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Organism
  Plantae
      Tracheophyta
             [Equisetophyta]
             [Pteridophyta]
        Polypodiophytina
            Polypodiopsida
                   [Cyatheopsida]
                   [Equisetopsida]
                   [Filicopsida]
                   [Gleicheniopsida]
                   [Hymenophyllopsida]
                   [Marattiopsida]
                   [Marsileopsida]
                   [Matoniopsida]
                   [Osmundopsida]
                   [Psilotopsida]
                   [Pteridopsida]
                   [Salviniopsida]
                   [Sphenopsida]
              Polypodiidae
                     [Dennstaedtiidae]
                     [Marsileidae]
                     [Plagiogyriidae]
                     [Pterididae]
                    Polypodiales
                           [Aspleniales]
                           [Athyriales]
                           [Blechnales]
                           [Dennstaedtiales]
                           [Filicales]
                           [Lindsaeales]
                           [Lonchitidales]
                           [Monachosorales]
                           [Negripteridales]
                           [Parkeriales]
                           [Platyzomatales]
                           [Pteridales]
                           [Saccolomatales]
                           [Thelypteridales]
                      Pteridineae
                            Pteridaceae
                                   [Acrostichaceae]
                                   [Actiniopteridaceae]
                                   [Adiantaceae]
                                   [Antrophyaceae]
                                   [Ceratopteridaceae]
                                   [Cheilanthaceae]
                                   [Cryptogrammaceae]
                                   [Hemionitidaceae]
                                   [Negripteridaceae]
                                   [Platyzomataceae]
                                   [Taenitidaceae]
                                   [Vittariaceae]
                              Cheilanthoideae
                                     Adiantopsis
                                             Adiantopsis alata
                                             Adiantopsis asplenioides
                                             Adiantopsis aurea
                                             Adiantopsis australopedata
                                             Adiantopsis cheilanthoides
                                                   [Hemionitis cheilanthoides]
                                             Adiantopsis chlorophylla
                                                   [Adiantopsis chlorophylla f. siccanea]
                                                   [Adiantopsis chlorophylla var. contracta]
                                                   [Adiantopsis spectabilis]
                                                   [Aspidium coniifolium]
                                                   [Cheilanthes brasiliensis]
                                                   [Cheilanthes chlorophylla]
                                                   [Cheilanthes spectabilis]
                                                   [Hemionitis chlorophylla]
                                                   [Hypolepis coniifolia]
                                                   [Hypolepis spectabilis]
                                             Adiantopsis crinoidea
                                                   [Hemionitis crinoidea]
                                             Adiantopsis dactylifera
                                                   [Hemionitis dactylifera]
                                             Adiantopsis dichotoma
                                                   [Adiantum dichotomum]
                                                   [Cheilanthes dichotoma]
                                                   [Cheilanthes flexuosissima]
                                                   [Hemionitis dichotoma]
                                                   [Pellaea dichotoma]
                                             Adiantopsis flexuosa
                                                   [Hemionitis flexuosa]
                                             Adiantopsis hickeyi
                                                   [Hemionitis hickeyi]
                                             Adiantopsis lindigii
                                                   [Cheilanthes lindigii]
                                                   [Hemionitis lindigii]
                                             Adiantopsis luetzelburgii
                                                   [Hemionitis luetzelburgii]
                                             Adiantopsis minutula
                                                   [Hemionitis minutula]
                                             Adiantopsis monticola
                                                   [Cheilanthes monticola]
                                                   [Hemionitis monticola]
                                                   [Hypolepis gardneri]
                                                   [Hypolepis monticola]
                                             Adiantopsis occulta
                                                   [Adiantopsis chlorophylla f. paludosa]
                                                   [Hemionitis occulta]
                                             Adiantopsis orbignyana
                                                   [Cheilanthes orbignyana]
                                                   [Hemionitis orbignyana]
                                             Adiantopsis parvisegmenta
                                                   [Hemionitis parvisegmenta]
                                             Adiantopsis paupercula
                                                   [Adiantum pauperculum]
                                                   [Hypolepis paupercula]
                                             Adiantopsis pedata
                                                   [Adiantopsis elongata]
                                                   [Cheilanthes pedata]
                                                   [Hemionitis adiantopsis]
                                                   [Hypolepis pedata]
                                             Adiantopsis pentagona
                                                   [Hemionitis yorii]
                                             Adiantopsis perfasciculata
                                                   [Hemionitis perfasciculata]
                                             Adiantopsis radiata
                                                   [Adiantopsis propinqua]
                                                   [Adiantopsis radiata f. bifurcata]
                                                   [Adiantopsis ternata]
                                                   [Adiantum radiatum]
                                                   [Cheilanthes propinqua]
                                                   [Cheilanthes radiata]
                                                   [Hemionitis radiata]
                                                   [Hypolepis radiata]
                                             Adiantopsis recurvata
                                                   [Cheilanthes recurvata]
                                                   [Hemionitis recurvata]
                                             Adiantopsis reesii
                                                   [Cheilanthes reesii]
                                                   [Hemionitis reesii]
                                             Adiantopsis rupicola
                                                   [Hemionitis rupicola]
                                             Adiantopsis scalariformis
                                                   [Hemionitis scalariformis]
                                             Adiantopsis seemannii
                                                   [Cheilanthes seemannii]
                                             Adiantopsis senae
                                                   [Adiantum senae]
                                                   [Hemionitis senae]
                                             Adiantopsis timida
                                                   [Hemionitis timida]
                                             Adiantopsis trifurcata
                                                   [Cheilanthes trifurcata]
                                                   [Hemionitis trifurcata]
                                             Adiantopsis tweedieana
                                                   [Cheilanthes tweediana]
                                                   [Cheilanthes tweedieana]
                                                   [Hemionitis tweediana]
                                             Adiantopsis vincentii
                                                   [Hemionitis vincentii]
                                             Adiantopsis x australopedata
                                     Aleuritopteris
                                           [Leptolepidium]
                                           [Negripteris]
                                           [Sinopteris]
                                             Aleuritopteris agetae
                                                   [Cheilanthes agetae]
                                                   [Hemionitis agetae]
                                             Aleuritopteris albofusca
                                                   [Aleuritopteris mairei]
                                                   [Cheilanthes albofusca]
                                                   [Cheilanthes mairei]
                                                   [Hemionitis albofusca]
                                                   [Sinopteris albofusca]
                                                   [Sinopteris hopeiensis]
                                             Aleuritopteris albomarginata
                                                   [Aleuritopteris dalhousieae]
                                                   [Cheilanthes albomarginata]
                                                   [Cheilanthes dalhousiae]
                                                   [Cheilanthes farinosa var. albomarginata]
                                                   [Cheilanthes farinosa var. dalhousiae]
                                                   [Hemionitis albomarginata]
                                                   [Hemionitis dalhousiae]
                                                   [Leptolepidium dalhousiae]
                                             Aleuritopteris anceps
                                                   [Aleuritopteris calicicola]
                                                   [Aleuritopteris farinosa var. anceps]
                                                   [Aleuritopteris javanensis]
                                                   [Aleuritopteris pseudofarinosa var. glandulosa]
                                                   [Aleuritopteris pseudofarinosa]
                                                   [Aleuritopteris rigidula]
                                                   [Aleuritopteris wuyishanensis]
                                                   [Cheilanthes anceps]
                                                   [Cheilanthes farinosa var. anceps]
                                                   [Cheilanthes pseudofarinosa]
                                                   [Hemionitis anceps]
                                             Aleuritopteris argentea
                                                   [Aleuritopteris argentea var. flava]
                                                   [Aleuritopteris argentea var. geraniifolia]
                                                   [Aleuritopteris argentea var. major]
                                                   [Aleuritopteris flava]
                                                   [Aleuritopteris geraniifolia]
                                                   [Aleuritopteris michelii]
                                                   [Aleuritopteris qianguiensis]
                                                   [Allosorus argenteus]
                                                   [Cassebeera argentea]
                                                   [Cheilanthes argentea var. sulphurea]
                                                   [Cheilanthes argentea]
                                                   [Doryopteris argentea]
                                                   [Doryopteris michelii]
                                                   [Dryopteris argentea]
                                                   [Hemionitis amarganthica]
                                                   [Hemionitis michelii]
                                                   [Hemionitis qianguiensis]
                                               Aleuritopteris argentea var. argentea
                                               Aleuritopteris argentea var. obscura
                                                     [Aleuritopteris nuda]
                                                     [Aleuritopteris shensiensis]
                                                     [Cheilanthes argentea f. obscura]
                                                     [Cheilanthes argentea var. obscura]
                                                     [Hemionitis nuda]
                                                     [Hemionitis shensiensis]
                                             Aleuritopteris belensis
                                                   [Cheilanthes belensis]
                                                   [Hemionitis belensis]
                                             Aleuritopteris bicolor
                                                   [Aleuritopteris kathmanduensis]
                                                   [Ceropteris monosticha]
                                                   [Cheilanthes bicolor]
                                                   [Cheilanthes bullosa]
                                                   [Cheilanthes discolor]
                                                   [Cheilanthes farinosa var. tenera]
                                                   [Cheilanthes longipes]
                                                   [Cheilanthes pulveracea]
                                                   [Hemionitis bicolor]
                                                   [Pteris bicolor]
                                             Aleuritopteris bullosa
                                                   [Aleuritopteris flaccida]
                                                   [Aleuritopteris indica]
                                                   [Cheilanthes bullata]
                                                   [Cheilanthes farinosa var. bullosa]
                                                   [Cheilanthes farinosa var. flaccida]
                                                   [Cheilanthes flaccida]
                                                   [Hemionitis bullosa]
                                             Aleuritopteris chihuahuensis
                                             Aleuritopteris chrysophylla
                                                   [Aleuritopteris flavopygmaea]
                                                   [Aleuritopteris humatifolia]
                                                   [Cheilanthes argentea var. chrysophylla]
                                                   [Cheilanthes chrysophylla]
                                                   [Cheilanthes farinosa var. chrysophylla]
                                                   [Hemionitis chrysophylla]
                                             Aleuritopteris dealbata
                                                   [Aleuritopteris doniana]
                                                   [Aleuritopteris gymnocarpa]
                                                   [Aleuritopteris interrupta]
                                                   [Aleuritopteris sikkimensis]
                                                   [Allosorus dealbatus]
                                                   [Cheilanthes dealbata]
                                                   [Cheilanthes doniana]
                                                   [Cheilanthes farinosa var. dealbata]
                                                   [Hemionitis gymnocarpa]
                                             Aleuritopteris dubia
                                                   [Aleuritopteris humatoides]
                                                   [Aleuritopteris subrufa]
                                                   [Cheilanthes dubia]
                                                   [Cheilanthes leveillei]
                                                   [Cheilanthes subrufa]
                                                   [Cheilanthes wusukungii]
                                                   [Hemionitis dubia]
                                                   [Hemionitis humatoides]
                                             Aleuritopteris duclouxii
                                                   [Cheilanthes duclouxii]
                                                   [Doryopteris duclouxii]
                                                   [Doryopteris mairei]
                                                   [Doryopteris muralis]
                                                   [Hemionitis duclouxii]
                                               Aleuritopteris duclouxii var. duclouxii
                                             Aleuritopteris duthiei
                                                   [Cheilanthes duthiei]
                                                   [Hemionitis duthiei]
                                                   [Leptolepidium duthiei]
                                             Aleuritopteris ebenipes
                                                   [Hemionitis ebenipes]
                                             Aleuritopteris farinosa
                                                   [Aleuritopteris aethiopica]
                                                   [Aleuritopteris afra]
                                                   [Aleuritopteris argyrophylla]
                                                   [Aleuritopteris centroafricana]
                                                   [Aleuritopteris chihuahuaensis]
                                                   [Aleuritopteris decursiva]
                                                   [Aleuritopteris gigantea]
                                                   [Aleuritopteris leptophylla]
                                                   [Aleuritopteris longifrons]
                                                   [Aleuritopteris mexicana]
                                                   [Aleuritopteris peruviana]
                                                   [Aleuritopteris vandervekenii]
                                                   [Allosorus argyrophyllus]
                                                   [Cassebeera farinosa]
                                                   [Cheilanthes afromontana]
                                                   [Cheilanthes argyrophylla]
                                                   [Cheilanthes chihuahuaensis]
                                                   [Cheilanthes farinosa var. deltoidea]
                                                   [Cheilanthes farinosa]
                                                   [Hemionitis aethiopica]
                                                   [Hemionitis argyrophylla]
                                                   [Hemionitis chihuahuaensis]
                                                   [Hemionitis decursiva]
                                                   [Hemionitis farinosa]
                                                   [Hemionitis grandis]
                                                   [Hemionitis vandervekenii]
                                                   [Pellaea pulcherrima]
                                                   [Pteris argyrophylla]
                                                   [Pteris decursiva]
                                                   [Pteris farinosa]
                                             Aleuritopteris formosana
                                                   [Aleuritopteris grisea var. alpina]
                                                   [Aleuritopteris platychlamys var. alpina]
                                                   [Cheilanthes anceps var. brevifrondis]
                                                   [Cheilanthes anceps var. brevifrons]
                                                   [Cheilanthes brevifrons]
                                                   [Cheilanthes formosana]
                                                   [Hemionitis formosana]
                                                   [Hemionitis platychlamys]
                                             Aleuritopteris fraser-jenkinsii
                                                   [Cheilanthes fraser-jenkinsii]
                                             Aleuritopteris gongshanensis
                                             Aleuritopteris grevilleoides
                                                   [Cheilanthes grevilleoides]
                                                   [Hemionitis grevilleoides]
                                                   [Sinopteris grevilleoides]
                                             Aleuritopteris grisea
                                                   [Aleuritopteris farinosa var. grisea]
                                                   [Aleuritopteris major var. grisea]
                                                   [Aleuritopteris platychlamys]
                                                   [Cheilanthes farinosa f. minor]
                                                   [Cheilanthes farinosa var. grisea]
                                                   [Cheilanthes grisea]
                                                   [Cheilanthes platychlamys]
                                                   [Hemionitis grisea]
                                             Aleuritopteris krameri
                                                   [Cheilanthes krameri]
                                                   [Hemionitis krameri]
                                                   [Nephrodium krameri]
                                                   [Phegopteris krameri]
                                             Aleuritopteris leptolepis
                                                   [Cheilanthes leptolepidium]
                                                   [Cheilanthes leptolepis]
                                                   [Hemionitis leptolepis]
                                                   [Leptolepidium leptolepis]
                                             Aleuritopteris major
                                             Aleuritopteris niphobola
                                                   [Aleuritopteris niphobola var. concolor]
                                                   [Aleuritopteris niphobola var. pekingensis]
                                                   [Aleuritopteris pekingensis]
                                                   [Cheilanthes niphobola]
                                                   [Hemionitis niphobola]
                                             Aleuritopteris papuana
                                                   [Cheilanthes papuana]
                                                   [Hemionitis papuana]
                                             Aleuritopteris parishii
                                             Aleuritopteris pygmaea
                                                   [Hemionitis pygmaea]
                                             Aleuritopteris rosulata
                                                   [Cheilanthes rosulata]
                                                   [Hemionitis rosulata]
                                             Aleuritopteris rouxii
                                                   [Hemionitis rouxii]
                                             Aleuritopteris rufa
                                                   [Aleuritopteris intermedia]
                                                   [Cheilanthes rufa]
                                                   [Hemionitis gmorgana]
                                             Aleuritopteris siamensis
                                                   [Cheilanthes siamensis]
                                                   [Hemionitis siamensis]
                                             Aleuritopteris sichouensis
                                                   [Hemionitis sichouensis]
                                             Aleuritopteris speciosa
                                                   [Hemionitis speciosa]
                                             Aleuritopteris squamosa
                                                   [Cheilanthes hopeana]
                                                   [Doryopteris squamosa]
                                                   [Hemionitis hopeana]
                                                   [Hemionitis squamosa]
                                                   [Pellaea squamosa]
                                             Aleuritopteris stenochlamys
                                             Aleuritopteris subargentea
                                                   [Cheilanthes subargentea]
                                                   [Hemionitis subargentea]
                                             Aleuritopteris subdimorpha
                                                   [Aleuritopteris longipes]
                                                   [Aleuritopteris pentagona]
                                                   [Aleuritopteris pseudoargentea]
                                                   [Cheilanthes farinosa var. subdimorpha]
                                                   [Cheilanthes pseudoargentea]
                                                   [Cheilanthes subdimorpha]
                                                   [Hemionitis subdimorpha]
                                             Aleuritopteris tamburii
                                                   [Aleuritopteris punethae]
                                                   [Allosorus tamburii]
                                                   [Cheilanthes argentea var. tamburii]
                                                   [Cheilanthes tamburii]
                                                   [Doryopteris tamburii]
                                                   [Hemionitis tamburii]
                                                   [Pellaea tamburii]
                                               Aleuritopteris tamburii var. viridis
                                             Aleuritopteris veitchii
                                                   [Aleuritopteris cremea]
                                                   [Aleuritopteris likiangensis]
                                                   [Cheilanthes veitchii]
                                                   [Doryopteris veitchii]
                                                   [Hemionitis cremea]
                                                   [Hemionitis likiangensis]
                                                   [Hemionitis veitchii]
                                             Aleuritopteris vermae
                                                   [Cheilanthes vermae]
                                             Aleuritopteris welwitschii
                                                   [Cheilanthes mossambicensis]
                                                   [Cheilanthes welwitschii]
                                                   [Hemionitis welwitschii]
                                             Aleuritopteris wollenweberi
                                             Aleuritopteris x confundans
                                             Aleuritopteris x fraser-jenkinsii
                                             Aleuritopteris x gardneri
                                             Aleuritopteris x godavariensis
                                             Aleuritopteris x hamiltonii
                                             Aleuritopteris x khasiana
                                             Aleuritopteris x nepalensis
                                             Aleuritopteris x pangteyi
                                             Aleuritopteris x unicolor
                                             Aleuritopteris x vermae
                                             Aleuritopteris x wallichiana
                                             Aleuritopteris yalungensis
                                                   [Hemionitis yalungensis]
                                     Argyrochosma
                                             Argyrochosma bryopoda
                                                   [Cheilanthes bryopoda]
                                                   [Hemionitis bryopoda]
                                                   [Notholaena bryopoda]
                                             Argyrochosma chilensis
                                                   [Cincinalis chilensis]
                                                   [Hemionitis chilensis]
                                                   [Notholaena chilensis]
                                                   [Pellaea chilensis]
                                             Argyrochosma connectens
                                                   [Hemionitis connectens]
                                                   [Pellaea connectens]
                                             Argyrochosma dealbata
                                                   [Cincinalis dealbata]
                                                   [Hemionitis artax]
                                                   [Notholaena dealbata]
                                                   [Notholaena nivea var. dealbata]
                                                   [Notholaena pulchella]
                                                   [Pellaea dealbata]
                                             Argyrochosma delicatula
                                                   [Notholaena delicatula]
                                             Argyrochosma fendleri
                                                   [Cheilanthes cancellata]
                                                   [Cincinalis fendleri]
                                                   [Gymnogramma fendleri]
                                                   [Hemionitis engywookii]
                                                   [Hemionitis fendleri]
                                                   [Notholaena fendleri]
                                                   [Pellaea fendleri]
                                             Argyrochosma flava
                                             Argyrochosma formosa
                                                   [Allosorus formosus]
                                                   [Allosorus pulchellus]
                                                   [Cassebeera pulchella]
                                                   [Cheilanthes formosa]
                                                   [Cincinalis pulchella]
                                                   [Hemionitis formosa]
                                                   [Notholaena formosa]
                                                   [Pellaea formosa]
                                                   [Pellaea pulchella]
                                                   [Platyloma pulchellum]
                                             Argyrochosma incana
                                                   [Cheilanthes incana]
                                                   [Gymnogramma candida]
                                                   [Hemionitis incana]
                                                   [Notholaena incana]
                                                   [Pellaea candida]
                                             Argyrochosma jonesii
                                                   [Cheilanthes jonesii]
                                                   [Hemionitis jonesii]
                                                   [Notholaena jonesii]
                                                   [Pellaea jonesii]
                                             Argyrochosma limitanea
                                               Argyrochosma limitanea subsp. limitanea
                                                     [Cheilanthes limitanea]
                                                     [Hemionitis limitanea]
                                                     [Notholaena limitanea var. limitanea]
                                                     [Notholaena limitanea]
                                                     [Pellaea limitanea]
                                               Argyrochosma limitanea subsp. mexicana
                                                     [Cheilanthes limitanea var. mexicana]
                                                     [Notholaena limitanea subsp. mexicana]
                                                     [Notholaena limitanea var. mexicana]
                                                     [Pellaea limitanea var. mexicana]
                                             Argyrochosma lumholtzii
                                                   [Hemionitis lumholtzii]
                                                   [Notholaena lumholtzii]
                                             Argyrochosma microphylla
                                                   [Cheilanthes parvifolia]
                                                   [Hemionitis microphylla]
                                                   [Hemionitis vooshvazool]
                                                   [Notholaena parvifolia]
                                                   [Pellaea microphylla]
                                                   [Pellaea pulchella var. microphylla]
                                             Argyrochosma nivea
                                                   [Acrostichum albidulum]
                                                   [Acrostichum niveum]
                                                   [Acrostichum tereticaulon]
                                                   [Cincinalis nivea]
                                                   [Cincinalis tarapacana]
                                                   [Gymnogramma nivea]
                                                   [Hemionitis nivea]
                                                   [Notholaena albidula]
                                                   [Notholaena chrysophylla]
                                                   [Notholaena nivea var. nivea]
                                                   [Notholaena nivea]
                                                   [Pellaea nivea]
                                                   [Pteris nivea]
                                               Argyrochosma nivea var. flava
                                                     [Acrostichum flavens]
                                                     [Gymnogramma flavens]
                                                     [Notholaena flavens]
                                                     [Notholaena nivea var. flava]
                                                     [Pellaea flavens]
                                                     [Pellaea nivea f. flavens]
                                               Argyrochosma nivea var. nivea
                                               Argyrochosma nivea var. tenera
                                                     [Cincinalis tenera]
                                                     [Gymnogramma tenera]
                                                     [Notholaena nivea var. tenera]
                                                     [Notholaena tenera]
                                                     [Pellaea nivea f. tenera]
                                                     [Pellaea peruviana]
                                                     [Pellaea tenera]
                                             Argyrochosma pallens
                                                   [Hemionitis pallens]
                                                   [Notholaena pallens]
                                             Argyrochosma palmeri
                                                   [Hemionitis palmeri]
                                                   [Notholaena palmeri]
                                             Argyrochosma peninsularis
                                                   [Hemionitis cairon]
                                                   [Hemionitis peninsularis]
                                                   [Notholaena peninsularis]
                                             Argyrochosma pilifera
                                                   [Hemionitis pilifera]
                                                   [Notholaena pilifera]
                                             Argyrochosma stuebeliana
                                                   [Hemionitis stuebeliana]
                                                   [Notholaena stuebeliana]
                                                   [Pellaea dealbata var. stuebeliana]
                                             Argyrochosma tenera
                                     Aspidotis
                                             Aspidotis californica
                                                   [Adiantopsis californica]
                                                   [Cheilanthes amoena]
                                                   [Cheilanthes californica]
                                                   [Hemionitis californica]
                                                   [Hypolepis californica]
                                             Aspidotis carlotta-halliae
                                                   [Cheilanthes carlotta-halliae]
                                                   [Hemionitis carlottahalliae]
                                             Aspidotis densa
                                                   [Allosorus densus]
                                                   [Cheilanthes siliquosa]
                                                   [Cryptogramma crispa var. castanea]
                                                   [Cryptogramma densa]
                                                   [Hemionitis densa]
                                                   [Onychium densum]
                                                   [Pellaea densa]
                                             Aspidotis ex
                                             Aspidotis meifolia
                                                   [Cheilanthes meifolia]
                                                   [Hemionitis meifolia]
                                                   [Hypolepis meifolia]
                                             Aspidotis schimperi
                                                   [Adiantopsis schimperi]
                                                   [Cheilanthes schimperi]
                                                   [Hemionitis schimperi]
                                                   [Hypolepis schimperi]
                                     Astrolepis
                                             Astrolepis cochisensis
                                               Astrolepis cochisensis subsp. arizonica
                                               Astrolepis cochisensis subsp. chihuahuensis
                                               Astrolepis cochisensis subsp. cochisensis
                                                     [Cheilanthes cochisensis]
                                                     [Cheilanthes sinuata var. cochisensis]
                                                     [Hemionitis cochisensis]
                                                     [Notholaena cochisensis]
                                                     [Notholaena sinuata var. cochisensis]
                                             Astrolepis crassifolia
                                                   [Cheilanthes crassifolia]
                                                   [Hemionitis crassifolia]
                                                   [Notholaena crassifolia]
                                                   [Notholaena pruinosa]
                                                   [Notholaena sinuata var. pruinosa]
                                             Astrolepis deltoidea
                                                   [Notholaena deltoidea]
                                             Astrolepis integerrima
                                                   [Cheilanthes integerrima]
                                                   [Hemionitis integerrima]
                                                   [Notholaena integerrima]
                                                   [Notholaena sinuata var. integerrima]
                                             Astrolepis laevis
                                                   [Astrolepis beitelii]
                                                   [Cheilanthes beitelii]
                                                   [Hemionitis beitelii]
                                                   [Notholaena laevis]
                                                   [Notholaena sinuata subsp. madriensis]
                                                   [Notholaena sinuata var. integra]
                                             Astrolepis obscura
                                             Astrolepis sinuata
                                                   [Acrostichum sinuatum]
                                                   [Cheilanthes sinuata]
                                                   [Gymnogramma sinuata]
                                                   [Hemionitis sinuata]
                                                   [Notholaena chalcolepis]
                                                   [Notholaena sinuata f. pinnatifida]
                                                   [Notholaena sinuata var. crenata]
                                                   [Notholaena sinuata var. pinnatifida]
                                                   [Notholaena sinuata var. robusta]
                                                   [Notholaena sinuata]
                                                   [Notholaena tectaria]
                                               Astrolepis sinuata subsp. mexicana
                                               Astrolepis sinuata subsp. sinuata
                                                     [Notholaena sinuata var. sinuata]
                                             Astrolepis windhamii
                                                   [Hemionitis windhamii]
                                     Baja
                                             Baja brandegeei
                                                   [Bommeria brandegeei]
                                                   [Cheilanthes brandegeei]
                                                   [Hemionitis brandegeei]
                                     Bommeria
                                           [Gymnopteris]
                                             Bommeria ehrenbergiana
                                                   [Bommeria podophylla]
                                                   [Dictyogramme podophylla]
                                                   [Gymnogramma ehrenbergiana]
                                                   [Gymnogramma podophylla]
                                                   [Gymnopteris ehrenbergiana]
                                                   [Hemionitis ehrenbergiana]
                                                   [Hemionitis podophylla]
                                                   [Stegnogramma ehrenbergiana]
                                             Bommeria elegans
                                                   [Dictyogramme hederifolia]
                                                   [Hemionitis elegans]
                                                   [Hemionitis hederifolia]
                                             Bommeria hispida
                                                   [Bommeria schaffneri]
                                                   [Gymnogramma ehrenbergiana var. muralis]
                                                   [Gymnogramma hispida]
                                                   [Gymnopteris hispida]
                                                   [Hemionitis hispida]
                                                   [Neurogramma hispida]
                                             Bommeria pedata
                                                   [Gymnogramma pedata]
                                                   [Gymnopteris pedata]
                                                   [Hemionitis pedata]
                                                   [Neurogramma pedata]
                                             Bommeria subpaleacea
                                                   [Bommeria knoblochii]
                                                   [Hemionitis subpaleacea]
                                     Calciphilopteris
                                             Calciphilopteris alleniae
                                                   [Doryopteris alleniae]
                                                   [Hemionitis alleniae]
                                             Calciphilopteris ludens
                                                   [Doryopteris ludens]
                                                   [Hemionitis ludens]
                                                   [Litobrochia ludens]
                                                   [Litobrochia pedata]
                                                   [Litobrochia smithii]
                                                   [Pellaea ludens]
                                                   [Pteris ludens]
                                             Calciphilopteris papuana
                                                   [Doryopteris papuana]
                                             Calciphilopteris wallichii
                                                   [Doryopteris wallichii]
                                     Cheilanthes
                                           [Choristosoria]
                                           [Neurosoria]
                                             Cheilanthes adiantoides
                                                   [Hemionitis adiantoides]
                                             Cheilanthes angustifrondosa
                                                   [Hemionitis angustifrondosa]
                                             Cheilanthes arequipensis
                                                   [Hemionitis arequipensis]
                                                   [Notholaena arequipensis]
                                             Cheilanthes austrotenuifolia
                                                   [Hemionitis austrotenuifolia]
                                             Cheilanthes bergiana
                                                   [Cheilanthes elata]
                                                   [Cheilanthes streetiae]
                                                   [Hemionitis bergiana]
                                                   [Hypolepis bergiana]
                                                   [Hypolepis elata]
                                                   [Notholaena streetiae]
                                             Cheilanthes boivinii
                                                   [Hemionitis aiuolae]
                                             Cheilanthes bolborrhiza
                                                   [Hemionitis bolborrhiza]
                                             Cheilanthes bonapartei
                                                   [Adiantopsis linearis]
                                                   [Hemionitis bonapartei]
                                                   [Hemionitis linearis]
                                             Cheilanthes botswanae
                                                   [Hemionitis botswanae]
                                             Cheilanthes brownii
                                                   [Gymnogramma brownii]
                                                   [Hemionitis brownii]
                                                   [Notholaena brownii]
                                             Cheilanthes buchananii
                                                   [Cheilanthes inaequalis var. buchananii]
                                                   [Notholaena buchananii]
                                             Cheilanthes canescens
                                                   [Cheilanthes lasiophylla]
                                                   [Notholaena lasiopteris]
                                             Cheilanthes capensis
                                                   [Adiantopsis capensis]
                                                   [Adiantum capense]
                                                   [Cheilanthes praetexta]
                                                   [Hemionitis capensis]
                                                   [Hypolepis capensis]
                                                   [Pteris capensis]
                                                   [Pteris lanuginosa var. capensis]
                                             Cheilanthes caudata
                                                   [Cheilanthes caudata var. yunnanensis]
                                                   [Cheilanthes pinnatifida]
                                                   [Cheilanthes tenuifolia subsp. caudata]
                                                   [Cheilanthes tenuifolia var. diversiloba]
                                                   [Dicksonia caudata]
                                                   [Hemionitis caudata]
                                             Cheilanthes ceterachoides
                                                   [Hemionitis ceterachoides]
                                             Cheilanthes contracta
                                                   [Cheilanthes bojeri]
                                                   [Cheilanthes hirta var. contracta]
                                                   [Hemionitis contracta]
                                                   [Myriopteris contracta]
                                                   [Pellaea bojeri]
                                             Cheilanthes crispa
                                             Cheilanthes deboeri
                                                   [Hemionitis deboeri]
                                             Cheilanthes deltoidea
                                               Cheilanthes deltoidea subsp. deltoidea
                                                     [Allosorus deltoideus]
                                                     [Doryopteris deltoidea var. laxa]
                                                     [Doryopteris deltoidea]
                                                     [Hemionitis deltoidea]
                                                     [Pellaea deltoidea]
                                               Cheilanthes deltoidea subsp. silicicola
                                             Cheilanthes depauperata
                                                   [Hemionitis depauperata]
                                             Cheilanthes dinteri
                                                   [Hemionitis dinteri]
                                             Cheilanthes distans
                                                   [Acrostichum distans]
                                                   [Cheilanthes interrupta]
                                                   [Hemionitis distans]
                                                   [Notholaena distans]
                                                   [Notholaena interrupta]
                                                   [Notholaena pumila]
                                             Cheilanthes dolomiticola
                                                   [Hemionitis dolomiticola]
                                                   [Pellaea dolomiticola]
                                             Cheilanthes eckloniana
                                                   [Hemionitis eckloniana]
                                                   [Notholaena eckloniana]
                                                   [Notholaena krebsiana]
                                             Cheilanthes ecuadorensis
                                             Cheilanthes erythraea
                                                   [Hemionitis erythraea]
                                             Cheilanthes fractifera
                                                   [Cheilanthes saundersii]
                                                   [Hemionitis fractifera]
                                             Cheilanthes fragillima
                                                   [Hemionitis fragillima]
                                                   [Notholaena fragilis]
                                             Cheilanthes glutinosa
                                                   [Hemionitis glutinosa]
                                             Cheilanthes hastata
                                                   [Adiantum auriculatum]
                                                   [Adiantum hastatum]
                                                   [Allosorus auriculatus]
                                                   [Allosorus hastatus]
                                                   [Cassebeera auriculata]
                                                   [Cassebeera hastata]
                                                   [Cheilanthes auriculata]
                                                   [Cheilanthes hastifolia]
                                                   [Pellaea auriculata]
                                                   [Pellaea hastata var. reticulata]
                                                   [Pellaea lancifolia]
                                                   [Platyloma hastatum]
                                                   [Pteris auriculata]
                                                   [Pteris varia]
                                             Cheilanthes hirta
                                                   [Cheilanthes hirta var. intermedia]
                                                   [Cheilanthes olivacea]
                                                   [Hemionitis hirta]
                                                   [Myriopteris hirta]
                                                   [Notholaena capensis]
                                                   [Notholaena hirta]
                                               Cheilanthes hirta f. laxa
                                                     [Cheilanthes hirta var. laxa]
                                               Cheilanthes hirta f. waterbergensis
                                               Cheilanthes hirta var. brevipilosa
                                               Cheilanthes hirta var. hirta
                                               Cheilanthes hirta var. hyaloglandulosa
                                                     [Cheilanthes hyaloglandulosa]
                                               Cheilanthes hirta var. inferacampestris
                                               Cheilanthes hirta var. nemorosa
                                               Cheilanthes hirta var. watermeyeri
                                             Cheilanthes inaequalis
                                                   [Cheilanthes tricholepis]
                                                   [Hemionitis inaequalis]
                                                   [Notholaena inaequalis var. angolensis]
                                                   [Notholaena inaequalis]
                                                   [Notholaena tricholepis]
                                               Cheilanthes inaequalis var. inaequalis
                                             Cheilanthes incisa
                                                   [Adiantopsis incisa]
                                                   [Cystopteris leptophylla]
                                                   [Hemionitis xayide]
                                                   [Hypolepis incisa]
                                                   [Hypolepis leptophylla]
                                                   [Hypolepis serrata]
                                             Cheilanthes induta
                                                   [Hemionitis induta]
                                                   [Myriopteris induta]
                                             Cheilanthes involuta
                                                   [Allosorus involutus]
                                                   [Cheilanthes cornuta]
                                                   [Pellaea involuta]
                                                   [Pellaea viridis var. involuta]
                                                   [Pteridella involuta var. tripinnatisecta]
                                                   [Pteridella involuta]
                                                   [Pteris involuta]
                                               Cheilanthes involuta var. involuta
                                               Cheilanthes involuta var. obscura
                                                     [Cheilanthes viridis var. obscura]
                                                     [Pellaea involuta var. obscura]
                                                     [Pellaea viridis var. obscura]
                                             Cheilanthes juergensii
                                                   [Cheilanthes juergensii var. thellungii]
                                                   [Cheilanthes thellungii]
                                                   [Hemionitis thellungii]
                                             Cheilanthes kunzei
                                                   [Cheilanthes distans var. profusa]
                                                   [Cheilanthes profusa var. minor]
                                                   [Cheilanthes profusa]
                                                   [Cheilosoria kunzei]
                                                   [Hemionitis kunzei]
                                                   [Notholaena profusa]
                                                   [Pellaea profusa]
                                             Cheilanthes laciniata
                                                   [Hemionitis laciniata]
                                             Cheilanthes leachii
                                                   [Hemionitis leachii]
                                                   [Notholaena leachii]
                                             Cheilanthes leonardii
                                                   [Hemionitis leonardii]
                                                   [Mildella leonardii]
                                             Cheilanthes leucopoda
                                                   [Hemionitis leucopoda]
                                             Cheilanthes lozanoi
                                                   [Hemionitis lozanoi]
                                                   [Pellaea lozanoi]
                                               Cheilanthes lozanoi var. lozanoi
                                               Cheilanthes lozanoi var. seemannii
                                                     [Allosorus seemannii]
                                                     [Cassebeera seemannii]
                                                     [Pellaea seemannii]
                                             Cheilanthes macleanii
                                                   [Allosorus pilosus]
                                                   [Cheilanthes andina]
                                                   [Cheilanthes meyeniana]
                                                   [Cheilanthes pilosa]
                                                   [Cheilanthes valdiviana]
                                                   [Hemionitis graograman]
                                                   [Hemionitis valdiviana]
                                                   [Myriopteris macleanii]
                                             Cheilanthes madagascariensis
                                                   [Adiantopsis madagascariensis]
                                                   [Cheilanthes horizontalipinnata]
                                                   [Hemionitis madagascariensis]
                                             Cheilanthes marlothii
                                                   [Hemionitis marlothii]
                                                   [Notholaena marlothii]
                                             Cheilanthes mathewsii
                                                   [Allosorus pruinatus]
                                                   [Cheilanthes fasciculata]
                                                   [Cheilanthes pruinata]
                                                   [Hemionitis pruinata]
                                                   [Notholaena matthewsii]
                                             Cheilanthes microphylla
                                               Cheilanthes microphylla var. microphylla
                                             Cheilanthes micropteris
                                                   [Adiantum micropteris]
                                                   [Hemionitis micropteris]
                                                   [Notholaena micropteris]
                                             Cheilanthes muelleri
                                                   [Grammitis muelleri]
                                                   [Gymnogramma muelleri]
                                                   [Gymnopteris muelleri]
                                                   [Hemionitis hynreckii]
                                                   [Hemionitis muelleri]
                                                   [Neurogramma muelleri]
                                                   [Notholaena muelleri]
                                                   [Paraceterach muelleri]
                                             Cheilanthes multifida
                                               Cheilanthes multifida subsp. lacerata
                                               Cheilanthes multifida subsp. multifida
                                                     [Adiantum globatum]
                                                     [Adiantum multifidum]
                                                     [Cheilanthes bolusii]
                                                     [Cheilanthes multifida var. flexa]
                                                     [Hemionitis multifida]
                                                     [Polypodium dicksonifolium]
                                               Cheilanthes multifida var. multifida
                                             Cheilanthes namaquensis
                                                   [Allosorus namaquensis]
                                                   [Hemionitis namaquensis]
                                                   [Pellaea namaquensis]
                                             Cheilanthes neallyi
                                             Cheilanthes nielsii
                                                   [Hemionitis nielsii]
                                             Cheilanthes nitida
                                                   [Allosorus nitidus]
                                                   [Cheilanthes caudata var. tenuissima]
                                                   [Cheilanthes tenuifolia var. tenuissima]
                                                   [Cheilanthes tenuissima]
                                                   [Hemionitis nitida]
                                                   [Neurosoria pteroides]
                                                   [Pellaea nitida]
                                                   [Phorolobus pteroides]
                                             Cheilanthes pantanalensis
                                                   [Hemionitis pantanalensis]
                                             Cheilanthes parviloba
                                                   [Adiantum parvilobum]
                                                   [Cheilanthes hirta var. parviloba]
                                                   [Hemionitis parviloba]
                                             Cheilanthes pentagona
                                             Cheilanthes perlanata
                                                   [Hemionitis perlanata]
                                                   [Notholaena perlanata]
                                               Cheilanthes perlanata var. kwatebalaensis
                                             Cheilanthes perrieri
                                                   [Cheilanthes lanceolata]
                                                   [Hemionitis perrieri]
                                                   [Notholaena lanceolata var. madagascarica]
                                                   [Notholaena lanceolata]
                                                   [Notholaena madagascarica]
                                             Cheilanthes peruviana
                                                   [Hemionitis peruviana]
                                                   [Notholaena brackenridgei]
                                                   [Notholaena peruviana]
                                                   [Notholaena sinuata var. bipinnata]
                                             Cheilanthes poeppigiana
                                                   [Cheilanthes cartilaginea]
                                                   [Hemionitis poeppigiana]
                                             Cheilanthes praetermissa
                                                   [Hemionitis praetermissa]
                                             Cheilanthes prenticei
                                                   [Hemionitis prenticei]
                                                   [Notholaena prenticei]
                                             Cheilanthes pteridiodes
                                             Cheilanthes pumilio
                                                   [Cheilanthes cavernicola]
                                                   [Cheilanthes dunlopii]
                                                   [Cheilanthes paucijuga]
                                                   [Hemionitis pumilio]
                                                   [Notholaena pumilio]
                                             Cheilanthes quadripinnata
                                                   [Allosorus consobrinus]
                                                   [Allosorus quadripinnatus]
                                                   [Cheilanthes atherstonei]
                                                   [Cheilanthes firma]
                                                   [Cheilanthes linearis]
                                                   [Cheilanthes triangula]
                                                   [Hemionitis quadripinnata]
                                                   [Pellaea consobrina]
                                                   [Pellaea contracta]
                                                   [Pellaea quadripinnata]
                                                   [Pteridella quadripinnata]
                                                   [Pteris consobrina]
                                                   [Pteris quadripinnata]
                                             Cheilanthes reynoldsii
                                                   [Grammitis reynoldsii]
                                                   [Gymnopteris reynoldsii]
                                                   [Hemionitis reynoldsii]
                                                   [Neurogramma reynoldsii]
                                                   [Notholaena reynoldsii]
                                                   [Paraceterach reynoldsii]
                                             Cheilanthes robusta
                                                   [Allosorus robustus]
                                                   [Cryptogramma robusta]
                                                   [Doryopteris robusta]
                                                   [Hemionitis robusta]
                                                   [Onychium robustum]
                                                   [Pellaea robusta]
                                             Cheilanthes rufopunctata
                                                   [Hemionitis rufopunctata]
                                             Cheilanthes sarmientoi
                                                   [Hemionitis sarmientoi]
                                             Cheilanthes scioana
                                                   [Aleuritopteris scioana]
                                                   [Cheilanthes tricholepifera]
                                                   [Hemionitis scioana]
                                                   [Hemionitis tricholepifera]
                                                   [Mohria scioana]
                                                   [Negripteris scioana]
                                                   [Negripteris tricholepifera]
                                             Cheilanthes sensu
                                             Cheilanthes sieberi
                                               Cheilanthes sieberi subsp. pseudovellea
                                                     [Cheilanthes pseudovellea]
                                               Cheilanthes sieberi subsp. sieberi
                                                     [Cheilanthes erecta]
                                                     [Cheilanthes preissiana]
                                                     [Cheilanthes tenuifolia f. gracilior]
                                                     [Cheilanthes tenuifolia subsp. sieberi]
                                                     [Cheilanthes tenuifolia var. sieberi]
                                                     [Hemionitis sieberi]
                                             Cheilanthes similis
                                                   [Hemionitis similis]
                                             Cheilanthes skinneri
                                                   [Allosorus fournieri]
                                                   [Allosorus skinneri]
                                                   [Doryopteris fournieri]
                                                   [Doryopteris skinneri]
                                                   [Hemionitis skinneri]
                                                   [Pellaea flavescens var. macahensis]
                                                   [Pellaea flavescens]
                                                   [Pellaea fournieri]
                                                   [Pellaea skinneri]
                                             Cheilanthes volcanensis
                                                   [Hemionitis volcanensis]
                                             Cheilanthes × gryphus
                                                   [Hemionanthes gryphus]
                                     Cheiloplecton
                                             Cheiloplecton rigidum
                                                   [Allosorus cartilagineus]
                                                   [Allosorus rigidus]
                                                   [Cheilanthes rigida]
                                                   [Doryopteris rigida]
                                                   [Hemionitis cheiloplecton]
                                                   [Pellaea rigida]
                                                   [Pteris acutangula]
                                                   [Pteris cartilaginea]
                                                   [Pteris rigida]
                                               Cheiloplecton rigidum var. lanceolatum
                                               Cheiloplecton rigidum var. rigidum
                                     Doryopteris
                                           [Bakeropteris]
                                           [Cassebeera]
                                           [Heteropteris]
                                           [Tryonella]
                                             Doryopteris adornata
                                                   [Hemionitis adornata]
                                             Doryopteris angelica
                                                   [Hemionitis angelica]
                                             Doryopteris angustata
                                                   [Hemionitis angustata]
                                             Doryopteris apparicioi
                                                   [Hemionitis apparicioi]
                                             Doryopteris campos-portoi
                                                   [Hemionitis camposportoi]
                                             Doryopteris collina
                                                   [Doryopteris alcicornis var. major]
                                                   [Doryopteris euchlora]
                                                   [Hemionitis collina]
                                                   [Pellaea collina]
                                                   [Pteris collina]
                                                   [Pteris pedata var. collina]
                                             Doryopteris concolor
                                                   [Allosorus concolor]
                                                   [Cheilanthes concolor]
                                                   [Doryopteris baturitensis]
                                                   [Hemionitis baturitensis]
                                                   [Hemionitis concolor]
                                                   [Pellaea concolor]
                                                   [Pellaea palmescens]
                                                   [Pteris brownii]
                                                   [Pteris concolor]
                                                   [Pteris mysurensis]
                                                   [Pteris pohliana]
                                               Doryopteris concolor var. concolor
                                             Doryopteris conformis
                                                   [Hemionitis conformis]
                                             Doryopteris cordifolia
                                                   [Hemionitis goabica]
                                                   [Litobrochia cordifolia]
                                                   [Pteris cordifolia]
                                             Doryopteris crispatula
                                                   [Allosorus crispatulus]
                                                   [Hemionitis crispatula]
                                                   [Pellaea crispatula]
                                                   [Tryonella crispatula]
                                             Doryopteris cyclophylla
                                                   [Hemionitis cyclophylla]
                                             Doryopteris davidsei
                                                   [Hemionitis davidsei]
                                             Doryopteris decipiens
                                                   [Doryopteris decora var. decipiens]
                                                   [Hemionitis decipiens]
                                                   [Litobrochia beecheyana]
                                                   [Litobrochia decipiens]
                                                   [Pteris beecheyana]
                                                   [Pteris decipiens]
                                             Doryopteris decora
                                                   [Cheilanthes decora]
                                                   [Doryopteris tryonii]
                                                   [Hemionitis decora]
                                                   [Litobrochia decora]
                                                   [Pteris decora]
                                             Doryopteris humbertii
                                                   [Hemionitis humbertii]
                                             Doryopteris hybrida
                                                   [Hemionitis hybrida]
                                             Doryopteris jequitinhonhensis
                                                   [Hemionitis jequitinhonhensis]
                                             Doryopteris kirkii
                                                   [Cheilanthes concolor var. kirkii]
                                                   [Cheilanthes kirkii]
                                                   [Doryopteris concolor var. kirkii]
                                                   [Doryopteris concolor var. nicklesii]
                                                   [Doryopteris cuspidata]
                                                   [Doryopteris geraniifolia]
                                                   [Doryopteris nicklesii]
                                                   [Hemionitis cuspidata]
                                                   [Platyloma geraniifolia]
                                                   [Pteris cheilanthoides]
                                                   [Pteris geraniifolia]
                                             Doryopteris kitchingii
                                                   [Allosorus kitchingii]
                                                   [Hemionitis kitchingii]
                                                   [Pellaea kitchingii]
                                             Doryopteris latiloba
                                                   [Hemionitis latiloba]
                                             Doryopteris leitei
                                                   [Doryopteris rivalis]
                                                   [Hemionitis rivalis]
                                             Doryopteris lonchophora
                                                   [Hemionitis lonchophora]
                                                   [Heteropteris doryopteris]
                                                   [Litobrochia lonchophora]
                                                   [Pellaea lonchophora]
                                                   [Pteris lonchophora]
                                                   [Tryonella lonchophora]
                                             Doryopteris lorentzii
                                                   [Doryopteris juergensii]
                                                   [Doryopteris lorentzii f. juergensii]
                                                   [Doryopteris pedata var. lorentzii]
                                                   [Hemionitis lorentzii]
                                                   [Pellaea lorentzii]
                                             Doryopteris madagascariensis
                                                   [Hemionitis tenrecorum]
                                             Doryopteris majestosa
                                                   [Hemionitis majestosa]
                                             Doryopteris nobilis
                                                   [Doryopteris arifolia]
                                                   [Doryopteris elegans]
                                                   [Doryopteris huberi]
                                                   [Doryopteris palmata var. elegans]
                                                   [Doryopteris pedata var. huberi]
                                                   [Hemionitis nobilis]
                                                   [Litobrochia nobilis]
                                             Doryopteris palmata
                                                   [Doryopteris mayoris]
                                                   [Doryopteris pedata subsp. palmata]
                                                   [Doryopteris pedata var. palmata]
                                                   [Hemionitis achariorum]
                                                   [Litobrochia palmata]
                                                   [Pteris pedata var. gemmipara]
                                                   [Pteris pedata var. palmata]
                                             Doryopteris patula
                                                   [Doryopteris palmata var. patula]
                                                   [Doryopteris patula var. latesinuata]
                                                   [Doryopteris raddiana var. patula]
                                             Doryopteris pedata
                                                   [Cassebeera pedata]
                                                   [Hemionitis doryopteris]
                                                   [Pellaea pedata]
                                                   [Pteris chamaedryfolia]
                                                   [Pteris polytoma]
                                             Doryopteris pedatoides
                                                   [Hemionitis pedatoides]
                                                   [Pellaea geraniifolia]
                                                   [Pteris pedatoides]
                                             Doryopteris pentagona
                                                   [Hemionitis querquobadii]
                                             Doryopteris pilosa
                                                   [Cheilanthes heterophylla]
                                                   [Cheilanthes polymorpha]
                                                   [Hemionitis pedatifida]
                                                   [Hemionitis pilosa]
                                                   [Pellaea hirtula]
                                                   [Pellaea pilosa]
                                                   [Pteris pilosa]
                                               Doryopteris pilosa var. gemmifera
                                               Doryopteris pilosa var. pilosa
                                             Doryopteris raddiana
                                                   [Doryopteris multipartita]
                                                   [Doryopteris pedata var. multipartita]
                                                   [Doryopteris raddiana var. multipartita]
                                                   [Hemionitis multipartita]
                                                   [Hemionitis raddiana]
                                                   [Litobrochia raddiana]
                                                   [Pellaea raddiana]
                                                   [Pteris pedata var. raddiana]
                                             Doryopteris rediviva
                                                   [Doryopteris angularis]
                                                   [Doryopteris varians var. angularis]
                                                   [Doryopteris varians var. rediviva]
                                                   [Hemionitis rediviva]
                                                   [Pteris palmata var. lata]
                                             Doryopteris sagittifolia
                                                   [Doryopteris hastata]
                                                   [Hemionitis sagittifolia]
                                                   [Litobrochia hastata]
                                                   [Litobrochia sagittifolia]
                                                   [Pellaea sagittifolia]
                                                   [Pteris alcyonis]
                                                   [Pteris sagittifolia var. hastata]
                                                   [Pteris sagittifolia var. sagittata]
                                                   [Pteris sagittifolia]
                                             Doryopteris scalaris
                                                   [Doryopteris lorentzii f. interrupta]
                                             Doryopteris stieri
                                             Doryopteris stierii
                                                   [Doryopteris stierii f. riparia]
                                                   [Hemionitis stieri]
                                             Doryopteris subdecipiens
                                                   [Doryopteris decipiens × Doryopteris decora]
                                             Doryopteris surinamensis
                                                   [Hemionitis surinamensis]
                                             Doryopteris takeuchii
                                                   [Cheilanthes takeuchii]
                                                   [Hemionitis takeuchii]
                                             Doryopteris trilobata
                                                   [Hemionitis trilobata]
                                             Doryopteris triphylla
                                                   [Adiantum triphyllum]
                                                   [Bakeropteris triphylla]
                                                   [Cassebeera pedatifida]
                                                   [Cassebeera triphylla]
                                                   [Doryopteris pedatifida]
                                                   [Doryopteris triphylla var. pedatifida]
                                                   [Hemionitis sikanda]
                                                   [Hemionitis triphylla]
                                                   [Pellaea triphylla]
                                             Doryopteris varians
                                                   [Doryopteris branneri]
                                                   [Doryopteris hederacea]
                                                   [Hemionitis branneri]
                                                   [Hemionitis varians]
                                                   [Litobrochia hederacea]
                                                   [Pellaea hederacea]
                                                   [Pteris hederacea]
                                                   [Pteris pedata var. hederacea]
                                               Doryopteris varians var. varians
                                             Doryopteris x excisa
                                             Doryopteris x hybrida
                                             Doryopteris x intermedia
                                             Doryopteris x procera
                                             Doryopteris x scalaris
                                             Doryopteris x subdecipiens
                                     Gaga
                                             Gaga angustifolia
                                                   [Allosorus angustifolius var. minor]
                                                   [Allosorus angustifolius var. minus]
                                                   [Allosorus angustifolius]
                                                   [Cheilanthes angustifolia var. cuneata]
                                                   [Cheilanthes angustifolia]
                                                   [Cheilanthes venusta var. aurata]
                                                   [Cheilanthes venusta]
                                                   [Hemionitis angustifolia]
                                                   [Onychium angustifolium]
                                                   [Pellaea angustifolia]
                                             Gaga apiacea
                                                   [Cheilanthes apiacea]
                                                   [Hemionitis apiacea]
                                             Gaga arizonica
                                                   [Cheilanthes arizonica]
                                                   [Cheilanthes hirsuta var. arizonica]
                                                   [Cheilanthes lerstenii]
                                                   [Cheilanthes pyramidalis subsp. arizonica]
                                                   [Cheilanthes pyramidalis var. arizonica]
                                                   [Gaga lerstenii]
                                                   [Hemionitis arizonica]
                                                   [Hemionitis lerstenii]
                                             Gaga chaerophylla
                                                   [Allosorus chaerophyllus]
                                                   [Cheilanthes chaerophylla]
                                                   [Hemionitis gaga]
                                                   [Onychium chaerophyllum]
                                             Gaga complanata
                                                   [Cheilanthes complanata var. interrupta]
                                                   [Cheilanthes complanata]
                                                   [Hemionitis complanata]
                                             Gaga cuneata
                                                   [Allosorus cuneatus]
                                                   [Cassebeera cuneata]
                                                   [Cheilanthes cuneata]
                                                   [Hemionitis cuneata]
                                                   [Pellaea angustifolia var. cuneata]
                                             Gaga decomposita
                                                   [Allosorus decompositus]
                                                   [Cheilanthes decomposita]
                                                   [Hemionitis decomposita]
                                                   [Pellaea decomposita]
                                             Gaga decurrens
                                                   [Cheilanthes decurrens]
                                                   [Hemionitis decurrens]
                                             Gaga germanotta
                                                   [Hemionitis germanotta]
                                             Gaga harrisii
                                                   [Cheilanthes harrisii]
                                                   [Hemionitis harrisii]
                                             Gaga hintoniorum
                                                   [Cheilanthes hintoniorum]
                                                   [Hemionitis hintoniorum]
                                             Gaga hirsuta
                                                   [Cheilanthes crenulata]
                                                   [Cheilanthes hirsuta]
                                                   [Cheilanthes pyramidalis var. pyramidalis]
                                                   [Cheilanthes pyramidalis]
                                                   [Cheilanthes rufescens]
                                                   [Cheilanthes spiculata]
                                                   [Hemionitis hirsuta]
                                                   [Hemionitis spiculata]
                                                   [Pellaea angustifolia var. elongata]
                                                   [Pellaea marginata var. pyramidalis]
                                                   [Pellaea pyramidalis]
                                             Gaga kaulfussii
                                                   [Cheilanthes kaulfussii]
                                                   [Hemionitis kaulfussii]
                                             Gaga marginata
                                                   [Allosorus ciliatus var. laxus]
                                                   [Allosorus ciliatus var. minor]
                                                   [Allosorus ciliatus]
                                                   [Allosorus marginatus var. brevilobus]
                                                   [Allosorus marginatus]
                                                   [Cassebeera marginata]
                                                   [Cheilanthes caespitosa]
                                                   [Cheilanthes chaerophylloides]
                                                   [Cheilanthes ciliata]
                                                   [Cheilanthes marginata var. ovalis]
                                                   [Cheilanthes marginata var. reflexa]
                                                   [Cheilanthes marginata]
                                                   [Hemionitis marginata]
                                                   [Pellaea cuneata]
                                                   [Pellaea marginata]
                                             Gaga membranacea
                                                   [Cheilanthes membranacea]
                                                   [Cheilanthes selinoides]
                                                   [Hemionitis membranacea]
                                                   [Hemionitis selinoides]
                                                   [Pellaea membranacea]
                                             Gaga monstraparva
                                                   [Hemionitis monstraparva]
                                             Gaga pellaeopsis
                                                   [Cheilanthes pellaeopsis]
                                                   [Hemionitis pellaeopsis]
                                             Gaga purpusii
                                                   [Cheilanthes purpusii]
                                                   [Hemionitis purpusii]
                                     Hemionitis
                                           [Dictyogramme]
                                           [Gymnogramma]
                                           [Gymnogramme]
                                           [Gymnopteris]
                                           [Neurogramma]
                                           [Schizogramma]
                                             Hemionitis levyi
                                                   [Hemionitis otonis]
                                             Hemionitis palmata
                                                   [Gymnogramma palmata]
                                             Hemionitis pinnatifida
                                                   [Dictyogramme pinnatifida]
                                                   [Gymnogramma pinnatifida]
                                             Hemionitis rufa
                                                   [Acrostichum rufum]
                                                   [Gymnogramma acuminatum]
                                                   [Gymnogramma rufa]
                                                   [Gymnopteris rufa]
                                                   [Neurogramma rufa]
                                                   [Pteris ruffa]
                                             Hemionitis smithii
                                                   [Dictyogramme smithii]
                                                   [Hemionitis pinnata]
                                             Hemionitis subcordata
                                                   [Cheilanthes subcordata]
                                                   [Coniogramme americana]
                                                   [Gymnogramma subcordata]
                                                   [Gymnopteris subcordata]
                                             Hemionitis tomentosa
                                                   [Asplenium tomentosum]
                                                   [Ceterach barbatum]
                                                   [Ceterach lobatum]
                                                   [Gymnogramma tomentosa]
                                                   [Gymnopteris tomentosa]
                                                   [Hemionitis asplenioides]
                                                   [Hemionitis humilis]
                                                   [Hemionitis triloba]
                                                   [Neurogramma tomentosa]
                                             Hemionitis x smithii
                                             † Hemionitis gardneri
                                     Lytoneuron
                                             Lytoneuron acutilobum
                                                   [Doryopteris acutiloba]
                                                   [Hemionitis acutiloba]
                                                   [Pellaea acutiloba]
                                             Lytoneuron bradei
                                             Lytoneuron crenulans
                                                   [Doryopteris crenulans]
                                                   [Hemionitis crenulans]
                                                   [Pellaea crenulans]
                                                   [Pteris lomariacea var. actinophylla]
                                             Lytoneuron feei
                                                   [Doryopteris feei]
                                                   [Hemionitis falkor]
                                                   [Hemionitis feei]
                                             Lytoneuron itatiaiense
                                                   [Doryopteris itatiaiensis]
                                                   [Doryopteris lomariacea var. itatiaiensis]
                                                   [Hemionitis itatiaiensis]
                                                   [Pellaea itatiaiensis]
                                                   [Pellaea lomariacea var. itatiaiensis]
                                                   [Pteris itatiaiensis]
                                             Lytoneuron lomariaceum
                                                   [Allosorus lomariaceus]
                                                   [Doryopteris actinophylla]
                                                   [Doryopteris bradei]
                                                   [Doryopteris lomariacea var. actinophylla]
                                                   [Doryopteris lomariacea]
                                                   [Hemionitis lomariacea]
                                                   [Pellaea lomariacea]
                                                   [Pteris lomariacea]
                                             Lytoneuron ornithopus
                                                   [Doryopteris alcicornis]
                                                   [Doryopteris ornithopus]
                                                   [Hemionitis ornithopus]
                                                   [Pellaea alcicornis]
                                                   [Pteris cheirophylla]
                                                   [Pteris ornithopus]
                                             Lytoneuron paradoxum
                                                   [Cassebeera paradoxa]
                                                   [Doryopteris columbina]
                                                   [Doryopteris glaziovii]
                                                   [Doryopteris microphylla]
                                                   [Doryopteris paradoxa]
                                                   [Doryopteris vestita]
                                                   [Hemionitis aconitifolia]
                                                   [Hemionitis columbina]
                                                   [Hemionitis pyornkrachzarkii]
                                                   [Pellaea columbina var. vestita]
                                                   [Pellaea columbina]
                                                   [Pellaea glaziovii var. minor]
                                                   [Pellaea lomariacea var. columbina]
                                                   [Pellaea vestita]
                                                   [Pteris paradoxa]
                                             Lytoneuron quinquelobatum
                                                   [Doryopteris quinquelobata var. septemlobata]
                                                   [Doryopteris quinquelobata]
                                                   [Hemionitis quinquelobata]
                                                   [Pellaea glaziovii]
                                                   [Pellaea quinquelobata]
                                                   [Pteris quinquelobata]
                                             Lytoneuron rosenstockii
                                                   [Doryopteris rosenstockii]
                                                   [Hemionitis rosenstockii]
                                             Lytoneuron rufum
                                                   [Doryopteris rufa]
                                                   [Hemionitis perelinae]
                                             Lytoneuron subsimplex
                                                   [Doryopteris magdalenensis]
                                                   [Doryopteris subsimplex var. magdalenensis]
                                                   [Doryopteris subsimplex]
                                                   [Hemionitis magdalenensis]
                                                   [Hemionitis subsimplex]
                                                   [Pellaea subsimplex]
                                                   [Pteris longula]
                                             Lytoneuron tijucanum
                                                   [Doryopteris tijucana]
                                                   [Hemionitis tijucana]
                                     Mickelopteris
                                             Mickelopteris cordata
                                                   [Acrostichum ramentaceum]
                                                   [Gymnogramma sagittata]
                                                   [Hemionitis cordata]
                                                   [Hemionitis cumingiana]
                                                   [Hemionitis hastata]
                                                   [Hemionitis intermedia]
                                                   [Hemionitis sagittata]
                                                   [Hemionitis toxotis]
                                                   [Hemionitis trinervis]
                                                   [Parahemionitis cordata]
                                     Mildella
                                             Mildella fallax
                                                   [Mildella intramarginalis var. serratifolia]
                                                   [Pellaea intramarginalis var. serratifolia]
                                                   [Pteris fallax]
                                             Mildella intramarginalis
                                                   [Allosorus intramarginalis]
                                                   [Cassebeera intramarginalis]
                                                   [Cheilanthes intramarginalis]
                                                   [Hemionitis intramarginalis]
                                                   [Pellaea intramarginalis]
                                                   [Platyloma intramarginale]
                                                   [Pteris inframarginalis]
                                                   [Pteris intramarginalis]
                                               Mildella intramarginalis var. intramarginalis
                                     Myriopteris
                                           [Cheilosoria]
                                           [Pomataphytum]
                                           [Pomatophytum]
                                             Myriopteris aemula
                                                   [Cheilanthes aemula]
                                                   [Hemionitis aemula]
                                             Myriopteris alabamensis
                                                   [Allosorus alabamensis]
                                                   [Cheilanthes alabamensis]
                                                   [Cheilanthes microphylla var. alabamensis]
                                                   [Hemionitis alabamensis]
                                                   [Pellaea alabamensis]
                                                   [Pteris alabamensis]
                                             Myriopteris allosuroides
                                                   [Allosorus pallidus]
                                                   [Cassebeera arsenei]
                                                   [Cheilanthes allosuroides]
                                                   [Cheilosoria allosuroides]
                                                   [Hemionitis allosuroides]
                                                   [Pellaea allosuroides]
                                                   [Pellaea arsenei]
                                                   [Pellaea pallida]
                                             Myriopteris aurea
                                                   [Acrostichum bonariense]
                                                   [Cheilanthes bonariensis]
                                                   [Cheilanthes ferruginea]
                                                   [Hemionitis bonariensis]
                                                   [Notholaena aurea]
                                                   [Notholaena bonariensis]
                                                   [Notholaena chiapensis]
                                                   [Notholaena rufa var. major]
                                                   [Notholaena rufa var. minor]
                                                   [Notholaena rufa]
                                                   [Pellaea ferruginea]
                                                   [Pteris aurea]
                                             Myriopteris chipinquensis
                                                   [Cheilanthes chipinquensis]
                                                   [Hemionitis chipinquensis]
                                             Myriopteris cinnamomea
                                             Myriopteris cinnamonea
                                                   [Cheilanthes cinnamomea]
                                                   [Cheilanthes tryonii]
                                                   [Hemionitis cinnamomea]
                                                   [Notholaena cinnamomea]
                                             Myriopteris clevelandii
                                                   [Allosorus myriophyllus var. clevelandii]
                                                   [Cheilanthes clevelandii]
                                                   [Hemionitis clevelandii]
                                             Myriopteris cooperae
                                                   [Allosorus cooperae]
                                                   [Cheilanthes cooperae]
                                                   [Hemionitis cooperae]
                                             Myriopteris covillei
                                                   [Allosorus myriophyllus var. covillei]
                                                   [Cheilanthes covillei]
                                                   [Hemionitis covillei]
                                             Myriopteris cucullans
                                                   [Cheilanthes cucullans]
                                                   [Cheilanthes micromera]
                                                   [Cheilanthes microphylla var. cucullans]
                                                   [Cheilanthes microphylla var. micromera]
                                                   [Hemionitis cucullans]
                                             Myriopteris fendleri
                                                   [Allosorus myriophyllus var. fendleri]
                                                   [Cheilanthes fendleri]
                                             Myriopteris fibrillosa
                                                   [Cheilanthes fibrillosa]
                                                   [Cheilanthes lanuginosa var. fibrillosa]
                                             Myriopteris fimbriata
                                                   [Cheilanthes fimbriata]
                                                   [Cheilanthes microphylla var. fimbriata]
                                             Myriopteris gracilis
                                                   [Allosorus vestitus]
                                                   [Cheilanthes feei]
                                                   [Cheilanthes lanuginosa]
                                                   [Cheilanthes vestita]
                                                   [Myriopteris lanuginosa]
                                             Myriopteris gracillima
                                                   [Allosorus gracillimus]
                                                   [Cheilanthes gracillima var. aberrans]
                                                   [Cheilanthes gracillima]
                                                   [Hemionitis gracillima]
                                             Myriopteris intertexta
                                                   [Cheilanthes covillei subsp. intertexta]
                                                   [Cheilanthes intertexta]
                                                   [Hemionitis intertexta]
                                             Myriopteris jamaicensis
                                                   [Cheilanthes jamaicensis var. domingensis]
                                                   [Cheilanthes jamaicensis]
                                                   [Hemionitis jamaicensis]
                                             Myriopteris lanosa
                                                   [Allosorus lanosus]
                                                   [Aspidium lanosum]
                                                   [Cheilanthes lanosa var. minor]
                                                   [Cheilanthes lanosa]
                                                   [Cincinalis vestita]
                                                   [Hemionitis lanosa]
                                                   [Hemionitis vestita]
                                                   [Myriopteris vestita]
                                                   [Nephrodium lanosum]
                                                   [Notholaena vestita]
                                                   [Polypodium lanosum]
                                             Myriopteris lendigera
                                                   [Adiantum lendigerum]
                                                   [Allosorus lendiger var. minor]
                                                   [Allosorus lendiger]
                                                   [Cheilanthes frigida]
                                                   [Cheilanthes lendigera var. minor]
                                                   [Cheilanthes lendigera]
                                                   [Cheilanthes minor]
                                                   [Cheilanthes tenuis]
                                                   [Hemionitis lendigera]
                                                   [Myriopteris frigida]
                                                   [Myriopteris lentigera]
                                                   [Myriopteris minor]
                                                   [Myriopteris villosa]
                                                   [Notholaena lendigera]
                                                   [Notholaena lentigera]
                                                   [Pomataphytum pocillatum]
                                                   [Pomatophytum pocillatum]
                                                   [Pteris lendigera]
                                             Myriopteris lindheimeri
                                                   [Allosorus lindheimeri]
                                                   [Cheilanthes albida]
                                                   [Cheilanthes lindheimeri]
                                                   [Hemionitis lindheimeri]
                                             Myriopteris longipila
                                               Myriopteris longipila subsp. brevipila
                                                     [Cheilanthes longipila var. brevipila]
                                               Myriopteris longipila subsp. longipila
                                                     [Cheilanthes longipila var. longipila]
                                                     [Cheilanthes longipila]
                                                     [Hemionitis longipila]
                                             Myriopteris marsupianthes
                                                   [Cheilanthes marsupianthes]
                                                   [Hemionitis marsupianthes]
                                             Myriopteris maxoniana
                                                   [Cheilanthes maxoniana]
                                                   [Hemionitis maxoniana]
                                             Myriopteris mexicana
                                                   [Cheilanthes mexicana]
                                                   [Hemionitis mexicana]
                                             Myriopteris mickelii
                                                   [Cheilanthes mickelii]
                                                   [Hemionitis mickelii]
                                             Myriopteris microphylla
                                                   [Adiantum microphyllum var. coriaceum]
                                                   [Allosorus microphyllus]
                                                   [Cassebeera microphylla]
                                                   [Cheilanthes elongata]
                                                   [Cheilanthes heterotricha]
                                                   [Cheilanthes microphylla var. elongata]
                                                   [Cheilanthes microphylla var. minor]
                                                   [Cheilanthes pygmaea]
                                                   [Notholaena cheilanthoides]
                                                   [Notholaena microphylla]
                                             Myriopteris moritziana
                                                   [Cheilanthes microphylla var. moritziana]
                                                   [Cheilanthes moritziana]
                                                   [Hemionitis moritziana]
                                             Myriopteris myriophylla
                                                   [Allosorus myriophyllus var. elegans]
                                                   [Allosorus myriophyllus]
                                                   [Cheilanthes elegans]
                                                   [Cheilanthes fournieri]
                                                   [Cheilanthes intermedia]
                                                   [Cheilanthes myriophylla var. elegans]
                                                   [Cheilanthes myriophylla]
                                                   [Cheilanthes paleacea]
                                                   [Hemionitis myriophylla]
                                                   [Myriopteris elegans]
                                                   [Myriopteris intermedia]
                                                   [Myriopteris paleacea]
                                                   [Notholaena myriophylla]
                                             Myriopteris newberryi
                                                   [Cheilanthes newberryi]
                                                   [Hemionitis newberryi]
                                                   [Notholaena newberryi]
                                             Myriopteris notholaenoides
                                                   [Cheilanthes aspidioides]
                                                   [Cheilanthes microphylla var. aspidioides]
                                                   [Cheilanthes microphylla var. pubescens]
                                                   [Cheilanthes notholaenoides]
                                                   [Cheilanthes pubescens]
                                                   [Hemionitis notholaenoides]
                                                   [Pteris notholaenoides]
                                             Myriopteris parishii
                                                   [Cheilanthes parishii]
                                             Myriopteris parryi
                                                   [Cheilanthes parryi]
                                                   [Hemionitis parryi]
                                                   [Notholaena parryi]
                                             Myriopteris peninsularis
                                               Myriopteris peninsularis subsp. insularis
                                                     [Cheilanthes peninsularis var. insularis]
                                               Myriopteris peninsularis subsp. peninsularis
                                                     [Cheilanthes peninsularis]
                                             Myriopteris pringlei
                                               Myriopteris pringlei subsp. moncloviensis
                                                     [Cheilanthes moncloviensis]
                                                     [Cheilanthes pringlei var. moncloviensis]
                                                     [Hemionitis moncloviensis]
                                               Myriopteris pringlei subsp. pringlei
                                                     [Allosorus pringlei]
                                                     [Cheilanthes pringlei var. pringlei]
                                                     [Cheilanthes pringlei]
                                                     [Cheilanthes sonorensis]
                                                     [Hemionitis pringlei]
                                                     [Hemionitis sonorensis]
                                             Myriopteris rawsonii
                                                   [Cheilanthes rawsonii]
                                                   [Cheilanthes refracta]
                                                   [Hemionitis rawsonii]
                                                   [Notholaena rawsonii]
                                             Myriopteris regularis
                                                   [Adiantopsis obtusissima]
                                                   [Adiantopsis regularis]
                                                   [Adiantum regulare]
                                                   [Cheilanthes regularis]
                                                   [Hemionitis regularis]
                                             Myriopteris rufa
                                                   [Allosorus lindheimeri var. eatonii]
                                                   [Cheilanthes castanea]
                                                   [Cheilanthes eatonii f. castanea]
                                                   [Cheilanthes eatonii f. eatonii]
                                                   [Cheilanthes eatonii]
                                                   [Cheilanthes pinkavii]
                                                   [Cheilanthes schaffneri]
                                                   [Cheilanthes tomentosa var. eatonii]
                                                   [Hemionitis eatonii]
                                             Myriopteris scabra
                                                   [Allosorus asper]
                                                   [Cassebeera aspera]
                                                   [Cheilanthes horridula f. compacta]
                                                   [Cheilanthes horridula]
                                                   [Hemionitis horridula]
                                                   [Pellaea aspera]
                                                   [Pellaea scabra]
                                                   [Pteris angusta]
                                             Myriopteris scariosa
                                                   [Acrostichum scariosum]
                                                   [Cheilanthes ornatissima]
                                                   [Cheilanthes scariosa]
                                                   [Cheilanthes tripinnata]
                                                   [Hemionitis scariosa]
                                             Myriopteris tomentosa
                                                   [Allosorus tomentosus]
                                                   [Cheilanthes bradburii]
                                                   [Cheilanthes tomentosa]
                                                   [Hemionitis bradburii]
                                                   [Myriopteris bradburii]
                                             Myriopteris viscida
                                                   [Allosorus viscidus]
                                                   [Cheilanthes viscida]
                                                   [Hemionitis viscida]
                                             Myriopteris windhamii
                                                   [Cheilanthes villosa]
                                                   [Hemionitis villosa]
                                             Myriopteris wootonii
                                                   [Allosorus myriophyllus var. wootonii]
                                                   [Cheilanthes wootonii]
                                                   [Hemionitis wootonii]
                                             Myriopteris wrightii
                                                   [Allosorus wrightii]
                                                   [Cheilanthes tenuifolia subsp. wrightii]
                                                   [Cheilanthes wrightii]
                                                   [Hemionitis wrightii]
                                             Myriopteris x fibrillosa
                                             Myriopteris x parishii
                                             Myriopteris yatskievychiana
                                                   [Cheilanthes yatskievychiana]
                                             Myriopteris yavapensis
                                                   [Cheilanthes yavapensis]
                                                   [Hemionitis yavapensis]
                                     Notholaena
                                           [Chrysochosma]
                                             Notholaena affinis
                                                   [Aleuritopteris affinis]
                                                   [Cheilanthes affinis]
                                                   [Chrysochosma affinis]
                                                   [Chrysochosma angusta]
                                                   [Hemionitis affinis]
                                                   [Hemionitis angusta]
                                                   [Notholaena angusta]
                                             Notholaena aliena
                                                   [Cheilanthes aliena]
                                                   [Chrysochosma aliena]
                                                   [Hemionitis aliena]
                                             Notholaena aschenborniana
                                                   [Cheilanthes aschenborniana]
                                                   [Chrysochosma aschenborniana]
                                                   [Hemionitis aschenborniana]
                                                   [Notholaena bipinnata]
                                             Notholaena aurantiaca
                                                   [Cheilanthes aurantia]
                                                   [Chrysochosma aurantiaca]
                                                   [Hemionitis auryn]
                                             Notholaena aureolina
                                                   [Aleuritopteris aurea]
                                                   [Cheilanthes aurea]
                                                   [Hemionitis aureolina]
                                             Notholaena brachycaulis
                                             Notholaena brachypus
                                                   [Cheilanthes brachypus]
                                                   [Cheilanthes squamosa var. brachypus]
                                                   [Hemionitis brachypus]
                                                   [Notholaena squamata]
                                             Notholaena brevistipes
                                             Notholaena buchtienii
                                                   [Cheilanthes buchtienii]
                                                   [Hemionitis buchtienii]
                                                   [Notholaena buchtienii var. ventanensis]
                                             Notholaena californica
                                               Notholaena californica subsp. californica
                                                     [Aleuritopteris cretacea subsp. nigrescens]
                                                     [Aleuritopteris cretacea]
                                                     [Cheilanthes cretacea]
                                                     [Cheilanthes deserti]
                                                     [Chrysochosma californica]
                                                     [Hemionitis fantastica]
                                                     [Notholaena albida]
                                                     [Notholaena californica subsp. nigrescens]
                                                     [Notholaena candida var. accessita]
                                                     [Notholaena sulphurea var. accessita]
                                                     [Notholaena sulphurea var. californica]
                                               Notholaena californica subsp. leucophylla
                                             Notholaena candida
                                                   [Aleuritopteris candida]
                                                   [Cheilanthes candida]
                                                   [Chrysochosma candida]
                                                   [Hemionitis candida]
                                                   [Notholaena argentea]
                                                   [Notholaena sulphurea var. alba]
                                               Notholaena candida var. candida
                                               Notholaena candida var. copelandii
                                                     [Cheilanthes candida var. copelandii]
                                                     [Chrysochosma candida var. copelandii]
                                                     [Notholaena copelandii]
                                               Notholaena candida var. quinquefidopalmata
                                             Notholaena cantangensis
                                                   [Cheilanthes cantangensis]
                                                   [Hemionitis cantangensis]
                                             Notholaena cubensis
                                                   [Chrysochosma cubensis]
                                                   [Hemionitis cubensis]
                                             Notholaena ekmanii
                                                   [Chrysochosma ekmanii]
                                                   [Hemionitis ekmanii]
                                             Notholaena eriophora
                                                   [Cheilanthes eriophora]
                                                   [Hemionitis eriophora]
                                                   [Notholaena palmatifida]
                                                   [Notholaena steyermarkii]
                                                   [Polypodium eriophorum]
                                             Notholaena fraseri
                                                   [Cheilanthes boliviana]
                                                   [Cheilanthes fraseri]
                                                   [Hemionitis fraseri]
                                             Notholaena galapagensis
                                                   [Chrysochosma galapagensis]
                                                   [Hemionitis galapagensis]
                                             Notholaena galeottii
                                                   [Cheilanthes galeottii]
                                                   [Chrysochosma galeottii]
                                                   [Hemionitis galeottii]
                                                   [Notholaena arsenii]
                                                   [Notholaena hyalina]
                                             Notholaena geraniifolia
                                                   [Cheilanthes geraniifolia]
                                                   [Hemionitis geraniifolia]
                                             Notholaena goyazensis
                                                   [Cheilanthes goyazensis]
                                                   [Hemionitis goyazensis]
                                             Notholaena grayi
                                               Notholaena grayi subsp. grayi
                                                     [Aleuritopteris grayi]
                                                     [Cheilanthes grayi]
                                                     [Chrysochosma grayi]
                                                     [Hemionitis grayi]
                                               Notholaena grayi subsp. sonorensis
                                             Notholaena greggii
                                                   [Allosorus greggii]
                                                   [Cheilanthes davenportii]
                                                   [Cheilanthes greggii]
                                                   [Chrysochosma greggii]
                                                   [Hemionitis greggii]
                                                   [Notholaena pringlei]
                                                   [Pellaea greggii]
                                             Notholaena hassleri
                                                   [Cheilanthes hassleri]
                                                   [Hemionitis hassleri]
                                             Notholaena hieronymi
                                                   [Cheilanthes hieronymi]
                                                   [Cheilanthes marginata var. gracilis]
                                                   [Hemionitis hieronymi]
                                             Notholaena hypoleuca
                                                   [Cheilanthes hypoleuca]
                                                   [Cincinalis tomentosa]
                                                   [Hemionitis hypoleuca]
                                                   [Notholaena tomentosa]
                                                   [Polypodium confluens]
                                             Notholaena incarum
                                                   [Cheilanthes incarum]
                                                   [Hemionitis incarum]
                                             Notholaena jacalensis
                                                   [Hemionitis jacalensis]
                                             Notholaena jaliscana
                                                   [Cheilanthes aurea var. palmeri]
                                                   [Cheilanthes palmeri]
                                                   [Hemionitis jaliscana]
                                             Notholaena lemmonii
                                                   [Cheilanthes lemmonii]
                                                   [Chrysochosma lemmonii]
                                                   [Hemionitis lemmonii]
                                               Notholaena lemmonii var. australis
                                                     [Cheilanthes lemmonii var. australis]
                                                     [Chrysochosma lemmonii var. australis]
                                               Notholaena lemmonii var. lemmonii
                                             Notholaena leonina
                                                   [Chrysochosma leonina]
                                                   [Hemionitis leonina]
                                             Notholaena lonchophylla
                                                   [Cheilanthes lonchophylla]
                                                   [Hemionitis lonchophylla]
                                             Notholaena meridionalis
                                             Notholaena mollis
                                                   [Cheilanthes doradilla]
                                                   [Cheilanthes mollis]
                                                   [Hemionitis mollis]
                                                   [Notholaena doradilla]
                                             Notholaena montielae
                                             Notholaena montieliae
                                             Notholaena neglecta
                                                   [Cheilanthes neglecta]
                                                   [Chrysochosma neglecta]
                                                   [Hemionitis neglecta]
                                             Notholaena nigricans
                                                   [Hemionitis nigricans]
                                                   [Pteris nigricans]
                                             Notholaena obducta
                                                   [Cheilanthes balansae]
                                                   [Cheilanthes obducta]
                                                   [Hemionitis obducta]
                                                   [Notholaena balansae]
                                                   [Notholaena herzogii]
                                             Notholaena ochracea
                                                   [Aleuritopteris aurantiaca]
                                                   [Aleuritopteris lutea]
                                                   [Allosorus aurantiacus]
                                                   [Allosorus ochraceus]
                                                   [Cheilanthes aurantiaca]
                                                   [Cheilanthes lutea]
                                                   [Cheilanthes ochracea]
                                                   [Hemionitis aurantiaca]
                                                   [Hemionitis lutea]
                                                   [Notholaena candida var. lutea]
                                                   [Pteris aurantiaca]
                                                   [Pteris lutea]
                                             Notholaena pohliana
                                                   [Cheilanthes pohliana]
                                                   [Hemionitis pohliana]
                                             Notholaena revoluta
                                             Notholaena rigida
                                                   [Chrysochosma rigida]
                                                   [Hemionitis urglae]
                                             Notholaena rosei
                                                   [Cheilanthes coruscans]
                                                   [Cheilanthes rosei]
                                                   [Chrysochosma rosei]
                                                   [Hemionitis rosei]
                                                   [Notholaena lemmonii var. straminea]
                                             Notholaena schaffneri
                                                   [Aleuritopteris schaffneri]
                                                   [Cheilanthes nealleyi]
                                                   [Cheilanthes neallyi var. mexicana]
                                                   [Cheilanthes potosina]
                                                   [Chrysochosma schaffneri var. nealleyi]
                                                   [Chrysochosma schaffneri]
                                                   [Hemionitis nealleyi]
                                                   [Hemionitis schaffneri]
                                                   [Notholaena nealleyi var. mexicana]
                                                   [Notholaena nealleyi]
                                                   [Notholaena schaffneri var. mexicana]
                                                   [Notholaena schaffneri var. nealleyi]
                                               Notholaena schaffneri var. schaffneri
                                             Notholaena solitaria
                                                   [Hemionitis solitaria]
                                             Notholaena squamosa
                                                   [Cheilanthes squamosa]
                                                   [Notholaena gilliesii]
                                                   [Notholaena lilloi]
                                                   [Notholaena scariosa]
                                                   [Pellaea lilloi]
                                             Notholaena standleyi
                                                   [Cheilanthes hookeri]
                                                   [Cheilanthes standleyi]
                                                   [Chrysochosma hookeri]
                                                   [Chrysochosma standleyi]
                                                   [Cincinalis hookeri]
                                                   [Hemionitis hookeri]
                                                   [Notholaena hookeri]
                                             Notholaena sulphurea
                                                   [Aleuritopteris preslii]
                                                   [Aleuritopteris pulveracea]
                                                   [Aleuritopteris sulfurea]
                                                   [Allosorus pulveraceus]
                                                   [Allosorus sulphureus]
                                                   [Cheilanthes borsigiana]
                                                   [Cheilanthes farinosa var. sulphurea]
                                                   [Cheilanthes furfuracea]
                                                   [Cheilanthes lepida]
                                                   [Cheilanthes monosticha]
                                                   [Cheilanthes sulphurea]
                                                   [Chrysochosma borsigianum]
                                                   [Chrysochosma pulveraceum]
                                                   [Chrysochosma sulphurea]
                                                   [Hemionitis sulphurea]
                                                   [Notholaena cretacea]
                                                   [Notholaena lepida]
                                                   [Notholaena monosticha]
                                                   [Notholaena pulveracea]
                                                   [Pteris sulfurea]
                                             Notholaena trichomanoides
                                                   [Acrostichum pterioides]
                                                   [Cheilanthes trichomanoides f. subnuda]
                                                   [Cheilanthes trichomanoides]
                                                   [Chrysochosma trichomanoides]
                                                   [Cincinalis ferruginea]
                                                   [Cincinalis trichomanoides]
                                                   [Hemionitis trichomanoides]
                                                   [Notholaena ferruginea]
                                                   [Notholaena trichomanoides var. pilosa]
                                                   [Notholaena trichomanoides var. pinnatifida]
                                                   [Notholaena trichomanoides var. subnuda]
                                                   [Pteris trichomanoides]
                                             Notholaena venusta
                                                   [Cheilanthes bradei]
                                                   [Hemionitis venusta]
                                             Notholaena weatherbiana
                                                   [Chrysochosma weatherbiana]
                                                   [Notholaena x weatherbiana]
                                     Oeosporangium
                                           [Allosorus]
                                             Oeosporangium belangeri
                                                   [Allosorus caespitosus]
                                                   [Allosorus cambodiensis]
                                                   [Cheilanthes belangeri]
                                                   [Cheilanthes griffithiana]
                                                   [Cheilanthes malaccensis]
                                                   [Cheilanthes varians]
                                                   [Cheilosoria belangeri]
                                                   [Hemionitis belangeri]
                                                   [Pellaea cambodiensis]
                                                   [Pteridella belangeri]
                                                   [Pteris belangeri]
                                                   [Pteris caespitosa]
                                                   [Pteris varians]
                                             Oeosporangium chinense
                                                   [Cheilanthes chinensis]
                                                   [Hemionitis chinensis]
                                                   [Notholaena chinensis]
                                             Oeosporangium chusanum
                                                   [Adiantopsis fordii]
                                                   [Cheilanthes bockii]
                                                   [Cheilanthes boltoni]
                                                   [Cheilanthes chusana]
                                                   [Cheilanthes fordii]
                                                   [Cheilanthes mysurensis var. chusana]
                                                   [Cheilanthes mysurensis var. giraldii]
                                                   [Cheilosoria chusana]
                                                   [Hemionitis chusana]
                                             Oeosporangium contiguum
                                                   [Cheilanthes rotunda]
                                                   [Cheilanthes tenuifolia subsp. contigua]
                                                   [Hemionitis contigua]
                                             Oeosporangium coriaceum
                                                   [Allosorus coriaceus]
                                                   [Cheilanthes arabica]
                                                   [Cheilanthes coriacea]
                                                   [Cheilanthes decaisnii]
                                                   [Hemionitis morla]
                                                   [Pellaea abyssinica]
                                                   [Pellaea arabica]
                                                   [Pellaea lomarioides]
                                             Oeosporangium delicatulum
                                                   [Cheilanthes delicatula]
                                                   [Hemionitis delicatessa]
                                                   [Hemionitis delicatula]
                                             Oeosporangium duriense
                                                   [Allosorus prototinaei]
                                                   [Cheilanthes prototinaei]
                                             Oeosporangium elegans
                                                   [Adiantum scandicinum]
                                                   [Cheilanthes cadieri]
                                                   [Cheilanthes melanocoma]
                                                   [Cheilanthes mysurensis]
                                                   [Cheilanthes opposita]
                                                   [Cheilanthes swartzii]
                                                   [Cheilosoria mysuriensis]
                                                   [Hemionitis opposita]
                                             Oeosporangium fragile
                                                   [Cheilanthes fragilis]
                                                   [Cheilosoria fragilis]
                                                   [Hemionitis fragilis]
                                             Oeosporangium guanchicum
                                                   [Allosorus guanchicus]
                                                   [Cheilanthes guanchica]
                                                   [Cheilanthes pteridioides subsp. guanchica]
                                                   [Cheilanthes sventenii]
                                                   [Hemionitis guanchica]
                                             Oeosporangium hancockii
                                                   [Cheilanthes bonatiana]
                                                   [Cheilanthes hancockii]
                                                   [Cheilanthes henryi]
                                                   [Cheilanthes taliensis]
                                                   [Cheilanthes wilsonii]
                                                   [Cheilosoria hancockii]
                                                   [Hemionitis hancockii]
                                             Oeosporangium hispanicum
                                                   [Allosorus hispanicus]
                                                   [Cheilanthes hispanica]
                                                   [Hemionitis hispanica]
                                             Oeosporangium ibericum
                                                   [Allosorus ibericus]
                                                   [Cheilanthes iberica]
                                             Oeosporangium insigne
                                                   [Cheilanthes insignis]
                                                   [Cheilosoria insignis]
                                                   [Hemionitis insignis]
                                             Oeosporangium insulare
                                                   [Allosorus insularis]
                                                   [Cheilanthes insularis]
                                             Oeosporangium kochianum
                                                   [Allosorus kochianus]
                                                   [Cheilanthes kochiana]
                                             Oeosporangium kuhnii
                                                   [Aleuritopteris caesia]
                                                   [Aleuritopteris kuhnii f. efarinosa]
                                                   [Aleuritopteris kuhnii var. brandtii]
                                                   [Aleuritopteris kuhnii]
                                                   [Aleuritopteris tenella]
                                                   [Cheilanthes brandtii var. efarinosa]
                                                   [Cheilanthes brandtii]
                                                   [Cheilanthes caesia]
                                                   [Cheilanthes farinosa var. brandtii]
                                                   [Cheilanthes kuhnii var. brandtii]
                                                   [Cheilanthes kuhnii var. caesia]
                                                   [Cheilanthes kuhnii]
                                                   [Hemionitis brandtii]
                                                   [Hemionitis caesia]
                                                   [Hemionitis kuhnii]
                                                   [Leptolepidium caesium]
                                                   [Leptolepidium kuhnii var. brandtii]
                                                   [Leptolepidium kuhnii]
                                                   [Leptolepidium tenellum]
                                             Oeosporangium kurdicum
                                                   [Allosorus kurdicus]
                                                   [Cheilanthes kurdica]
                                             Oeosporangium mairei
                                                   [Cheilanthes brausei]
                                                   [Hemionitis mairei]
                                                   [Mildella mairei]
                                                   [Pellaea mairei]
                                                   [Pellaea nitidula]
                                             Oeosporangium malacitense
                                                   [Allosorus malacitensis]
                                                   [Allosorus tolocensis]
                                                   [Cheilanthes malacitensis]
                                                   [Cheilanthes tolocensis]
                                             Oeosporangium nitidulum
                                                   [Allosorus nitidulus]
                                                   [Cheilanthes nitidula subsp. henryi]
                                                   [Cheilanthes nitidula]
                                                   [Hemionitis nitidula]
                                                   [Mildella henryi]
                                                   [Mildella nitidula]
                                                   [Pellaea henryi]
                                                   [Pteris nitidula]
                                             Oeosporangium nudiusculum
                                                   [Acrostichum javense]
                                                   [Cheilanthes arnottiana]
                                                   [Cheilanthes densa]
                                                   [Cheilanthes dilimanensis]
                                                   [Cheilanthes javanica]
                                                   [Cheilanthes javensis]
                                                   [Cheilanthes kleinhofii]
                                                   [Cheilanthes moluccana]
                                                   [Cheilanthes nudiuscula]
                                                   [Cheilanthes tenuifolia subsp. nudiuscula]
                                                   [Cheilanthes tenuifolia var. nudiuscula]
                                                   [Cincinalis ciliata]
                                                   [Cincinalis hirsuta]
                                                   [Cincinalis javensis]
                                                   [Hemionitis dilimanensis]
                                                   [Hemionitis nudiuscula]
                                                   [Notholaena ciliata]
                                                   [Notholaena densa]
                                                   [Notholaena hirsuta var. nudiuscula]
                                                   [Notholaena hirsuta]
                                                   [Notholaena javensis]
                                                   [Notholaena nudiuscula]
                                                   [Notholaena paucijuga]
                                                   [Notholaena pilosa]
                                                   [Notholaena remota]
                                                   [Notholaena sulcata]
                                                   [Pellaea nudiuscula]
                                                   [Pteris nudiuscula]
                                             Oeosporangium patulum
                                                   [Cheilanthes patula]
                                                   [Cheilosoria patula]
                                                   [Hemionitis patula]
                                                   [Pellaea patula]
                                             Oeosporangium pauperculum
                                                   [Cheilanthes christii]
                                                   [Cheilanthes paupercula]
                                                   [Hemionitis christii]
                                                   [Hemionitis paupercula]
                                                   [Mildella paupercula]
                                                   [Pellaea paupercula]
                                                   [Pteris paupercula]
                                             Oeosporangium persica
                                                   [Acrostichum microphyllum]
                                                   [Allosorus persicus]
                                                   [Cheilanthes persica]
                                                   [Cheilanthes szovitsii]
                                                   [Hemionitis persica]
                                                   [Myriopteris szovitzii]
                                                   [Notholaena persica]
                                                   [Notholaena szovitsii]
                                                   [Oeosporangium fimbriatum]
                                                   [Oeosporangium szovitsii]
                                             Oeosporangium pteridioides
                                               Oeosporangium pteridioides subsp. acrosticum
                                                     [Allosorus acrosticus]
                                                     [Cheilanthes acrostica]
                                                     [Cheilanthes fragrans var. paleacea]
                                                     [Cheilanthes pteridioides f. paleacea]
                                                     [Cheilanthes pteridioides subsp. acrostica]
                                                     [Hemionitis atreyu]
                                                     [Oeosporangium acrosticum]
                                                     [Pteris acrostica]
                                               Oeosporangium pteridioides subsp. pteridioides
                                                     [Adiantum fragrans]
                                                     [Adiantum odoratum]
                                                     [Adiantum odorum]
                                                     [Adiantum pusillum]
                                                     [Adiantum suaveolens]
                                                     [Allosorus fragrans]
                                                     [Allosorus pteridioides]
                                                     [Allosorus pusillus]
                                                     [Cheilanthes fragrans subsp. maderensis]
                                                     [Cheilanthes fragrans]
                                                     [Cheilanthes maderensis]
                                                     [Cheilanthes odora]
                                                     [Cheilanthes pteridiodes var. maderensis]
                                                     [Cheilanthes pteridioides f. maderensis]
                                                     [Cheilanthes pteridioides subsp. maderensis]
                                                     [Cheilanthes pteridioides var. maderensis]
                                                     [Cheilanthes pteridioides]
                                                     [Cheilanthes suaveolens]
                                                     [Hemionitis maderensis]
                                                     [Hemionitis pteridioides]
                                                     [Hemionitis quezelii]
                                                     [Negripteris quezelii]
                                                     [Polypodium pteridioides]
                                                     [Pteris fragrans]
                                               Oeosporangium pteridioides subsp. reichsteinii
                                                     [Allosorus marchettianus]
                                                     [Cheilanthes marchettiana]
                                             Oeosporangium pulchellum
                                                   [Allosorus fragilis]
                                                   [Cheilanthes pulchella]
                                                   [Hemionitis pulchella]
                                             Oeosporangium smithii
                                                   [Cheilanthes smithii]
                                                   [Hemionitis christensenii]
                                                   [Mildella smithii]
                                                   [Pellaea smithii]
                                             Oeosporangium stramineum
                                                   [Cheilanthes tibetica]
                                                   [Hemionitis straminea]
                                                   [Hemionitis tibetica]
                                                   [Mildella straminea]
                                                   [Pellaea straminea var. tibetica]
                                                   [Pellaea straminea]
                                             Oeosporangium subvillosum
                                                   [Aleuritopteris subvillosa var. dilatata]
                                                   [Aleuritopteris subvillosa var. tibetica]
                                                   [Aleuritopteris subvillosa]
                                                   [Allosorus subvillosus]
                                                   [Cheilanthes subvillosa var. dilatata]
                                                   [Cheilanthes subvillosa]
                                                   [Cheilanthes yunnanensis]
                                                   [Hemionitis subvillosa]
                                                   [Leptolepidium subvillosum var. dilatatum]
                                                   [Leptolepidium subvillosum var. tibeticum]
                                                   [Leptolepidium subvillosum]
                                             Oeosporangium teneriffae
                                                   [Allosorus teneriffae]
                                                   [Cheilanthes teneriffae]
                                             Oeosporangium tenuifolium
                                                   [Acrostichum tenue]
                                                   [Adiantum cicutaeifolium]
                                                   [Adiantum varians]
                                                   [Allosorus depilatus]
                                                   [Cassebeera tenuifolia]
                                                   [Cheilanthes hispidula]
                                                   [Cheilanthes humilis]
                                                   [Cheilanthes micrantha]
                                                   [Cheilanthes rupestris]
                                                   [Cheilanthes sciadioides]
                                                   [Cheilanthes semiglabra]
                                                   [Cheilanthes shirleyana]
                                                   [Cheilanthes tenuifolia subsp. queenslandica]
                                                   [Cheilanthes tenuifolia subsp. shirleyana]
                                                   [Cheilanthes tenuifolia var. tenuifolia]
                                                   [Cheilanthes tenuifolia]
                                                   [Cheilosoria javensis]
                                                   [Cheilosoria tenuifolia]
                                                   [Gymnogramma microphylloides]
                                                   [Hemionitis tenuifolia]
                                                   [Notholaena glabra]
                                                   [Notholaena hirsuta var. glabra]
                                                   [Notholaena semiglabra]
                                                   [Pellaea depilata]
                                                   [Pteris alpina]
                                                   [Pteris humilis]
                                                   [Pteris nigra]
                                                   [Trichomanes tenuifolium]
                                             Oeosporangium thwaitesii
                                                   [Aleuritopteris thwaitesii]
                                                   [Cheilanthes keralensis]
                                                   [Cheilanthes laxa]
                                                   [Cheilanthes thwaitesii]
                                                   [Hemionitis keralensis]
                                                   [Hemionitis thwaitesii]
                                             Oeosporangium tinaei
                                                   [Allosorus tinaei]
                                                   [Cheilanthes corsica]
                                                   [Cheilanthes duriensis]
                                                   [Cheilanthes pteridioides subsp. tinaei]
                                                   [Cheilanthes tinaei]
                                                   [Hemionitis tinaei]
                                             Oeosporangium tirajanae
                                                   [Cheilanthes tirajanae]
                                             Oeosporangium trichophyllum
                                                   [Aleuritopteris delavayi]
                                                   [Cheilanthes delavayi]
                                                   [Cheilanthes trichophylla]
                                                   [Cheilanthes undulata]
                                                   [Hemionitis trichophylla]
                                                   [Pellaea trichophylla]
                                             Oeosporangium velutinum
                                                   [Cheilanthes velutina]
                                                   [Hemionitis velutina]
                                                   [Notholaena velutina]
                                             Oeosporangium x duriense
                                             Oeosporangium x ibericum
                                             Oeosporangium x insulare
                                             Oeosporangium x kochianum
                                             Oeosporangium x kurdicum
                                             Oeosporangium x malacitense
                                             Oeosporangium x teneriffae
                                             Oeosporangium yunnanense
                                                   [Cheilanthes bhutanica]
                                                   [Hemionitis bhutanica]
                                                   [Hemionitis yunnanensis]
                                                   [Pellaea yunnanensis]
                                             Oeosporangium × kochianum
                                     Ormopteris
                                             Ormopteris crenata
                                                   [Hemionitis crenata]
                                                   [Pellaea crenata]
                                             Ormopteris cymbiformis
                                                   [Hemionitis cymbiformis]
                                                   [Pellaea cymbiformis]
                                             Ormopteris flavescens
                                                   [Allosorus bongardianus]
                                                   [Allosorus flavescens]
                                                   [Hemionitis flavescens]
                                                   [Pellaea bongardiana]
                                             Ormopteris gleichenioides
                                                   [Bakeropteris gleicheniodes]
                                                   [Cassebeera gleichenioides]
                                                   [Hemionitis gleichenioides]
                                                   [Pellaea gleichenioides]
                                             Ormopteris pinnata
                                                   [Bakeropteris petiolata]
                                                   [Bakeropteris pinnata]
                                                   [Cassebeera petiolata]
                                                   [Cassebeera pinnata]
                                                   [Hemionitis ygramulorum]
                                                   [Pellaea pinnata]
                                                   [Pteris pinnata]
                                             Ormopteris riedelii
                                                   [Allosorus riedelii]
                                                   [Hemionitis riedelii]
                                                   [Pellaea riedelii]
                                     Paragymnopteris
                                           [Paraceterach]
                                           [Parahemionitis]
                                             Paragymnopteris bipinnata
                                                   [Gymnogramma delavayi]
                                                   [Gymnogramma vestita var. auriculata]
                                                   [Gymnopteris bipinnata var. auriculata]
                                                   [Gymnopteris bipinnata]
                                                   [Gymnopteris vestita var. auriculata]
                                                   [Hemionitis bipinnata]
                                                   [Notholaena dipinnata]
                                                   [Notholaena dipinnula]
                                                   [Paraceterach bipinnata]
                                                   [Paragymnopteris bipinnata var. auriculata]
                                             Paragymnopteris borealisinensis
                                                   [Gymnopteris borealisinensis]
                                                   [Notholaena borealisinensis]
                                             Paragymnopteris delavayi
                                                   [Cheilanthes bureaui]
                                                   [Gymnopteris delavayi]
                                                   [Gymnopteris marantae var. intermedia]
                                                   [Hemionitis delavayi]
                                                   [Neurogramma delavayi]
                                                   [Notholaena bureaui]
                                                   [Notholaena delavayi]
                                                   [Notholaena marantae var. delavayi]
                                                   [Paraceterach delavayi]
                                                   [Paragymnopteris delavayi var. intermedia]
                                                   [Paragymnopteris marantae var. intermedia]
                                             Paragymnopteris marantae
                                               Paragymnopteris marantae subsp. marantae
                                                     [Acrostichum marantae]
                                                     [Ceterach marantae]
                                                     [Cheilanthes marantae var. cupripaleacea]
                                                     [Cheilanthes marantae]
                                                     [Cincinalis marantae]
                                                     [Gymnogramma marantae]
                                                     [Gymnopteris marantae]
                                                     [Hemionitis marantae]
                                                     [Notholaena canariense]
                                                     [Notholaena marantae subsp. cupripaleacea]
                                                     [Notholaena marantae var. cupripaleacea]
                                                     [Notholaena marantae var. marantae]
                                                     [Notholaena marantae]
                                                     [Paraceterach marantae]
                                                     [Polystichum marantae]
                                               Paragymnopteris marantae subsp. subcordata
                                                     [Acrostichum canariense]
                                                     [Acrostichum subcordatum]
                                                     [Cheilanthes marantae f. dryopteroides]
                                                     [Cheilanthes marantae subsp. subcordata]
                                                     [Cincinalis subcordata]
                                                     [Hemionitis gluckuk]
                                                     [Notholaena marantae subsp. subcordata]
                                                     [Notholaena subcordata]
                                                     [Paraceterach marantae subsp. subcordata]
                                             Paragymnopteris sargentii
                                                   [Gymnopteris sargentii]
                                                   [Hemionitis sargentii]
                                                   [Notholaena sargentii]
                                                   [Paraceterach sargentii]
                                             Paragymnopteris vestita
                                                   [Grammitis vestita]
                                                   [Gymnogramma vestita]
                                                   [Gymnopteris vestita]
                                                   [Hemionitis himalaica]
                                                   [Neurogramma vestita]
                                                   [Notholaena himalaica]
                                                   [Paraceterach vestita]
                                                   [Syngramma vestita]
                                                   [Syngramme vestita]
                                     Pellaea
                                           [Bakeropteris]
                                           [Cincinalis]
                                           [Hymenoloma]
                                           [Pellaeopsis]
                                           [Pteridella]
                                           [Synochlamys]
                                             Pellaea ambigua
                                                   [Allosorus ambiguus]
                                                   [Cheilanthes ambigua]
                                                   [Hemionitis ambigua]
                                                   [Synochlamys ambigua]
                                             Pellaea andromedifolia
                                                   [Allosorus andromedifolius]
                                                   [Cassebeera andromedifolia var. gracilis]
                                                   [Cassebeera andromedifolia var. pubescens]
                                                   [Cassebeera andromedifolia var. rubens]
                                                   [Cassebeera andromedifolia]
                                                   [Hemionitis andromedifolia]
                                                   [Notholaena andromedifolia]
                                                   [Pellaea andromedifolia f. gracilis]
                                                   [Pellaea andromedifolia f. pubescens]
                                                   [Pellaea andromedifolia var. gracilis]
                                                   [Pellaea andromedifolia var. pubescens]
                                                   [Pellaea andromedifolia var. rubens]
                                                   [Pellaea rafaelensis]
                                                   [Platyloma andromedifolia]
                                                   [Platyloma andromedifolium]
                                                   [Pteris andromedifolia]
                                               Pellaea andromedifolia var. andromedifolia
                                             Pellaea angolensis
                                                   [Hemionitis angolensis]
                                             Pellaea angulosa
                                                   [Allosorus angulosus]
                                                   [Doryopteris articulata]
                                                   [Hemionitis angulosa]
                                                   [Litobrochia articulata]
                                                   [Pellaea angulosa f. rotunda]
                                                   [Pellaea articulata]
                                                   [Pellaeopsis articulata]
                                                   [Pteridella angulosa]
                                                   [Pteris angulosa]
                                                   [Pteris articulata]
                                             Pellaea atropurpurea
                                                   [Allosorus atropurpureus]
                                                   [Asplenium atropurpureum]
                                                   [Cassebeera atropurpurea var. minima]
                                                   [Cassebeera atropurpurea]
                                                   [Hemionitis atropurpurea]
                                                   [Notholaena atropurpurea]
                                                   [Pellaea atropurpurea f. bifida]
                                                   [Pellaea atropurpurea f. furcata]
                                                   [Pellaea atropurpurea var. cristata]
                                                   [Pellaea atropurpurea var. latifolia]
                                                   [Pellaea atropurpurea var. minima]
                                                   [Pellaea atropurpurea var. mucronata]
                                                   [Pellaea atropurpurea var. nana]
                                                   [Pellaea atropurpurea var. punctata]
                                                   [Pellaea atropurpurea var. venosa]
                                                   [Pellaea spiculata]
                                                   [Platyloma atropurpurea]
                                                   [Pteris spiculata]
                                                   Pellaea atropurpurea f. atropurpurea
                                               Pellaea atropurpurea var. atropurpurea
                                             Pellaea boivinii
                                                   [Allosorus boivinii]
                                                   [Hemionitis boivinii]
                                                   [Pellaea adiantoides]
                                                   [Pellaea boivinii f. bipinnata]
                                                   [Pteridella adiantoides]
                                                   [Pteris boivinii]
                                               Pellaea boivinii var. tripinnata
                                                     [Pellaea boivinii var. multifrondulosa]
                                             Pellaea brachyptera
                                                   [Allosorus bellus]
                                                   [Allosorus brachypterus]
                                                   [Hemionitis brachyptera]
                                                   [Pellaea bella]
                                                   [Pellaea ornithopus var. brachyptera]
                                                   [Platyloma bellum]
                                                   [Platyloma brachyptera]
                                             Pellaea brasiliensis
                                                   [Hemionitis brasiliensis]
                                             Pellaea breweri
                                                   [Allosorus breweri]
                                                   [Hemionitis breweri]
                                             Pellaea bridgesii
                                                   [Allosorus bridgesii]
                                                   [Hemionitis bridgesii]
                                                   [Platyloma bridgesii]
                                             Pellaea calidirupia
                                             Pellaea calidirupium
                                                   [Hemionitis calidirupium]
                                             Pellaea calomelanos
                                                   [Allosorus calomelanos]
                                                   [Hemionitis calomelanos]
                                                   [Notholaena calomelanos]
                                                   [Pellaea hastata]
                                                   [Platyloma calomelanos]
                                                   [Pteridella hastata]
                                                   [Pteris calomelanos]
                                                   [Pteris hastata]
                                               Pellaea calomelanos var. calomelanos
                                               Pellaea calomelanos var. swynnertoniana
                                                     [Pellaea swynnertoniana]
                                             Pellaea cordifolia
                                                   [Adiantum cordifolium]
                                                   [Allosorus cordatus]
                                                   [Cassebeera cordata]
                                                   [Hemionitis cordifolia]
                                                   [Notholaena cordata]
                                                   [Pellaea cardiomorpha]
                                                   [Pellaea cordata var. cordata]
                                                   [Pellaea cordata]
                                                   [Pellaea sagittata var. cordata]
                                                   [Platyloma cordata]
                                                   [Pteris cordata]
                                             Pellaea doniana
                                                   [Allosorus doniana]
                                                   [Hemionitis doniana]
                                                   [Pellaea doniana var. pilosus]
                                                   [Pteridella doniana]
                                                   [Pteris doniana]
                                             Pellaea dura
                                                   [Allosorus durus]
                                                   [Cheilanthes dura]
                                                   [Hemionitis dura]
                                                   [Litobrochia dura]
                                                   [Pellaea burkeana]
                                                   [Pellaea dura var. gigantea]
                                                   [Pellaea dura var. pilosa]
                                                   [Pellaeopsis burkeana]
                                                   [Pteridella dura]
                                                   [Pteris burkeana]
                                                   [Pteris dura]
                                               Pellaea dura var. dura
                                               Pellaea dura var. holstii
                                                     [Pellaea holstii]
                                                     [Pteridella holstii]
                                               Pellaea dura var. latipinna
                                               Pellaea dura var. schweinfurthii
                                                     [Hemionitis schweinfurthii]
                                                     [Pellaea maxima]
                                                     [Pellaea schweinfurthii]
                                                     [Pteridella schweinfurthii]
                                             Pellaea falcata
                                                   [Allosorus falcatus]
                                                   [Allosorus integricuspis]
                                                   [Hemionitis pellaea]
                                                   [Pellaea falcata var. denticulata]
                                                   [Pellaea integricuspis]
                                                   [Pellaea seticaulis]
                                                   [Platyloma falcata var. caudata]
                                                   [Platyloma falcata]
                                                   [Platyloma falcatum var. setosum]
                                                   [Pteris alternifolia]
                                                   [Pteris falcata]
                                                   [Pteris seticaulis]
                                               Pellaea falcata var. falcata
                                             Pellaea gastonyi
                                                   [Hemionitis gastonyi]
                                             Pellaea glabella
                                               Pellaea glabella subsp. glabella
                                                     [Cassebeera atropurpurea var. glabella]
                                                     [Hemionitis glabella]
                                                     [Pellaea atropurpurea f. glabella]
                                                     [Pellaea atropurpurea var. bushii]
                                                     [Pellaea atropurpurea var. glabella]
                                               Pellaea glabella subsp. missouriensis
                                                     [Pellaea glabella var. missouriensis]
                                               Pellaea glabella subsp. occidentalis
                                                     [Pellaea atropurpurea var. occidentalis]
                                                     [Pellaea glabella var. nana]
                                                     [Pellaea glabella var. occidentalis]
                                                     [Pellaea occidentalis]
                                                     [Pellaea pumila]
                                               Pellaea glabella subsp. simplex
                                                     [Pellaea atropurpurea var. simplex]
                                                     [Pellaea glabella var. simplex]
                                                     [Pellaea occidentalis subsp. simplex]
                                                     [Pellaea suksdorfiana]
                                               Pellaea glabella var. glabella
                                             Pellaea glauca
                                                   [Acrostichum glaucum]
                                                   [Allosorus glaucus]
                                                   [Allosorus hirsutus]
                                                   [Cheilanthes chilensis]
                                                   [Cheilanthes glauca var. hirsuta]
                                                   [Cheilanthes glauca var. integerrima]
                                                   [Cheilanthes glauca]
                                                   [Hemionitis glauca]
                                                   [Pellaea hirsuta]
                                                   [Pteris glauca]
                                                   [Pteris microphylla]
                                             Pellaea intermedia
                                                   [Cassebeera intermedia]
                                                   [Hemionitis horokana]
                                                   [Pellaea flexuosa var. sagittata]
                                                   [Pellaea intermedia f. pubescens]
                                                   [Pellaea intermedia var. pubescens]
                                             Pellaea leucomelas
                                                   [Allosorus leucomelas]
                                                   [Pellaea calomelanos var. leucomelas]
                                                   [Pteridella leucomelas]
                                                   [Pteris leucomelas]
                                             Pellaea longipilosa
                                                   [Hemionitis longipilosa]
                                                   [Hemionitis malabarica]
                                                   [Pellaea malabarica]
                                             Pellaea lyngholmii
                                                   [Hemionitis lyngholmii]
                                             Pellaea mucronata
                                               Pellaea mucronata subsp. californica
                                                     [Pellaea aspera f. compacta]
                                                     [Pellaea compacta]
                                                     [Pellaea mucronata var. californica]
                                                     [Pellaea wrightiana var. californica]
                                                     [Pellaea wrightiana var. compacta]
                                               Pellaea mucronata subsp. mucronata
                                                     [Allosorus ornithopus]
                                                     [Cassebeera ternifolia var. longimucronata]
                                                     [Cassebeera ternifolia var. mucronata]
                                                     [Cassebeera ternifolia var. ornithopus]
                                                     [Cassebeera ternifolia var. stipitata]
                                                     [Cheilanthes mucronata]
                                                     [Cheilanthes ornithopus]
                                                     [Hemionitis mucronata]
                                                     [Pellaea longimucronata]
                                                     [Pellaea ornithopus]
                                                     [Pellaea wrightiana var. longimucronata]
                                               Pellaea mucronata var. mucronata
                                             Pellaea muelleri
                                             Pellaea myrtillifolia
                                                   [Allosorus myrtillifolius]
                                                   [Hemionitis myrtillifolia]
                                             Pellaea nana
                                                   [Hemionitis nana]
                                                   [Pellaea falcata var. nana]
                                                   [Platyloma falcata var. nana]
                                                   [Pteris falcata var. nana]
                                             Pellaea notabilis
                                                   [Hemionitis notabilis]
                                             Pellaea oaxacana
                                             Pellaea ovata
                                                   [Allosorus flexuosus]
                                                   [Hemionitis ovata]
                                                   [Pellaea cordata var. flexuosa]
                                                   [Pellaea flexuosa]
                                                   [Platyloma flexuosa]
                                                   [Pteris ovata]
                                             Pellaea paradoxa
                                                   [Adiantum paradoxum]
                                                   [Allosorus falcatus var. paradoxus]
                                                   [Allosorus paradoxus]
                                                   [Hemionitis paradoxa]
                                                   [Pellaea paradoxa var. trichophora]
                                                   [Platyloma brownii]
                                                   [Pteris falcata var. paradoxa]
                                             Pellaea pectiniformis
                                                   [Allosorus pectiniformis]
                                                   [Hemionitis pectiniformis]
                                                   [Pellaea goudotii var. bipinnata]
                                                   [Pellaea goudotii var. compacta]
                                                   [Pellaea goudotii var. major]
                                                   [Pellaea goudotii]
                                                   [Platyloma dura]
                                                   [Pteridella pectiniformis]
                                                   [Pteris goudotii]
                                                   [Pteris pectiniformis]
                                             Pellaea pringlei
                                                   [Hemionitis hysbaldii]
                                             Pellaea prolifera
                                                   [Hemionitis hykrionii]
                                             Pellaea pteroides
                                                   [Adiantopsis pteroides]
                                                   [Adiantum pteroides]
                                                   [Cassebeera pteroides]
                                                   [Cheilanthes pteroides]
                                                   [Choristosoria pteroides]
                                                   [Hemionitis pteroides]
                                                   [Hemionitis uyulala]
                                             Pellaea regnelliana
                                                   [Cheilanthes flexuosa]
                                                   [Cheilanthes globuligera]
                                                   [Cheilanthes regnelliana]
                                                   [Hemionitis regnelliana]
                                             Pellaea reynoldsii
                                             Pellaea ribae
                                             Pellaea rotundifolia
                                                   [Allosorus rotundifolius]
                                                   [Hemionitis rotundifolia]
                                                   [Platyloma rotundifolia]
                                                   [Pteris rotundifolia]
                                             Pellaea rufa
                                                   [Hemionitis yikka]
                                             Pellaea sagittata
                                                   [Allosorus sagittatus]
                                                   [Hemionitis emperatricella]
                                                   [Platyloma sagittata]
                                                   [Pteris sagittata]
                                               Pellaea sagittata var. sagittata
                                             Pellaea schippersii
                                             Pellaea striata
                                                   [Hemionitis striata]
                                                   [Pellaea sulcata]
                                                   [Pteris striata]
                                             Pellaea ternifolia
                                               Pellaea ternifolia subsp. arizonica
                                               Pellaea ternifolia subsp. brandegeei
                                                     [Pellaea brandegeei]
                                               Pellaea ternifolia subsp. ternifolia
                                                     [Allosorus subverticillatus]
                                                     [Allosorus ternifolius]
                                                     [Cassebeera ternifolia]
                                                     [Cheilanthes ternifolia]
                                                     [Cheilanthes weddelliana]
                                                     [Hemionitis ternifolia]
                                                     [Notholaena ternifolia]
                                                     [Pellaea lanuginosa]
                                                     [Pellaea ternifolia subsp. weddelliana]
                                                     [Pellaea weddelliana]
                                                     [Platyloma ternifolia]
                                                     [Pteris peruviana]
                                                     [Pteris ternifolia]
                                               Pellaea ternifolia var. ternifolia
                                             Pellaea timorensis
                                                   [Hemionitis timorensis]
                                             Pellaea tomentosa
                                                   [Hemionitis hydornii]
                                             Pellaea tripinnata
                                                   [Allosorus tripinnatus]
                                                   [Hemionitis tripinnata]
                                                   [Pellaea ovalifolia]
                                             Pellaea truncata
                                                   [Hemionitis truncata]
                                             Pellaea villosa
                                                   [Pellaea ternifolia subsp. villosa]
                                             Pellaea viridis
                                                   [Adiantum viride]
                                                   [Allosorus adiantoides]
                                                   [Allosorus viridis]
                                                   [Cassebeera viridis]
                                                   [Cheilanthes hastata var. canonica]
                                                   [Cheilanthes hastata var. stenophylla]
                                                   [Cheilanthes viridis var. viridis]
                                                   [Cheilanthes viridis]
                                                   [Hemionitis viridis]
                                                   [Oeosporangium viride]
                                                   [Pellaea hastata var. minor]
                                                   [Pellaea viridis var. canonica]
                                                   [Pellaea viridis var. incisa]
                                                   [Platyloma adiantoides]
                                                   [Pteridella viridis]
                                                   [Pteris elliptica]
                                                   [Pteris hastata var. minor]
                                                   [Pteris hastifolia]
                                                   [Pteris viridis]
                                               Pellaea viridis var. glauca
                                                     [Cheilanthes viridis var. glauca]
                                                     [Oeosporangium viride var. glauca]
                                                     [Pellaea hastata var. glauca]
                                               Pellaea viridis var. macrophylla
                                                     [Allosorus hastatus var. macrophylla]
                                                     [Cheilanthes hastata var. macrophylla]
                                                     [Cheilanthes macrophylla]
                                                     [Cheilanthes viridis var. macrophylla]
                                                     [Oeosporangium viride var. macrophylla]
                                                     [Pellaea hastata var. macrophylla]
                                                     [Pellaea macrophylla]
                                               Pellaea viridis var. viridis
                                             Pellaea wrightiana
                                                   [Cheilanthes mucronata var. wrightiana]
                                                   [Hemionitis wrightiana]
                                                   [Pellaea ternifolia var. wrightiana]
                                             Pellaea x glaciogena
                                             Pellaea zygophylla
                                             † Pellaea antiquella
                                     Pentagramma
                                             Pentagramma glanduloviscida
                                                   [Hemionitis glanduloviscida]
                                             Pentagramma maxonii
                                                   [Pentagramma triangularis subsp. maxonii]
                                                   [Pityrogramma triangularis var. maxonii]
                                             Pentagramma pallida
                                                   [Hemionitis pallida]
                                                   [Pityrogramma pallida]
                                                   [Pityrogramma triangularis var. pallida]
                                             Pentagramma rebmanii
                                                   [Pentagramma triangularis subsp. rebmanii]
                                             Pentagramma triangularis
                                               Pentagramma triangularis subsp. semipallida
                                                     [Pityrogramma triangularis var. semipallida]
                                                     [Pityrogramma triangularis var. viridis]
                                               Pentagramma triangularis subsp. triangularis
                                                     [Ceropteris triangularis]
                                                     [Gymnogramma triangularis]
                                                     [Gymnopteris triangularis]
                                                     [Hemionitis triangularis]
                                                     [Neurogramma triangularis]
                                                     [Pityrogramma triangularis var. triangularis]
                                                     [Pityrogramma triangularis]
                                             Pentagramma viscosa
                                                   [Gymnogramma viscosa]
                                                   [Hemionitis viscosa]
                                                   [Pityrogramma triangularis var. viscosa]
                                                   [Pityrogramma viscosa]
                                               Pentagramma triangularis subsp. viscosa
                                                     [Ceropteris viscosa]
                                                     [Gymnogramma triangularis var. viscosa]
                                     Trachypteris
                                           [Heteroglossum]
                                           [Saffordia]
                                             Trachypteris drakeana
                                                   [Hemionitis drakeana]
                                             Trachypteris gilliana
                                                   [Acrostichum gillianum]
                                                   [Elaphoglossum gillianum]
                                             Trachypteris induta
                                                   [Hemionitis ilwan]
                                                   [Saffordia induta]
                                             Trachypteris pinnata
                                                   [Acrostichum aureonitens]
                                                   [Chrysodium aureonitens]
                                                   [Elaphoglossum aureonitens]
                                                   [Hemionitis aureonitens]
                                                   [Neurocallis aureonitens]
                                                   [Trachypteris aureonitens]
                                     x Hemionanthes
                                             x Hemionanthes gryphus
                                                   [Cheilanthes gryphus]
                                                   [Hemionitis gryphus]
                              Cryptogrammoideae
                                     Coniogramme
                                           [Dictyogramme]
                                           [Dyctiogramme]
                                           [Neurosorus]
                                           [Notogramme]
                                           [Syngramme]
                                           [x Coniodictyogramme]
                                             Coniogramme affinis
                                                   [Coniogramme affinis var. pilosa]
                                                   [Coniogramme argutiserrata]
                                                   [Grammitis affinis]
                                                   [Gymnogramma affinis]
                                                   [Syngramme fraxinea]
                                             Coniogramme africana
                                                   [Asplenium mary-annae]
                                             Coniogramme bashanensis
                                             Coniogramme denticulatoserrata
                                             Coniogramme emeiensis
                                                   [Coniogramme crenatoserrata]
                                                   [Coniogramme emeiensis var. lancipinna]
                                                   [Coniogramme emeiensis var. salicifolia]
                                                   [Coniogramme longissima]
                                                   [Coniogramme nanchuanensis]
                                                   [Coniogramme xingrenensis]
                                             Coniogramme falcipinna
                                                   [Coniogramme falcipinna var. pilocostata]
                                                   [Coniogramme latipinna]
                                                   [Coniogramme sichuanensis]
                                             Coniogramme fauriei
                                                   [Coniodictyogramme fauriei]
                                                   [Coniogramme japonica var. fauriei]
                                                   [Coniogramme simplicior f. concinna]
                                                   [Coniogramme simplicior]
                                             Coniogramme fraxinea
                                                   [Coniogramme falcata]
                                                   [Coniogramme fraxinea f. connexa]
                                                   [Coniogramme fraxinea f. tripinnata]
                                                   [Coniogramme fraxinea var. copelandii]
                                                   [Coniogramme fraxinea var. coriacea]
                                                   [Coniogramme fraxinea var. tirapensis]
                                                   [Coniogramme gigantea]
                                                   [Coniogramme javanica var. macrophylla]
                                                   [Coniogramme javanica]
                                                   [Coniogramme lanceolata]
                                                   [Coniogramme macrophylla var. copelandii]
                                                   [Coniogramme macrophylla]
                                                   [Coniogramme merrillii]
                                                   [Coniogramme petelotii]
                                                   [Coniogramme subcordata]
                                                   [Diplazium falcatum]
                                                   [Diplazium fraxineum]
                                                   [Gymnogramma falcata]
                                                   [Gymnogramma fraxinea]
                                                   [Gymnogramma javanica]
                                                   [Neurogramma fraxinea]
                                                   [Neurosorus javanicus]
                                                   [Syngramma fraxinea]
                                             Coniogramme gracilis
                                                   [Coniogramme japonica subsp. gracilis]
                                                   [Coniogramme japonica var. gracilis]
                                             Coniogramme intermedia
                                                   [Aleuritopteris duclouxii var. sulphurea]
                                                   [Cheilanthes duclouxii var. sulphurea]
                                                   [Coniogramme fraxinea var. intermedia]
                                                   [Coniogramme guangdongensis]
                                                   [Coniogramme intermedia f. striata]
                                                   [Coniogramme intermedia f. villosa]
                                                   [Coniogramme intermedia var. pulchra]
                                                   [Coniogramme intermedia var. villosa]
                                                   [Coniogramme latibasis]
                                                   [Coniogramme maxima]
                                                   [Coniogramme simillima]
                                             Coniogramme japonica
                                                   [Coniogramme ankangensis]
                                                   [Coniogramme centrochinensis]
                                                   [Dictyogramme japonica]
                                                   [Dyctiogramme japonica]
                                                   [Gymnogramma japonica]
                                                   [Hemionitis japonica]
                                                   [Notogramme japonica]
                                             Coniogramme jinggangshanensis
                                                   [Coniogramme tsingkangshanensis]
                                             Coniogramme madagascariensis
                                                   [Coniogramme fraxinea var. tripinnata]
                                                   [Coniogramme madagascariensis var. tripinnata]
                                             Coniogramme ovata
                                             Coniogramme pilosa
                                                   [Gymnogramma pilosa]
                                             Coniogramme procera
                                                   [Coniogramme parvipinnula]
                                                   [Grammitis procera]
                                                   [Gymnogramma procera]
                                             Coniogramme pubescens
                                                   [Coniogramme caudata var. nepalia]
                                                   [Coniogramme caudata var. salwinensis]
                                                   [Coniogramme spinulosa]
                                                   [Gymnogramma caudata]
                                                   [Gymnogramma fraxinea var. pilosa]
                                                   [Gymnogramma javanica var. spinulosa]
                                                   [Gymnogramma serrulata]
                                             Coniogramme robusta
                                                   [Coniogramme neorobusta]
                                                   [Coniogramme pseudorobusta]
                                                   [Gymnogramma javanica var. robusta]
                                               Coniogramme robusta var. rependula
                                               Coniogramme robusta var. splendens
                                             Coniogramme rosthornii
                                                   [Coniogramme rubescens]
                                                   [Coniogramme taipaishanensis]
                                             Coniogramme rubicaulis
                                             Coniogramme serrulata
                                                   [Coniogramme caudata]
                                                   [Coniogramme caudiformis]
                                                   [Coniogramme fraxinea var. serrulata]
                                                   [Coniogramme glabra]
                                                   [Coniogramme guizhouensis]
                                                   [Coniogramme indica]
                                                   [Coniogramme intermedia var. glabra]
                                                   [Coniogramme kweichowensis]
                                                   [Coniogramme lancangensis]
                                                   [Coniogramme purpurea]
                                                   [Coniogramme serra]
                                                   [Coniogramme squamulosa]
                                                   [Coniogramme taibeiensis]
                                                   [Coniogramme taiwanensis]
                                                   [Grammitis caudata]
                                                   [Gymnogramma serrulatum]
                                             Coniogramme sinensis
                                             Coniogramme suprapilosa
                                             Coniogramme undulata
                                             Coniogramme venusta
                                             Coniogramme wilsonii
                                             † Coniogramme devoli
                                     Cryptogramma
                                           [Phorolobus]
                                             Cryptogramma acrostichoides
                                                   [Allosorus acrostichoides]
                                                   [Allosorus foveolatus]
                                                   [Cryptogramma crispa subsp. acrostichoides]
                                                   [Cryptogramma crispa var. acrostichoides]
                                                   [Cryptogramma stelleri var. foveolata]
                                                   [Gymnogramma acrostichoides]
                                                   [Phorolobus acrostichoides]
                                             Cryptogramma bithynica
                                             Cryptogramma brunoniana
                                               Cryptogramma brunoniana subsp. brunoniana
                                                     [Allosorus brunonianus]
                                                     [Cheilanthes crispa f. indica]
                                                     [Cryptogramma crispa f. indica]
                                                     [Cryptogramma crispa var. brunoniana]
                                                     [Cryptogramma emeiensis]
                                                     [Cryptogramma shensiensis]
                                                     [Gymnogramma brunoniana]
                                                     [Phorolobus brunonianus]
                                               Cryptogramma brunoniana subsp. raddeana
                                                     [Allosorus raddeanus]
                                                     [Cryptogramma brunoniana var. sinensis]
                                                     [Cryptogramma crispa var. sinensis]
                                                     [Cryptogramma raddeana]
                                             Cryptogramma cascadensis
                                             Cryptogramma crispa
                                                   [Acrostichum crispum]
                                                   [Allosorus crispus]
                                                   [Blechnum crispum]
                                                   [Onoclea crispa]
                                                   [Osmunda crispa]
                                                   [Osmunda rupestris]
                                                   [Phorolobus crispus]
                                                   [Polypodium crispum]
                                                   [Pteris crispa]
                                                   [Pteris tenuifolia]
                                                   [Stegania onocleoides]
                                                   [Struthiopteris crispa]
                                               Cryptogramma crispa var. sitchensis
                                             Cryptogramma fumariifolia
                                                   [Allosorus crispus var. chilensis]
                                                   [Allosorus fumariifolius]
                                                   [Cryptogramma crispa var. chilensis]
                                                   [Pellaea fumariifolia]
                                             Cryptogramma gorovoii
                                             Cryptogramma sitchensis
                                                   [Allosorus sitchensis]
                                                   [Cryptogramma stelleri var. sitchensis]
                                             Cryptogramma stelleri
                                                   [Allosorus gracilis]
                                                   [Allosorus minutus]
                                                   [Allosorus stelleri]
                                                   [Cheilanthes gracilis]
                                                   [Cryptogramma gracilis]
                                                   [Pellaea gracilis]
                                                   [Pellaea stelleri]
                                                   [Pteris gracilis]
                                                   [Pteris minuta]
                                                   [Pteris stelleri]
                                     Llavea
                                           [Botryogramme]
                                           [Ceratodactylis]
                                             Llavea cordifolia
                                                   [Allantodia cordifolia]
                                                   [Allosorus cordifolius]
                                                   [Allosorus karwinskii]
                                                   [Asplenium cordifolium]
                                                   [Botryogramme karwinskii]
                                                   [Ceratodactylis osmundioides]
                                                   [Cryptogramma cordifolia]
                              Parkerioideae
                                     Acrostichum
                                           [Chrysodium]
                                             Acrostichum aureum
                                                   [Acrostichum aureum var. hirsutum]
                                                   [Acrostichum aureum var. marginatum]
                                                   [Acrostichum aureum var. urvillei]
                                                   [Acrostichum cayennense]
                                                   [Acrostichum crassifolium]
                                                   [Acrostichum emarginatum]
                                                   [Acrostichum fasciculatum]
                                                   [Acrostichum formosum]
                                                   [Acrostichum guineense]
                                                   [Acrostichum inaequale]
                                                   [Acrostichum juglandifolium]
                                                   [Acrostichum marginatum]
                                                   [Acrostichum obliquum]
                                                   [Acrostichum rigens]
                                                   [Acrostichum scalpturatum]
                                                   [Acrostichum spectabile]
                                                   [Acrostichum urvillei]
                                                   [Acrostichum wightianum]
                                                   [Aspidium emarginatum]
                                                   [Asplenium arifolium]
                                                   [Chrysodium aureum]
                                                   [Chrysodium cayennense]
                                                   [Chrysodium fasciculatum]
                                                   [Chrysodium hirsutum]
                                                   [Chrysodium inaequale]
                                                   [Chrysodium scalpturatum]
                                                   [Chrysodium speciosum]
                                                   [Chrysodium urvillei]
                                                   [Chrysodium vulgare]
                                                   [Gymnogramma arifolia]
                                                   [Hemionitis arifolia]
                                                   [Parahemionitis arifolia]
                                                   [Polystichum emarginatum]
                                             Acrostichum danaeifolium
                                                   [Acrostichum daneifolium f. glabrifolia]
                                                   [Acrostichum daneifolium f. incana]
                                                   [Acrostichum excelsum f. lobatum]
                                                   [Acrostichum excelsum]
                                                   [Acrostichum lomarioides f. lobatum]
                                                   [Chrysodium danaeaefolium]
                                                   [Chrysodium lomarioides var. hastatum]
                                                   [Chrysodium lomarioides]
                                             Acrostichum daneifolium
                                             Acrostichum nicotinanifolium
                                             Acrostichum speciosum
                                                   [Acrostichum aureum var. schmidtii]
                                                   [Acrostichum aureum var. speciosum]
                                                   [Acrostichum calamarium]
                                                   [Acrostichum fraxinifolium]
                                                   [Chrysodium aureum var. schmidtii]
                                                   [Chrysodium fraxinifolium]
                                                   [Leptochilus raapii]
                                             † Acrostichum georgianum
                                             † Acrostichum haddeni
                                             † Acrostichum hesperium
                                             † Acrostichum palaeocenicum
                                             † Acrostichum preaureum
                                     Ceratopteris
                                           [Cryptogenis]
                                           [Ellebocarpus]
                                           [Ellobocarpus]
                                           [Furcaria]
                                           [Parkeria]
                                           [Teleozoma]
                                             Ceratopteris cornuta
                                                   [Ceratopteris thalictroides var. cornuta]
                                                   [Ellobocarpus cornutus]
                                                   [Furcaria cornuta]
                                                   [Onychium cornutum]
                                                   [Pteris cornuta]
                                             Ceratopteris oblongiloba
                                             Ceratopteris pteridioides
                                                   [Ceratopteris lockhartii]
                                                   [Ceratopteris parkeri]
                                                   [Parkeria lockhartii]
                                                   [Parkeria pteridioides]
                                             Ceratopteris pteridoides
                                             Ceratopteris richardii
                                                   [Ceratopteris deltoidea]
                                             Ceratopteris thalictroides
                                               Ceratopteris thalictroides subsp. gaudichaudii
                                                     [Ceratopteris gaudichaudii var. vulgaris]
                                                     [Ceratopteris gaudichaudii]
                                               Ceratopteris thalictroides subsp. thalictroides
                                                     [Acrostichum siliquosum]
                                                     [Acrostichum thalictroides]
                                                     [Belvisia siliquosa]
                                                     [Ceratopteris froesii]
                                                     [Ceratopteris richardi]
                                                     [Ceratopteris siliquosa]
                                                     [Ceratopteris succulenta]
                                                     [Cryptogenis ferulacea]
                                                     [Ellobocarpus oleraceus]
                                                     [Furcaria thalictroides]
                                                     [Naias obvoluta]
                                                     [Pteris siliquosa]
                                                     [Pteris succulenta]
                                                     [Pteris thalictroides]
                                                     [Teleozoma thalictroides]
                              Pteridoideae
                                     Actiniopteris
                                             Actiniopteris australis
                                                   [Acropteris australis]
                                                   [Acropteris radiata var. australis]
                                                   [Acrostichum australe]
                                                   [Actiniopteris dichotoma var. australis]
                                                   [Asplenium australe]
                                                   [Belvisia australis]
                                                   [Blechnum flabellatum]
                                                   [Pteris australis]
                                                   [Pteris dichotoma var. australis]
                                                   [Pteris dichotoma var. elongata]
                                             Actiniopteris dimorpha
                                               Actiniopteris dimorpha subsp. dimorpha
                                               Actiniopteris dimorpha subsp. diversiformis
                                             Actiniopteris pauciloba
                                                   [Actiniopteris kornasii]
                                                   [Actiniopteris pauciloba var. stricta]
                                             Actiniopteris radiata
                                                   [Acropteris dichotoma]
                                                   [Acropteris radiata]
                                                   [Acrostichum radiatum]
                                                   [Actiniopteris australis var. radiata]
                                                   [Actiniopteris dichotoma]
                                                   [Asplenium polydactylon]
                                                   [Asplenium radiatum]
                                                   [Blechnum radiatum]
                                                   [Pteris dichotoma]
                                                   [Pteris radiata]
                                             Actiniopteris semiflabellata
                                     Anogramma
                                           [Dicranodium]
                                             Anogramma leptophylla
                                                   [Acrostichum leptophyllum]
                                                   [Anogramma caespitosa]
                                                   [Anogramma guatemalensis]
                                                   [Asplenium geminaria]
                                                   [Asplenium leptophyllum]
                                                   [Dicranodium leptophyllum]
                                                   [Didymochlaena lunulata var. microphylla]
                                                   [Grammitis adiantoides]
                                                   [Grammitis leptophylla]
                                                   [Gymnogramma chaerophylla var. cryptogrammoides]
                                                   [Gymnogramma leptophylla var. pinnata]
                                                   [Gymnogramma leptophylla]
                                                   [Gymnogramma novae-zealandiae]
                                                   [Hemionitis leptophylla]
                                                   [Osmunda leptophylla]
                                                   [Pityrogramma guatemalensis]
                                                   [Pityrogramma leptophylla]
                                                   [Polypodium leptophyllum]
                                                   [Tarachia geminaria]
                                             Anogramma lorentzii
                                                   [Gymnogramma lorentzii]
                                                   [Gymnogramma regnelliana var. megaspora]
                                                   [Gymnogramma regnelliana]
                                                   [Pityrogramma lorentzii]
                                             Anogramma reichsteinii
                                     Austrogramme
                                           [Aspleniopsis]
                                             Austrogramme asplenioides
                                                   [Aspleniopsis asplenioides]
                                                   [Rheopteris asplenioides]
                                             Austrogramme boerlageana
                                                   [Aspleniopsis boerlageana]
                                                   [Syngramma boerlageana]
                                             Austrogramme decipiens
                                                   [Aspleniopsis decipiens]
                                                   [Aspleniopsis gymnogramme]
                                                   [Gymnogramma decipiens]
                                             Austrogramme francii
                                                   [Syngramma francii var. intermedia]
                                                   [Syngramma francii]
                                             Austrogramme luzonica
                                                   [Syngramma luzonica]
                                                   [Taenitis luzonica]
                                             Austrogramme marginata
                                                   [Gymnogramma marginata]
                                                   [Neurogramma marginata]
                                                   [Syngramma marginata]
                                                   [Trichiogramme marginata]
                                     Cerosora
                                           [Idiogramma]
                                             Cerosora argentea
                                                   [Anogramma conspersa]
                                                   [Anogramma rosea]
                                                   [Ceropteris argentea]
                                                   [Gymnogramma argentea var. madagascarica]
                                                   [Gymnogramma argentea]
                                                   [Gymnogramma conspersa]
                                                   [Gymnogramma rosea]
                                                   [Gymnogramma thiebautii]
                                                   [Hemionitis argentea]
                                                   [Pityrogramma argentea]
                                               Cerosora argentea var. aurea
                                                     [Ceropteris argentea var. aurea]
                                                     [Gymnogramma argentea var. aurea]
                                                     [Gymnogramma aurea]
                                                     [Hemionitis aurea]
                                                     [Pityrogramma argentea var. aurea]
                                                     [Pityrogramma aurea]
                                             Cerosora chrysosora
                                                   [Ceropteris chrysosora]
                                                   [Gymnogramma chrysosora]
                                             Cerosora microphylla
                                                   [Anogramma microphylla]
                                                   [Grammitis microphylla]
                                                   [Gymnogramma microphylla]
                                                   [Idiogramma microphylla]
                                                   [Pityrogramma microphylla]
                                             Cerosora sumatrana
                                     Cosentinia
                                             Cosentinia vellea
                                               Cosentinia vellea subsp. bivalens
                                                     [Cheilanthes catanensis subsp. bivalens]
                                                     [Cheilanthes vellea subsp. bivalens]
                                                     [Notholaena lanuginosa subsp. bivalens]
                                               Cosentinia vellea subsp. vellea
                                                     [Acrostichum catanense]
                                                     [Acrostichum denticulatum]
                                                     [Acrostichum lanuginosum]
                                                     [Acrostichum velleum]
                                                     [Cheilanthes catanensis]
                                                     [Cheilanthes vellea]
                                                     [Cincinalis vellea]
                                                     [Cosentinia catanensis]
                                                     [Hemionitis lanuginosa]
                                                     [Notholaena lanuginosa]
                                                     [Notholaena plukenetii]
                                                     [Notholaena vellea f. cheilanthoides]
                                                     [Notholaena vellea]
                                     Gastoniella
                                             Gastoniella ascensionis
                                                   [Anogramma ascensionis]
                                                   [Grammitis ascensionis]
                                                   [Gymnogramma ascensionis]
                                                   [Pityrogramma ascensionis]
                                             Gastoniella chaerophylla
                                                   [Anogramma chaerophylla]
                                                   [Gymnogramma chaerophylla]
                                                   [Hemionitis chaerophylla]
                                                   [Pityrogramma chaerophylla]
                                             Gastoniella novogaliciana
                                                   [Anogramma novogaliciana]
                                     Jamesonia
                                           [Eriosorus]
                                           [Nephopteris]
                                           [Psilogramme]
                                           [x Eriosonia]
                                             Jamesonia accrescens
                                                   [Eriosorus accrescens]
                                             Jamesonia alstonii
                                             Jamesonia angusta
                                                   [Eriosorus angustus]
                                             Jamesonia ascendens
                                                   [Eriosorus ascendens]
                                             Jamesonia aureonitens
                                                   [Eriosorus aureonitens]
                                                   [Eriosorus scandens]
                                                   [Gymnogramma aureo-nitens]
                                                   [Gymnogramma scandens]
                                                   [Psilogramme aureo-nitens]
                                             Jamesonia auriculata
                                             Jamesonia biardii
                                                   [Anogramma biardii]
                                                   [Eriosorus biardii]
                                                   [Gymnogramma biardii]
                                                   [Gymnogramma extensa]
                                                   [Psilogramme biardii]
                                             Jamesonia blepharum
                                             Jamesonia bogotensis
                                                   [Gymnogramma bogotensis]
                                             Jamesonia boliviensis
                                             Jamesonia brasiliensis
                                             Jamesonia canescens
                                                   [Gymnogramma canescens]
                                                   [Jamesonia imbricata var. canescens]
                                                   [Jamesonia imbricata var. nivea]
                                                   [Jamesonia nivea]
                                                   [Psilogramme canescens]
                                                   [Psilogramme nivea]
                                             Jamesonia caracasana
                                                   [Eriosorus caracasanus]
                                                   [Gymnogramma caracasana]
                                                   [Psilogramme caracasana]
                                             Jamesonia ceracea
                                             Jamesonia cheilanthoides
                                                   [Asplenium filipendulifolium]
                                                   [Eriosorus cheilanthoides]
                                                   [Grammitis cheilanthoides]
                                                   [Gymnogramma cheilanthoides]
                                                   [Gymnogramma filipendulifolia]
                                                   [Psilogramme cheilanthoides]
                                             Jamesonia chiapensis
                                                   [Eriosorus chiapensis]
                                                   [Gymnogramma chiapensis]
                                                   [Psilogramme chiapensis]
                                             Jamesonia cinnamomea
                                                   [Gymnogramma cinnamomea]
                                                   [Jamesonia brunnea]
                                                   [Jamesonia imbricata var. cinnamomea]
                                                   [Psilogramme cinnamomea]
                                             Jamesonia congesta
                                                   [Eriosorus congestus]
                                                   [Gymnogramma congesta]
                                                   [Psilogramme congesta]
                                             Jamesonia crespiana
                                             Jamesonia cuatrecasasii
                                             Jamesonia elongata
                                                   [Eriosorus elongatus]
                                                   [Gymnogramma angustifrons]
                                                   [Gymnogramma elongata]
                                                   [Jamesonia bipinnata]
                                                   [Psilogramme elongata]
                                             Jamesonia ewanii
                                                   [Eriosorus ewanii]
                                             Jamesonia feei
                                                   [Eriosorus feei]
                                                   [Neurogramma scandens]
                                             Jamesonia flabellata
                                                   [Eriosorus flabellatus]
                                                   [Gymnogramma flabellata]
                                                   [Psilogramme flabellata]
                                             Jamesonia flexuosa
                                                   [Anogramma bifida]
                                                   [Anogramma ruiziana]
                                                   [Cryptogramma retrofracta]
                                                   [Eriosorus flexuosus var. flexuosus]
                                                   [Eriosorus flexuosus var. galeanus]
                                                   [Eriosorus flexuosus]
                                                   [Eriosorus retrofractus]
                                                   [Eriosorus villosulus]
                                                   [Grammitis flexuosa]
                                                   [Gymnogramma flexuosa var. peruviana]
                                                   [Gymnogramma flexuosa]
                                                   [Gymnogramma haematodes]
                                                   [Gymnogramma kunzei]
                                                   [Gymnogramma recurvata]
                                                   [Gymnogramma refracta]
                                                   [Gymnogramma retrofracta]
                                                   [Gymnogramma ruiziana]
                                                   [Gymnogramma villosula]
                                                   [Psilogramme flexuosa]
                                                   [Psilogramme haematodes]
                                                   [Psilogramme refracta]
                                                   [Psilogramme villosula]
                                             Jamesonia galeana
                                             Jamesonia glaberrima
                                                   [Eriosorus glaberrimus]
                                                   [Gymnogramma glaberrima]
                                                   [Psilogramme glaberrima]
                                             Jamesonia glandulifera
                                             Jamesonia glaziovii
                                                   [Eriosorus glaziovii]
                                                   [Gymnogramma felipponei]
                                             Jamesonia goudotii
                                                   [Gymnogramma goudotii]
                                             Jamesonia hirsutula
                                                   [Eriosorus hirsutulus]
                                                   [Gymnogramma hirsutula]
                                                   [Gymnogramma karstenii]
                                                   [Psilogramme hirsutula]
                                                   [Psilogramme karstenii]
                                             Jamesonia hirta
                                                   [Anogramma laserpitiifolia]
                                                   [Anogramma petroselinifolia]
                                                   [Eriosorus hirtus var. glandulosus]
                                                   [Eriosorus hirtus var. hirtus]
                                                   [Eriosorus hirtus var. laserpitifolia]
                                                   [Eriosorus hirtus]
                                                   [Grammitis hirta]
                                                   [Gymnogramma cubensis]
                                                   [Gymnogramma glandulosa]
                                                   [Gymnogramma hirta]
                                                   [Gymnogramma laserpitiifolia]
                                                   [Gymnogramma petroselinifolia]
                                                   [Psilogramme cubensis]
                                                   [Psilogramme glandulosa]
                                                   [Psilogramme hirta]
                                             Jamesonia hispidula
                                                   [Anogramma hispidula]
                                                   [Anogramma ottonis]
                                                   [Anogramma schomburgkiana]
                                                   [Eriosorus hispidulus var. dominicensis]
                                                   [Eriosorus hispidulus var. hispidulus]
                                                   [Eriosorus hispidulus]
                                                   [Eriosorus ottonis]
                                                   [Eriosorus schomburgkianus]
                                                   [Gymnogramma hispidula]
                                                   [Gymnogramma ottonis]
                                                   [Gymnogramma portoricensis]
                                                   [Gymnogramma schomburgkiana]
                                                   [Psilogramme hispidula]
                                                   [Psilogramme ottonis]
                                                   [Psilogramme portoricensis]
                                                   [Psilogramme schomburgkiana]
                                             Jamesonia hookeri
                                                   [Gymnogramma hookeri]
                                                   [Psilogramme hookeri]
                                             Jamesonia imbricata
                                                   [Allosorus imbricatus]
                                                   [Cheilanthes imbricata]
                                                   [Gymnogramma ciliata]
                                                   [Gymnogramma imbricata]
                                                   [Gymnogramma mayoris]
                                                   [Jamesonia ciliata]
                                                   [Jamesonia imbricata var. gracilis]
                                                   [Jamesonia imbricata var. meridensis]
                                                   [Jamesonia mayoris]
                                                   [Psilogramme imbricata]
                                                   [Pteris imbricata]
                                                   [Pteris orbiculata]
                                               Jamesonia imbricata var. culebriliensis
                                               Jamesonia imbricata var. glutinosa
                                                     [Gymnogramma glutinosa]
                                                     [Jamesonia glutinosa]
                                                     [Psilogramme glutinosa]
                                             Jamesonia incognita
                                                   [Eriosonia incognita]
                                             Jamesonia insignis
                                                   [Eriosorus insignis]
                                                   [Gymnogramma insignis]
                                                   [Psilogramme insignis]
                                             Jamesonia kupperi
                                                   [Eriosonia kupperi]
                                                   [Gymnogramma kupperi]
                                             Jamesonia lasseri
                                                   [Eriosorus lasseri]
                                             Jamesonia laxa
                                                   [Gymnogramma laxa]
                                                   [Psilogramme laxa]
                                             Jamesonia lechleri
                                                   [Eriosorus lechleri]
                                                   [Gymnogramma lechleri]
                                                   [Psilogramme lechleri]
                                             Jamesonia lindigii
                                                   [Eriosorus lindigii]
                                                   [Gymnogramma lindigii]
                                                   [Psilogramme lindigii]
                                             Jamesonia longifolia
                                                   [Eriosonia longifolia]
                                                   [Gymnogramma longifolia]
                                             Jamesonia longipetiolata
                                                   [Eriosorus longipetiolatus]
                                                   [Gymnogramma longipetiolata]
                                             Jamesonia madidiensis
                                                   [Eriosorus madidiensis]
                                             Jamesonia mathewsii
                                                   [Eriosorus mathewsii]
                                                   [Gymnogramma mathewsii]
                                                   [Psilogramme mathewsii]
                                             Jamesonia maxonii
                                                   [Nephopteris maxonii]
                                             Jamesonia novogranatensis
                                                   [Eriosorus novogranatensis]
                                             Jamesonia orbignyana
                                                   [Eriosorus orbignyanus]
                                                   [Gymnogramma orbignyana]
                                                   [Gymnogramma prehensibilis]
                                                   [Psilogramme orbignyana]
                                             Jamesonia osteniana
                                                   [Anogramma osteniana]
                                             Jamesonia panamensis
                                             Jamesonia paucifolia
                                                   [Eriosorus paucifolius]
                                                   [Gymnogramma paucifolia]
                                                   [Psilogramme paucifolia]
                                               Jamesonia paucifolia var. neblinae
                                                     [Eriosorus paucifolius var. neblinae]
                                               Jamesonia paucifolia var. steyermarkii
                                                     [Eriosorus paucifolius var. steyermarkii]
                                             Jamesonia peruviana
                                             Jamesonia pulchra
                                                   [Gymnogramma glabra]
                                                   [Jamesonia glabra]
                                             Jamesonia refracta
                                             Jamesonia retroflexa
                                             Jamesonia retrofracta
                                             Jamesonia robusta
                                                   [Gymnogramma robusta]
                                             Jamesonia rollaliciana
                                                   [Eriosonia rollaliciana]
                                             Jamesonia rotundifolia
                                                   [Gymnogramma rotundifolia]
                                                   [Psilogramme rotundifolia]
                                             Jamesonia rufescens
                                                   [Eriosorus rufescens]
                                                   [Gymnogramma mohriaeformis]
                                                   [Gymnogramma rufescens]
                                                   [Psilogramme rufescens]
                                             Jamesonia scalaris
                                                   [Gymnogramma scalaris]
                                                   [Jamesonia imbricata var. laxa]
                                                   [Jamesonia imbricata var. scalaris]
                                                   [Psilogramme scalaris]
                                             Jamesonia scammanae
                                             Jamesonia scammaniae
                                             Jamesonia setulosa
                                                   [Eriosorus setulosus]
                                                   [Gymnogramma setulosa]
                                             Jamesonia stuebelii
                                                   [Eriosorus stuebelii]
                                                   [Gymnogramma stuebelii]
                                             Jamesonia vellea
                                                   [Eriosorus velleus]
                                                   [Gymnogramma vellea]
                                             Jamesonia verticalis
                                                   [Gymnogramma tolimensis]
                                                   [Gymnogramma verticalis var. humilis]
                                                   [Gymnogramma verticalis]
                                                   [Jamesonia imbricata var. pearcei]
                                                   [Jamesonia imbricata var. verticalis]
                                                   [Jamesonia pearcei]
                                                   [Jamesonia tolimensis]
                                                   [Psilogramme verticalis]
                                             Jamesonia warscewiczii
                                                   [Eriosorus warscewiczii]
                                                   [Gymnogramma jimenezii]
                                                   [Gymnogramma warscewiczii]
                                                   [Psilogramme jimenezii]
                                                   [Psilogramme warscewiczii]
                                             Jamesonia wurdackii
                                                   [Eriosorus wurdackii]
                                             Jamesonia x incognita
                                             Jamesonia x kupperi
                                             Jamesonia x lasseri
                                             Jamesonia x longifolia
                                             Jamesonia x rollaliciana
                                     Onychium
                                           [Leptostegia]
                                             Onychium cryptogrammoides
                                               Onychium cryptogrammoides subsp. cryptogrammoides
                                                     [Cheilanthes contigua]
                                                     [Onychium japonicum var. intermedium]
                                                     [Onychium japonicum var. multisectum]
                                                     [Onychium multisectum]
                                               Onychium cryptogrammoides subsp. fragile
                                                     [Onychium fragile]
                                             Onychium divaricatum
                                                   [Allosorus cuspidatus]
                                                   [Allosorus melanolepis]
                                                   [Cheilanthes leptophylla]
                                                   [Cryptogramma melanolepis]
                                                   [Onychium melanolepis]
                                                   [Pteris melanolepis]
                                                   [Trichomanes divaricatum]
                                             Onychium japonicum
                                                   [Allosorus capensis]
                                                   [Asplenium japonicum]
                                                   [Asplenium swartzianum]
                                                   [Caenopteris japonica]
                                                   [Cryptogramma japonica]
                                                   [Darea japonica]
                                                   [Onychium capense]
                                                   [Onychium carvifolium]
                                                   [Onychium chinense]
                                                   [Onychium japonicum f. echizenense]
                                                   [Pteris japonica]
                                             Onychium kholianum
                                             Onychium lucidum
                                                   [Cheilanthes lucida]
                                                   [Leptostegia lucida]
                                                   [Onychium contiguum]
                                                   [Onychium dulongjiangense]
                                                   [Onychium japonicum var. lucidum]
                                                   [Onychium tibeticum]
                                             Onychium moupinense
                                                   [Onychium angustifrons]
                                                   [Onychium japonicum subsp. moupinense]
                                               Onychium moupinense var. ipii
                                                     [Onychium ipii]
                                             Onychium plumosum
                                                   [Ophioglossum japonicum var. parvisorum]
                                             Onychium siliculosum
                                                   [Acrostichum viviparum]
                                                   [Allosorus auratus]
                                                   [Cryptogramma aurata]
                                                   [Lomaria aurea]
                                                   [Lomaria carvifolia]
                                                   [Lomaria decomposita]
                                                   [Onychium auratum]
                                                   [Onychium aureum]
                                                   [Onychium chrysocarpum]
                                                   [Onychium siliculosum var. chrysocarpum]
                                                   [Onychium tenue]
                                                   [Onychium viviparum]
                                                   [Phorolobus siliculosum]
                                                   [Pteris aurata]
                                                   [Pteris chrysosperma]
                                                   [Pteris daucifolia]
                                                   [Pteris siliculosa]
                                             Onychium tenuifrons
                                                   [Onychium japonicum var. delavayi]
                                             Onychium vermae
                                             Onychium x matsumotoi
                                     Pityrogramma
                                           [Calomelanos]
                                           [Ceropteris]
                                           [Neurogramma]
                                           [Oligolepis]
                                           [Pityromeria]
                                           [Trismeria]
                                             Pityrogramma aurantiaca
                                                   [Gymnogramma aurantiaca f. decolorata]
                                                   [Gymnogramma aurantiaca]
                                             Pityrogramma calomelanos
                                                   [Acrostichum album]
                                                   [Acrostichum calomelanos f. sulfurea]
                                                   [Acrostichum calomelanos]
                                                   [Ceropteris calomelaena]
                                                   [Ceropteris calomelanos]
                                                   [Ceropteris martensii]
                                                   [Ceropteris massonii]
                                                   [Ceropteris serrata]
                                                   [Gymnogramma bidentata]
                                                   [Gymnogramma calomelanos f. epruinata]
                                                   [Gymnogramma calomelanos f. flavofarinosa]
                                                   [Gymnogramma calomelanos var. denudata]
                                                   [Gymnogramma calomelanos var. martensii]
                                                   [Gymnogramma calomelanos]
                                                   [Gymnogramma hybrida]
                                                   [Gymnogramma martensii]
                                                   [Gymnogramma massonii]
                                                   [Gymnogramma serrata]
                                                   [Neurogramma calomelanos]
                                                   [Pityrogramma albicans]
                                                   [Pityrogramma chamaesorbus]
                                                   [Pityrogramma consimilis]
                                                   [Pityrogramma hybrida]
                                                   [Pityrogramma insularis]
                                                   [Pityrogramma intermedia]
                                                   [Pityrogramma mira]
                                                   [Pityrogramma tenerrima]
                                               Pityrogramma calomelanos var. aureoflava
                                                     [Pityrogramma austroamericana]
                                                     [Pityrogramma calomelanos var. austroamericana]
                                               Pityrogramma calomelanos var. calomelanos
                                               Pityrogramma calomelanos var. integrifoliolata
                                             Pityrogramma chrysoconia
                                                   [Acrostichum chrysoconium]
                                                   [Allosorus farinosus]
                                                   [Ceropteris guianensis]
                                                   [Gymnogramma calomelanos var. farinosa]
                                                   [Gymnogramma chrysoconia]
                                                   [Gymnogramma guianensis]
                                                   [Gymnogramma ornithopteris]
                                                   [Pityrogramma decomposita]
                                                   [Pityrogramma ornithopteris f. densipinnula]
                                                   [Pityrogramma ornithopteris f. denudata]
                                                   [Pityrogramma ornithopteris f. elatior]
                                                   [Pityrogramma ornithopteris f. seminigripes]
                                                   [Pityrogramma ornithopteris var. decomposita]
                                                   [Pityrogramma ornithopteris var. guianensis]
                                                   [Pityrogramma ornithopteris]
                                                   [Pityrogramma tartarea var. ornithopteris]
                                             Pityrogramma chrysophylla
                                                   [Acrostichum chrysophyllum]
                                                   [Ceropteris calomelanos var. chrysophylla]
                                                   [Ceropteris chrysophylla]
                                                   [Ceropteris herminieri]
                                                   [Ceropteris intermedia]
                                                   [Ceropteris lherminieri]
                                                   [Gymnogramma alstonii]
                                                   [Gymnogramma brackenridgei]
                                                   [Gymnogramma calomelanos var. chrysophylla]
                                                   [Gymnogramma chrysophylla var. laucheana]
                                                   [Gymnogramma chrysophylla]
                                                   [Gymnogramma chrysophyllum]
                                                   [Gymnogramma cordreyi]
                                                   [Gymnogramma farinifera]
                                                   [Gymnogramma heyderi]
                                                   [Gymnogramma laucheana]
                                                   [Gymnogramma lherminieri]
                                                   [Gymnogramma parsonsii]
                                                   [Gymnogramma spectabilis]
                                                   [Pityrogramma brackenridgei]
                                                   [Pityrogramma calomelanos var. chrysophylla]
                                                   [Pityrogramma caribaea]
                                                   [Pityrogramma chrysophylla var. divulgata]
                                                   [Pityrogramma chrysophylla var. dominicensis]
                                                   [Pityrogramma chrysophylla var. euchrysa]
                                                   [Pityrogramma chrysophylla var. plumeriana]
                                                   [Pityrogramma martinicensis]
                                                   [Pityrogramma montserratensis]
                                               Pityrogramma chrysophylla var. gabrielae
                                               Pityrogramma chrysophylla var. subflexuosa
                                                     [Pityrogramma subflexuosa]
                                             Pityrogramma concolor
                                                   [Pityromeria concolor]
                                             Pityrogramma dealbata
                                                   [Ceropteris schaffneri]
                                                   [Gymnogramma dealbata]
                                                   [Gymnogramma schaffneri]
                                                   [Pityrogramma schaffneri]
                                             Pityrogramma dukei
                                             Pityrogramma eggersii
                                                   [Anogramma eggersii]
                                                   [Gymnogramma eggersii]
                                             Pityrogramma euchrysa
                                             Pityrogramma ferruginea
                                                   [Ceropteris ferruginea]
                                                   [Eriosorus ruizianus]
                                                   [Gymnogramma bommeri]
                                                   [Gymnogramma ferruginea var. lanata]
                                                   [Gymnogramma ferruginea]
                                                   [Gymnogramma lanata]
                                                   [Gymnopteris ferruginea]
                                                   [Neurogramma ferruginea]
                                             Pityrogramma florentina
                                                   [Pityromeria florentina]
                                             Pityrogramma herzogii
                                                   [Gymnogramma herzogii]
                                                   [Pityromeria herzogii]
                                             Pityrogramma hirsuta
                                             Pityrogramma humbertii
                                               Pityrogramma humbertii var. elongata
                                                     [Pityrogramma elongata]
                                             Pityrogramma lehmannii
                                                   [Gymnogramma lehmannii]
                                             Pityrogramma longipes
                                                   [Ceropteris longipes]
                                                   [Gymnogramma longipes]
                                                   [Pityromeria longipes]
                                                   [Trismeria longipes]
                                             Pityrogramma ochracea
                                                   [Acrostichum caudatum]
                                                   [Ceropteris adiantoides var. peruviana]
                                                   [Ceropteris adiantoides]
                                                   [Ceropteris ochracea]
                                                   [Ceropteris tartarea var. ochracea]
                                                   [Gymnogramma adiantoides]
                                                   [Gymnogramma balliviani]
                                                   [Gymnogramma calomelanos var. ochracea]
                                                   [Gymnogramma ochracea]
                                                   [Gymnogramma tartarea var. ochracea]
                                                   [Pityrogramma adiantoides]
                                                   [Pityrogramma balliviani]
                                                   [Pityrogramma calomelanos var. ochracea]
                                                   [Pityrogramma caudata]
                                                   [Pityrogramma perelegans]
                                                   [Pityrogramma tartarea var. ochracea]
                                             Pityrogramma opalescens
                                             Pityrogramma pearcei
                                                   [Gymnogramma pearcei]
                                             Pityrogramma pulchella
                                                   [Gymnogramma pulchella]
                                             Pityrogramma rupicola
                                             Pityrogramma schizophylla
                                                   [Anogramma schizophylla]
                                                   [Gymnogramma elegantissima]
                                                   [Gymnogramma schizophylla var. elegantissima]
                                                   [Gymnogramma schizophylla]
                                                   [Psilogramme schizophylla]
                                             Pityrogramma sulphurea
                                                   [Acrostichum sulphureum]
                                                   [Ceropteris sulphurea]
                                                   [Gymnogramma calomelanos f. sulphurea]
                                                   [Gymnogramma sulphurea var. wilsonii]
                                                   [Gymnogramma sulphurea]
                                             Pityrogramma tartarea
                                                   [Acrostichum ebeneum]
                                                   [Acrostichum tartareum]
                                                   [Ceropteris pallescens]
                                                   [Ceropteris peruviana]
                                                   [Ceropteris plicata]
                                                   [Ceropteris tartarea]
                                                   [Gymnogramma calomelanos f. peruviana]
                                                   [Gymnogramma calomelanos f. tartarea]
                                                   [Gymnogramma calomelanos var. peruviana]
                                                   [Gymnogramma calomelanos var. tartarea]
                                                   [Gymnogramma jamesonii]
                                                   [Gymnogramma pallescens]
                                                   [Gymnogramma peruviana]
                                                   [Gymnogramma plicata]
                                                   [Gymnogramma tartarea]
                                                   [Hemionitis dealbata]
                                                   [Neurogramma peruviana]
                                                   [Neurogramma tartareum]
                                                   [Pityrogramma calomelanos var. peruviana]
                                                   [Pityrogramma dualis]
                                                   [Pityrogramma ebenea var. ebenea]
                                                   [Pityrogramma ebenea]
                                                   [Pityrogramma peruviana]
                                                   [Pityrogramma tartarea var. arcuata]
                                                   [Pityrogramma tartarea var. delicatula]
                                                   [Pityrogramma tartarea var. fallax]
                                                   [Pityrogramma tartarea var. kalbreyeri]
                                                   [Pityrogramma tartarea var. mathewsii]
                                                   [Pityrogramma tartarea var. pteridioides]
                                                   [Pityrogramma tripinnata]
                                               Pityrogramma tartarea var. aurata
                                                     [Gymnogramma tartarea var. aurata]
                                                     [Pityrogramma ebenea var. aurata]
                                                     [Pityrogramma presliana var. herzogii]
                                                     [Pityrogramma presliana]
                                               Pityrogramma tartarea var. jamesonii
                                                     [Cryptogramma jamesonii]
                                                     [Pityrogramma jamesonii]
                                               Pityrogramma tartarea var. tartarea
                                             Pityrogramma triangulata
                                                   [Ceropteris triangulata]
                                                   [Gymnogramma triangulata]
                                                   [Pityrogramma jamaicensis]
                                             Pityrogramma trifoliata
                                                   [Ceropteris trifoliata]
                                                   [Gymnogramma trifoliata]
                                                   [Hemionitis trifoliata]
                                                   [Trismeria argentea]
                                                   [Trismeria aurea]
                                                   [Trismeria microphylla]
                                                   [Trismeria trifoliata]
                                             Pityrogramma williamsii
                                             Pityrogramma x concolor
                                             Pityrogramma x florentina
                                             Pityrogramma x herzogii
                                             Pityrogramma x longipes
                                             Pityrogramma x mckenneyi
                                     Platyloma
                                             Platyloma falcatum
                                     Pteris
                                           [Afropteris]
                                           [Anopteris]
                                           [Campteria]
                                           [Copelandiopteris]
                                           [Hemipteris]
                                           [Heterophlebium]
                                           [Heteropteris]
                                           [Idiopteris]
                                           [Lathyropteris]
                                           [Lemapteris]
                                           [Litobrochia]
                                           [Neurocallis]
                                           [Ochropteris]
                                           [Peripteris]
                                           [Phyllitis]
                                           [Platyzoma]
                                           [Pterilis]
                                           [Pycnodoria]
                                           [Schizostege]
                                           [Schizostegopsis]
                                             Pteris actiniopteroides
                                                   [Pteris cretica var. melanocaulis]
                                             Pteris albersii
                                               Pteris albersii subsp. albersii
                                               Pteris albersii subsp. mufindiensis
                                               Pteris albersii subsp. uaraguessensis
                                             Pteris albertiae
                                             Pteris altissima
                                                   [Litobrochia altissima]
                                                   [Litobrochia arborescens]
                                                   [Litobrochia elata]
                                                   [Litobrochia grandis]
                                                   [Litobrochia intermedia]
                                                   [Litobrochia karsteniana]
                                                   [Litobrochia kunzeana]
                                                   [Litobrochia macroptera]
                                                   [Litobrochia schiedeana]
                                                   [Pteris altissima var. karsteniana]
                                                   [Pteris deflexa var. lata]
                                                   [Pteris elata var. karsteniana]
                                                   [Pteris elata]
                                                   [Pteris grandis]
                                                   [Pteris intermedia]
                                                   [Pteris kunzeana]
                                                   [Pteris lata]
                                                   [Pteris macroptera]
                                                   [Pteris palustris]
                                                   [Pteris protea]
                                                   [Pteris schiedeana]
                                                   [Pteris sterilis]
                                             Pteris amoena
                                                   [Pteris maclurei]
                                                   [Pteris nakasimae]
                                                   [Pteris porphyrophlebia]
                                                   [Pteris purpureorachis]
                                                   [Pteris tokioi var. yakusimensis]
                                                   [Pteris tokioi]
                                                   [Pteris yakusimensis]
                                             Pteris andamanica
                                             Pteris angustata
                                                   [Litobrochia angustata]
                                                   [Pteris paulistana]
                                             Pteris angustipinna
                                             Pteris angustipinnula
                                             Pteris anopteris
                                                   [Anopteris hexagona subsp. intermedia]
                                                   [Anopteris intermedia]
                                             Pteris appendiculifera
                                             Pteris arborea
                                                   [Litobrochia aculeata]
                                                   [Litobrochia agardhii]
                                                   [Litobrochia biformis]
                                                   [Litobrochia brevinervis]
                                                   [Litobrochia crassipes]
                                                   [Litobrochia lactuca]
                                                   [Litobrochia longibrachiata]
                                                   [Litobrochia varians]
                                                   [Polypodium spinosum]
                                                   [Pteris aculeata]
                                                   [Pteris brevinervis]
                                                   [Pteris lactuca]
                                                   [Pteris longibrachiata]
                                                   [Pteris longibracteata]
                                                   [Pteris multiserialis]
                                                   [Pteris spinosa]
                                               Pteris arborea f. regia
                                                     [Pteris regia]
                                             Pteris argyraea
                                                   [Pteris confusa]
                                                   [Pteris quadriaurita var. argentea]
                                             Pteris arisanensis
                                                   [Pteris biaurita var. intermittens]
                                                   [Pteris linearis var. manipurensis]
                                                   [Pteris pseudoconfusa]
                                                   [Pteris vijaynagarense]
                                             Pteris arisanesis
                                             Pteris armata
                                             Pteris aspericaulis
                                                   [Pteris aspericaulis var. cuspigera]
                                                   [Pteris bomiensis]
                                                   [Pteris cuspigera]
                                                   [Pteris pseudoquadriaurita]
                                                   [Pteris quadriaurita var. aspericaulis]
                                                   [Pteris shimianensis]
                                               Pteris aspericaulis var. aspericaulis
                                             Pteris assamica
                                             Pteris atrovirens
                                                   [Litobrochia spinulifera]
                                                   [Pteris atrovirens var. inermis]
                                                   [Pteris spinulifera]
                                                   Pteris atrovirens f. atrovirens
                                               Pteris atrovirens f. laevicosta
                                             Pteris auquieri
                                             Pteris bahamensis
                                                   [Pteris diversifolia var. bahamensis]
                                                   [Pteris longifolia var. bahamensis]
                                                   [Pycnodoria bahamensis]
                                                   [Pycnodoria pinetorum]
                                             Pteris bakeri
                                                   [Pteris decomposita]
                                             Pteris baksaensis
                                             Pteris balansae
                                                   [Pteris balansae var. polymorpha]
                                                   [Pteris fournieri]
                                                   [Pteris pancheri]
                                                   [Pteris polymorpha]
                                             Pteris bambusoides
                                             Pteris barbigera
                                                   [Pteris squamaestipes]
                                             Pteris barklyae
                                                   [Afropteris barklyae]
                                                   [Allosorus barklyae]
                                                   [Cheilanthes barklyae]
                                                   [Ochropteris barklyae]
                                                   [Pellaea barklyae]
                                             Pteris barombiensis
                                             Pteris bavazzanoi
                                                   [Pteris kilimensis]
                                             Pteris bella
                                                   [Pteris wangiana]
                                             Pteris berteroana
                                                   [Litobrochia berteroana]
                                                   [Pteris comans var. berteroana]
                                             Pteris biaurita
                                               Pteris biaurita subsp. biaurita
                                                     [Campteria biaurita]
                                                     [Campteria rottleriana]
                                                     [Campteria wightiana]
                                                     [Litobrochia biaurita]
                                                     [Litobrochia nemoralis]
                                                     [Litobrochia rottleriana]
                                                     [Litobrochia wallichiana]
                                                     [Pteris allosora]
                                                     [Pteris biaurita var. subpinnatifida]
                                                     [Pteris caudiformis]
                                                     [Pteris quadriaurita var. biaurita]
                                                     [Pteris sulcata]
                                               Pteris biaurita subsp. fornicata
                                                     [Pteris cumingii]
                                                     [Pteris flavicaulis]
                                                     [Pteris pacifica]
                                                     [Pteris pectinata]
                                               Pteris biaurita subsp. walkeriana
                                                     [Campteria biaurita var. major]
                                             Pteris biformis
                                             Pteris blanchetiana
                                             Pteris blumeana
                                                   [Pteris quadriaurita var. blumeana]
                                             Pteris boliviensis
                                             Pteris boninensis
                                             Pteris borneensis
                                             Pteris brasiliensis
                                                   [Pteris denticulata var. brasiliensis]
                                             Pteris brassii
                                             Pteris brevis
                                             Pteris brooksiana
                                             Pteris buchananii
                                                   [Pteris subquadripinnata]
                                             Pteris buchtienii
                                             Pteris burtonii
                                                   [Pteris aethiopica]
                                                   [Pteris atrovirens var. cervonii]
                                                   [Pteris burtonii var. aethiopica]
                                                   [Pteris johnstonii]
                                               Pteris burtonii var. burtonii
                                             Pteris cadieri
                                               Pteris cadieri subsp. cadieri
                                                     [Pteris plumbea var. sintenensis]
                                                     [Pteris plumbea]
                                               Pteris cadieri subsp. walkeri
                                             Pteris caiyangheensis
                                             Pteris calcarea
                                             Pteris calocarpa
                                                   [Copelandiopteris calocarpa]
                                                   [Schizostege calocarpa]
                                             Pteris camerooniana
                                                   [Pteris bonapartei]
                                                   [Pteris jungneri]
                                                   [Pteris manniana]
                                                   [Pteris quadriaurita f. simplex]
                                             Pteris carsei
                                             Pteris catoptera
                                                   [Pteris abyssinica]
                                                   [Pteris kameruniensis]
                                                   [Pteris quadriaurita subsp. abyssinica]
                                                   [Pteris quadriaurita subsp. catoptera]
                                                   [Pteris quadriaurita var. abyssinica]
                                               Pteris catoptera var. catoptera
                                               Pteris catoptera var. horridula
                                             Pteris changjiangensis
                                             Pteris chiapensis
                                             Pteris chilensis
                                                   [Pteris fernandeziana]
                                                   [Pteris tenera]
                                             Pteris christensenii
                                             Pteris ciliaris
                                             Pteris clemensiae
                                             Pteris comans
                                                   [Litobrochia comans]
                                                   [Litobrochia endlicheriana]
                                                   [Litobrochia undulata]
                                                   [Pteris deplanchei]
                                                   [Pteris endlicheriana]
                                                   [Pteris undulata]
                                             Pteris commutata
                                                   [Pteris grossiloba]
                                                   [Pteris pseudocretica]
                                             Pteris concinna
                                                   [Pteris mutilata var. concinna]
                                             Pteris congesta
                                                   [Pteris leptophylla var. gracilis]
                                             Pteris consanguinea
                                             Pteris coriacea
                                                   [Pteris coriacea var. jamesonii]
                                                   [Pteris jamesonii]
                                             Pteris crassiuscula
                                             Pteris cretica
                                               Pteris cretica subsp. cretica
                                                     [Pteris confertinervia]
                                                     [Pteris contracta]
                                                     [Pteris cretica var. intermedia]
                                                     [Pteris cretica var. nervosa]
                                                     [Pteris cretica var. plurilobata]
                                                     [Pteris heptaphyllos]
                                                     [Pteris nervosa]
                                                     [Pteris pentaphylla]
                                                     [Pteris pseudodactylina]
                                                     [Pteris semiserrata]
                                                     [Pteris serraria]
                                                     [Pteris serrulata var. intermedia]
                                                     [Pteris sichuanensis]
                                                     [Pteris trifoliata]
                                                     [Pteris triphylla]
                                                     [Pteris xichouensis]
                                                     [Pycnodoria cretica]
                                               Pteris cretica subsp. laeta
                                                     [Pteris cretica var. cartilagidens]
                                                     [Pteris cretica var. laeta]
                                                     [Pteris cretica var. rosthornii]
                                                     [Pteris laeta]
                                                     [Pteris mysorensis]
                                               Pteris cretica var. cretica
                                             Pteris croesus
                                                   [Pteris nigrescens]
                                             Pteris cryptogrammoides
                                             Pteris dactylina
                                                   [Pteris gracillima]
                                             Pteris daguensis
                                                   [Pteris orizabae var. daguensis]
                                             Pteris dalhousiae
                                             Pteris dataensis
                                             Pteris dayakorum
                                             Pteris decrescens
                                                   [Pteris depauperata]
                                                   [Pteris hossei]
                                                   [Pteris quadriaurita var. depauperata]
                                               Pteris decrescens var. parviloba
                                                     [Pteris parviloba]
                                             Pteris decurrens
                                                   [Litobrochia decurrens]
                                                   [Litobrochia horizontalis]
                                                   [Pteris appendiculata]
                                                   [Pteris horizontalis]
                                             Pteris deflexa
                                                   [Pteris gaudichaudii]
                                                   [Pteris platychlamys]
                                                   [Pteris polita]
                                                   [Pteris rostrata]
                                             Pteris deltea
                                             Pteris deltodon
                                                   [Pteris nana]
                                                   [Pteris sanduensis]
                                               Pteris deltodon var. monstrosa
                                             Pteris deltoidea
                                                   [Pteris glabella]
                                             Pteris dentata
                                                   [Asplenium adscensionis]
                                                   [Lonchitis adscensionis]
                                                   [Pteris adscensionis]
                                                   [Pteris arguta f. major]
                                                   [Pteris arguta f. minor]
                                                   [Pteris arguta var. flabellata]
                                                   [Pteris arguta]
                                                   [Pteris cordemoyi]
                                                   [Pteris dentata subsp. flabellata]
                                                   [Pteris dentata var. oligodictya]
                                                   [Pteris elegans]
                                                   [Pteris flabellata var. ascensionis]
                                                   [Pteris flabellata]
                                                   [Pteris flaccida]
                                                   [Pteris oligodictyon]
                                                   [Pteris serrulata]
                                                   [Pteris straminea]
                                               Pteris dentata subsp. dentata
                                               Pteris dentata var. dentata
                                             Pteris denticulata
                                                   [Litobrochia brasiliensis]
                                                   [Litobrochia denticulata]
                                                   [Litobrochia dissimilis]
                                                   [Pteris dissimilis]
                                                   [Pteris palmata]
                                                   [Pteris quadrifida]
                                                   [Pteris reticulata]
                                                   [Pteris salicifolia]
                                                   [Pteris serrata]
                                               Pteris denticulata var. denticulata
                                               Pteris denticulata var. tristicula
                                                     [Litobrochia tristicula]
                                                     [Pteris tristicula]
                                             Pteris dimorpha
                                                   [Pteris cadieri subsp. dimorpha]
                                                   [Pteris grevilleana var. diffusa]
                                               Pteris dimorpha var. dimorpha
                                               Pteris dimorpha var. metagrevilleana
                                               Pteris dimorpha var. prolongata
                                             Pteris dispar
                                                   [Pteris semipinnata var. dispar]
                                             Pteris dissitifolia
                                                   [Pteris semipinnata var. dissitifolia]
                                             Pteris distans
                                             Pteris dixitii
                                             Pteris droogmaniana
                                             Pteris edanoi
                                             Pteris edanyoi
                                             Pteris ekemae
                                             Pteris ekmanii
                                             Pteris elmeri
                                             Pteris elongatiloba
                                               Pteris elongatiloba var. remotivenia
                                                     [Pteris elongatiloba var. erythrorachis]
                                                     [Pteris elongatiloba var. multipinnula]
                                             Pteris endoneura
                                                   [Copelandiopteris endoneura]
                                             Pteris ensiformis
                                                   [Acrostichum trifoliatum]
                                                   [Phorolobus chinensis]
                                                   [Pteris attenuata]
                                                   [Pteris crenata]
                                                   [Pteris ensiformis var. furcans]
                                                   [Pteris ensiformis var. rheophila]
                                                   [Pteris heterodactyla]
                                                   [Pteris multidentata]
                                                   [Pteris prionitis]
                                                   [Pteris serrulata var. obtusata]
                                                   [Pteris stricta]
                                               Pteris ensiformis var. merrillii
                                                     [Pteris merrillii]
                                               Pteris ensiformis var. victoriae
                                                     [Pteris victoriae]
                                             Pteris epaleata
                                             Pteris erosa
                                             Pteris esquirolii
                                               Pteris esquirolii var. muricatula
                                                     [Pteris muricatula]
                                             Pteris exigua
                                             Pteris famatinensis
                                             Pteris fauriei
                                                   [Pteris rigidula]
                                               Pteris fauriei var. chinensis
                                                     [Pteris bifurcata]
                                               Pteris fauriei var. fauriei
                                             Pteris finotii
                                                   [Pteris finotii var. obtusa]
                                             Pteris formosana
                                                   [Pteris decurrentipinnulata]
                                                   [Pteris takeoi]
                                             Pteris fraseri
                                             Pteris friesii
                                                   [Pteris abrahamii]
                                                   [Pteris angolensis]
                                                   [Pteris catoptera var. friesii]
                                                   [Pteris hildebrandtii]
                                                   [Pteris mohasiensis]
                                                   [Pteris quadriaurita subsp. friesii]
                                                   [Pteris stolzii]
                                             Pteris gallinopes
                                             Pteris geminata
                                                   [Campteria anamallayensis]
                                                   [Campteria geminata]
                                                   [Campteria kleiniana]
                                                   [Litobrochia kleiniana]
                                                   [Pteris biaurita var. geminata]
                                                   [Pteris dubia]
                                                   [Pteris kleiniana]
                                                   [Pteris maxima]
                                             Pteris giasii
                                             Pteris gigantea
                                                   [Litobrochia gigantea]
                                                   [Pteris crassipes]
                                                   [Pteris hartiana]
                                             Pteris glaucovirens
                                                   [Pteris flava]
                                             Pteris gongalensis
                                             Pteris grandifolia
                                                   [Heterophlebium grandifolium]
                                                   [Litobrochia grandifolia]
                                                   [Pteris grandifolia var. campanae]
                                                   [Pteris grandifolia var. socorrensis]
                                                   [Pteris socorrensis]
                                             Pteris grevilleana
                                               Pteris grevilleana subsp. digitata
                                                     [Pteris digitata]
                                                     [Pteris grevilleana var. ornata]
                                                     [Pteris quadriaurita var. digitata]
                                               Pteris grevilleana subsp. grevilleana
                                                     [Pteris aberrans]
                                                     [Pteris ensiformis var. grevilleana]
                                             Pteris griffithii
                                             Pteris griseoviridis
                                             Pteris guangdongensis
                                             Pteris haenkeana
                                                   [Litobrochia ampla]
                                                   [Litobrochia haenkeana]
                                                   [Pteris ampla]
                                             Pteris hainanensis
                                                   [Pteris cadieri var. hainanensis]
                                             Pteris hamulosa
                                                   [Pteris acanthoneura]
                                                   [Pteris biaurita f. spinulifera]
                                                   [Pteris biaurita var. spinulifera]
                                                   [Pteris quadriaurita var. hamulosa]
                                             Pteris henryi
                                             Pteris herrerae
                                             Pteris heteroclita
                                                   [Campteria triplicata]
                                                   [Litobrochia triplicata]
                                                   [Pteris heteroclita var. melleri]
                                                   [Pteris melleri]
                                                   [Pteris triplicata]
                                             Pteris heteromorpha
                                                   [Pteris almeidiana]
                                                   [Pteris cretica var. heteromorpha]
                                             Pteris hexagona
                                                   [Adiantum hexagonum]
                                                   [Allosorus heterophyllus]
                                                   [Anopteris heterophylla]
                                                   [Anopteris hexagona subsp. hexagona]
                                                   [Anopteris hexagona var. hexagona]
                                                   [Anopteris hexagona var. simplicior]
                                                   [Anopteris hexagona]
                                                   [Anopteris stricta]
                                                   [Cryptogramma heterophylla]
                                                   [Cryptogramma stricta]
                                                   [Onychium heterophyllum]
                                                   [Onychium strictum]
                                               Pteris hexagona var. multifida
                                                     [Anopteris hexagona subsp. multifida]
                                                     [Onychium multifidum]
                                             Pteris hillebrandii
                                             Pteris hirsutissima
                                             Pteris hirtula
                                                   [Pteris hekouensis]
                                                   [Pteris longipinnula var. hirtula]
                                                   [Pteris subhirtula]
                                             Pteris hispaniolica
                                             Pteris hivaoaensis
                                             Pteris holttumii
                                             Pteris hookeriana
                                                   [Idiopteris hookeriana]
                                                   [Pteris cretica var. hookeriana]
                                             Pteris hostmanniana
                                             Pteris hui
                                             Pteris humbertii
                                             Pteris inaequalis
                                                   [Litobrochia inaequalis]
                                             Pteris incompleta
                                                   [Pteris kingiana]
                                             Pteris incurvata
                                             Pteris inermis
                                                   [Pteris muricata var. inermis]
                                             Pteris insignis
                                                   [Pteris indochinensis]
                                                   [Pteris platysora]
                                             Pteris intricata
                                                   [Pteris adamii]
                                             Pteris irregularis
                                                   [Pteris alata]
                                             Pteris janssenii
                                             Pteris kathmanduensis
                                             Pteris kawabatae
                                             Pteris keysseri
                                             Pteris khasiana
                                               Pteris khasiana subsp. fauriei
                                                     [Pteris fauriei var. rigida]
                                                     [Pteris guizhouensis]
                                               Pteris khasiana subsp. khasiana
                                                     [Pteris quadriaurita var. khasiana]
                                             Pteris kidoi
                                             Pteris kiuschiuensis
                                               Pteris kiuschiuensis var. centrochinensis
                                             Pteris kivuensis
                                             Pteris krameri
                                             Pteris laevis
                                                   [Pteris subundulata]
                                             Pteris langsonensis
                                             Pteris lastii
                                                   [Pteris acuminata]
                                             Pteris latipinna
                                             Pteris laurea
                                                   [Campteria laurea]
                                                   [Pteris curtisii]
                                             Pteris laurisilvicola
                                             Pteris lechleri
                                                   [Litobrochia sericea]
                                                   [Pteris killipii]
                                                   [Pteris obscura]
                                                   [Pteris sericea]
                                                   [Pteris vestita]
                                             Pteris lellingeri
                                             Pteris lepidopoda
                                             Pteris leptophylla
                                                   [Cheilanthes spinulosa]
                                                   [Litobrochia leptophylla]
                                                   [Litobrochia spinulosa]
                                                   [Pteris peucedanifolia]
                                                   [Pteris semidentata]
                                                   [Pteris spinulosa]
                                             Pteris liboensis
                                             Pteris lidgatei
                                             Pteris lidgatii
                                                   [Cheilanthes lidgatii]
                                                   [Schizostege lydgatei]
                                             Pteris ligulata
                                                   [Pteris beccariana]
                                                   [Pteris furcans]
                                                   [Pteris heterogena]
                                                   [Pteris mixta]
                                                   [Pteris walkeri]
                                             Pteris limae
                                             Pteris linearis
                                                   [Campteria nemoralis]
                                                   [Pteris biaurita f. nemoralis]
                                                   [Pteris biaurita var. nemoralis]
                                                   [Pteris nemoralis]
                                                   [Pteris rottleriana]
                                             Pteris litoralis
                                             Pteris livida
                                                   [Pteris andreana]
                                             Pteris loheri
                                             Pteris longifolia
                                                   [Pteris aequalis]
                                                   [Pteris longifolia var. angusta]
                                                   [Pycnodoria longifolia]
                                               Pteris longifolia f. bipinnata
                                               Pteris longifolia f. stipularis
                                                     [Pteris stipularis]
                                             Pteris longipetiolulata
                                             Pteris longipinna
                                             Pteris longipinnula
                                                   [Pteris toppingii]
                                                   [Pteris umbraculifera]
                                             Pteris luzonensis
                                             Pteris lydgatei
                                             Pteris macgregorii
                                             Pteris macilenta
                                                   [Litobrochia macilenta]
                                                   [Pteris macilenta var. pendula]
                                                   [Pteris pendula]
                                             Pteris maclurioides
                                                   [Pteris maclurioides var. tonkinensis]
                                             Pteris macracantha
                                             Pteris macrodon
                                             Pteris macrophylla
                                             Pteris madagascarica
                                               Pteris madagascarica var. lathyropteris
                                                     [Lathyropteris madagascariensis]
                                                     [Pteris lathyropteris]
                                                     [Pteris remotifolia var. scabra]
                                             Pteris majestica
                                             Pteris malipoensis
                                             Pteris marattiaefolia
                                             Pteris marquesensis
                                             Pteris mawsmaiensis
                                             Pteris medogensis
                                                   [Pteris himalayensis]
                                             Pteris melanocaulon
                                                   [Pteris cretica var. melanocaulos]
                                                   [Pteris treacheriana]
                                             Pteris melanorhachis
                                             Pteris menglaensis
                                             Pteris mertensioides
                                                   [Pteris decussata]
                                                   [Pteris gardneri]
                                               Pteris mertensioides subsp. mertensioides
                                                     [Campteria gardneri]
                                                     [Litobrochia gardneri]
                                                     [Pteris patens]
                                               Pteris mertensioides subsp. polylepis
                                             Pteris mettenii
                                             Pteris micracantha
                                             Pteris microlepis
                                             Pteris microptera
                                             Pteris mildbraedii
                                                   [Pteris quadriaurita var. africana]
                                             Pteris minor
                                                   [Pteris quadriaurita var. abbreviata]
                                             Pteris mkomaziensis
                                             Pteris moluccana
                                                   [Pteris indica]
                                             Pteris montis-wilhelminae
                                             Pteris morii
                                             Pteris mucronulata
                                             Pteris multiaurita
                                             Pteris multifida
                                                   [Pteris multifida f. serrulata]
                                                   [Pycnodoria multifida]
                                             Pteris muricata
                                             Pteris muricatopedata
                                             Pteris muricella
                                                   [Pteris mollis]
                                             Pteris mutilata
                                             Pteris nanlingensis
                                             Pteris natiensis
                                             Pteris navarrensis
                                             Pteris nevillei
                                             Pteris normalis
                                                   [Pteris quadriaurita var. major]
                                                   [Pteris quadriaurita var. setigera]
                                                   [Pteris scabristipes]
                                             Pteris novae-caledoniae
                                             Pteris obtusiloba
                                             Pteris occidentali-sinica
                                             Pteris olivacea
                                             Pteris opaca
                                                   [Pteris rosenstockii]
                                                   [Pteris taenitis]
                                                   [Pycnodoria opaca]
                                             Pteris oppositipinnata
                                                   [Pteris asperula]
                                                   [Pteris brooksii]
                                                   [Pteris caesia]
                                                   [Pteris quadriaurita var. asperula]
                                                   [Pteris setigera]
                                             Pteris orientalis
                                             Pteris orizabae
                                                   [Litobrochia hemipteris]
                                                   [Litobrochia orizabae]
                                                   [Litobrochia setifera]
                                                   [Pteris apicalis]
                                                   [Pteris ferruginea]
                                                   [Pteris hemipteris]
                                                   [Pteris podophylla var. setifera]
                                                   [Pteris setifera]
                                             Pteris oshimensis
                                                   [Pteris omeiensis]
                                               Pteris oshimensis var. paraemeiensis
                                             Pteris otaria
                                                   [Pteris quadriaurita f. ludens]
                                                   [Pteris quadriaurita var. ludens]
                                             Pteris pachysora
                                                   [Copelandiopteris pachysora]
                                                   [Schizostege pachysora]
                                             Pteris paleacea
                                             Pteris pallens
                                                   [Adiantum pallens]
                                                   [Cheilanthes culcita]
                                                   [Cheilanthes davallioides]
                                                   [Cheilanthes pallens]
                                                   [Cryptogramma pallens]
                                                   [Ochropteris angusta]
                                                   [Ochropteris bosseri]
                                                   [Ochropteris pallens]
                                                   [Ochropteris peltigera]
                                                   [Pteris bosseri]
                                                   [Pteris peltigera]
                                             Pteris papuana
                                                   [Pteris brausei]
                                                   [Taenitis brausei]
                                             Pteris parkeri
                                                   [Pteris cretica subsp. nipponica]
                                                   [Pteris cretica var. albolineata]
                                                   [Pteris nipponica]
                                             Pteris paucinervata
                                             Pteris paucipinnula
                                             Pteris pearcei
                                                   [Pteris petiolulata]
                                             Pteris pedicellata
                                             Pteris pediformis
                                             Pteris pellucens
                                                   [Pteris kinabaluensis]
                                                   [Pteris philippinensis]
                                                   [Pteris radicans]
                                                   [Pteris zollingeri]
                                             Pteris pellucida
                                                   [Pteris johannis-winkleri]
                                             Pteris pellucidifolia
                                             Pteris perplexa
                                                   [Pteris cadieri subsp. perplexa]
                                             Pteris perrieriana
                                             Pteris perrottetii
                                                   [Pteris perrottetii var. brevilaciniata]
                                             Pteris phuluangensis
                                             Pteris pilosiuscula
                                             Pteris platyzomopsis
                                                   [Platyzoma microphyllum]
                                             Pteris pluricaudata
                                             Pteris podophylla
                                                   [Litobrochia camptocarpa]
                                                   [Litobrochia podophylla]
                                                   [Lonchitis pedata]
                                                   [Pteris camptocarpa]
                                                   [Pteris inflexa]
                                                   [Pteris luederwaldtii]
                                                   [Pteris pedata]
                                                   [Pteris trialata]
                                             Pteris praestantissima
                                                   [Chrysodium praestantissimum]
                                                   [Lomagramma praestantissima]
                                                   [Neurocallis praestantissima var. subcaudata]
                                                   [Neurocallis praestantissima]
                                                   [Pteris dominicensis]
                                                   [Pteris macrodictya]
                                             Pteris praetermissa
                                                   [Pteris furunculata]
                                                   [Pteris manickamii]
                                             Pteris preussii
                                                   [Pteris deistelii]
                                                   [Pteris prolifera]
                                             Pteris propinqua
                                                   [Campteria luschnathiana]
                                                   [Litobrochia breviloba]
                                                   [Litobrochia propinqua]
                                                   [Pteris aculeata var. propinqua]
                                                   [Pteris goeldiana]
                                                   [Pteris goeldii]
                                                   [Pteris luschnathiana]
                                                   [Pteris propinqua var. cumingiana]
                                             Pteris pseudolonchitis
                                                   [Pteris tripartita var. pseudolonchitis]
                                             Pteris pseudopellucida
                                                   [Pteris subsimplex]
                                             Pteris pseudosefuricola
                                                   [Pteris sefuricola]
                                             Pteris pseudowoodwardioides
                                             Pteris pseudowulaiensis
                                             Pteris pteridioides
                                                   [Hypolepis pteridioides]
                                                   [Pteris brevisora]
                                             Pteris puberula
                                                   [Pteris nepalensis]
                                             Pteris pulchra
                                                   [Litobrochia mexicana]
                                                   [Litobrochia pulchra]
                                                   [Pteris arborescens]
                                                   [Pteris mexicana]
                                             Pteris pungens
                                                   [Pteris biaurita var. pungens]
                                                   [Pteris longicauda]
                                                   [Pteris macroura]
                                                   [Pteris pungens var. shimekii]
                                                   [Pteris quadriaurita var. pungens]
                                             Pteris purdoniana
                                                   [Pteris longifolia var. purdoniana]
                                             Pteris quadriaurita
                                                   [Campteria galeottii]
                                                   [Litobrochia galeottii]
                                                   [Pteris biaurita var. quadriaurita]
                                                   [Pteris biaurita var. repandula]
                                                   [Pteris calcarata]
                                                   [Pteris edentula]
                                                   [Pteris felosma]
                                                   [Pteris galeottii]
                                                   [Pteris hispida]
                                                   [Pteris megaphylla]
                                                   [Pteris nemoralis var. major]
                                                   [Pteris plumeria]
                                                   [Pteris plumierii]
                                                   [Pteris plumula]
                                                   [Pteris presliana]
                                                   [Pteris pyrophylla]
                                                   [Pteris quadrialata]
                                                   [Pteris quadriaurita var. curtidens]
                                                   [Pteris repandula]
                                                   [Pteris smithiana]
                                                   [Pteris trachyphylla]
                                             Pteris quadristipitis
                                             Pteris quinquefoliata
                                                   [Pteris nana var. quinquefoliata]
                                             Pteris rakotondrainibeae
                                             Pteris ramosii
                                             Pteris rangiferina
                                                   [Pteris rangiferina var. scabripes]
                                             Pteris rasoloheryana
                                             Pteris reducta
                                                   [Pteris salakensis]
                                             Pteris remotifolia
                                                   [Pteris remotipinna]
                                             Pteris repens
                                                   [Afropteris repens]
                                                   [Pteris nitida]
                                             Pteris reptans
                                             Pteris roseolilacina
                                             Pteris rugosa
                                             Pteris rugosifolia
                                             Pteris ryukyuensis
                                             Pteris satsumana
                                             Pteris saxatilis
                                                   [Pteris macilenta var. saxatilis]
                                             Pteris scabra
                                                   [Pteris elastica]
                                                   [Pteris mascarenensis]
                                                   [Pteris punctata]
                                                   [Pteris sexalata]
                                             Pteris scabripes
                                                   [Pteris silent-valliensis]
                                             Pteris scabririgens
                                             Pteris schlechteri
                                             Pteris schwackeana
                                             Pteris semiadnata
                                                   [Pteris flexuosa]
                                                   [Pteris marattiifolia]
                                             Pteris semipinnata
                                                   [Litobrochia dimidiata]
                                                   [Pteris dimidiata]
                                             Pteris setulosocostulata
                                             Pteris silvatica
                                             Pteris silvicola
                                             Pteris similis
                                                   [Pteris congoensis]
                                                   [Pteris molunduensis]
                                             Pteris simplex
                                             Pteris sinensis
                                                   [Pteris excelsa var. inaequalis]
                                                   [Pteris excelsa var. simplicior]
                                                   [Pteris inaequalis var. simplicior]
                                             Pteris sotae
                                             Pteris speciosa
                                                   [Pteris reticulato-venosa]
                                             Pteris spinescens
                                             Pteris splendens
                                                   [Litobrochia organensis]
                                                   [Litobrochia papyracea]
                                                   [Litobrochia praealta]
                                                   [Litobrochia splendens]
                                                   [Pteris denticulata var. papyracea]
                                                   [Pteris papyracea]
                                                   [Pteris splendens var. organensis]
                                                   [Pteris splendens var. praealta]
                                             Pteris splendida
                                               Pteris splendida var. longlinensis
                                             Pteris squamipes
                                             Pteris stenophylla
                                                   [Pteris cretica var. stenophylla]
                                                   [Pteris pellucida var. stenophylla]
                                             Pteris stridens
                                                   [Pteris deflexa var. stridens]
                                             Pteris striphnophylla
                                             Pteris subindivisa
                                                   [Pteris aspericaulis var. subindivisa]
                                                   [Pteris beddomei]
                                                   [Pteris panigrahiana]
                                                   [Pteris quadriaurita var. subindivisa]
                                                   [Pteris submiaoensis]
                                                   [Pteris tirapensis]
                                             Pteris subquinata
                                                   [Pteris monghaiensis]
                                                   [Pteris quadriaurita var. subquinata]
                                             Pteris subsimplex
                                             Pteris sulphurea
                                             Pteris swartziana
                                                   [Pteris biaurita var. swartziana]
                                             Pteris sylhetensis
                                             Pteris tahuataensis
                                             Pteris taiwanensis
                                                   [Pteris tripartita var. magna]
                                                   [Pteris wallichiana var. magna]
                                             Pteris talamauana
                                             Pteris tapeinidiifolia
                                             Pteris tarandus
                                             Pteris tenuissima
                                             Pteris terminalis
                                                   [Pteris atropurpurea]
                                                   [Pteris excelsa var. rotunda]
                                                   [Pteris excelsissima]
                                                   [Pteris inaequalis var. aequata]
                                                   [Pteris kuhnii]
                                                   [Pteris semipinnata var. aequata]
                                                   [Pteris torricelliana]
                                               Pteris terminalis var. fauriei
                                                     [Pteris semipinnata var. fauriei]
                                               Pteris terminalis var. terminalis
                                             Pteris tibetica
                                             Pteris togoensis
                                                   [Pteris paucipinnata]
                                                   [Pteris quadriaurita subsp. togoensis]
                                             Pteris trachyrachis
                                                   [Pteris biaurita f. trachyrachis]
                                             Pteris transparens
                                                   [Pteris nuda]
                                             Pteris tremula
                                                   [Pteris affinis]
                                                   [Pteris argentea]
                                                   [Pteris arguta var. tremula]
                                                   [Pteris chrysocarpa]
                                                   [Pteris tenuis]
                                                   [Pteris tremula var. pectinata]
                                             Pteris treubii
                                             Pteris tricolor
                                                   [Pteris aspericaulis var. tricolor]
                                             Pteris tripartita
                                                   [Asplenium lineare]
                                                   [Campteria junghuhnii]
                                                   [Campteria pseudolonchitis]
                                                   [Litobrochia divaricata]
                                                   [Litobrochia marginata]
                                                   [Litobrochia microdictyon]
                                                   [Litobrochia milneana]
                                                   [Litobrochia pseudo-lonchitis]
                                                   [Litobrochia tripartita]
                                                   [Pteris connexa]
                                                   [Pteris feliciennae]
                                                   [Pteris guilleminei]
                                                   [Pteris junghuhnii]
                                                   [Pteris marginata]
                                                   [Pteris microdictyon]
                                                   [Pteris milneana]
                                                   [Pteris pedatifida]
                                                   [Pteris revolvens]
                                                   [Pteris semiovata]
                                                   [Pteris subpedata]
                                                   [Pteris tripartita var. feliciennae]
                                                   [Pteris tripartita var. milneana]
                                                   [Pteris uniseriata]
                                               Pteris tripartita var. marquesensis
                                               Pteris tripartita var. raivavensis
                                             Pteris undulatipinna
                                             Pteris usambarensis
                                             Pteris vaupelii
                                             Pteris venezuelensis
                                             Pteris venulosa
                                                   [Pteris sumatrana]
                                             Pteris venusta
                                               Pteris venusta subsp. matsudae
                                                     [Pteris pseudoesquirollii]
                                               Pteris venusta subsp. venusta
                                             Pteris verticillata
                                                   [Osmunda verticillata]
                                                   [Spathepteris verticillata]
                                             Pteris vieillardii
                                                   [Litobrochia vieillardii]
                                             Pteris viridissima
                                             Pteris vitiensis
                                             Pteris vittata
                                                   [Pteris acuminatissima]
                                               Pteris vittata subsp. emodi
                                               Pteris vittata subsp. nayariana
                                               Pteris vittata subsp. vermae
                                               Pteris vittata subsp. vittata
                                                     [Aspidium humile]
                                                     [Polypodium trapezoides]
                                                     [Pteris alpinii]
                                                     [Pteris aspera]
                                                     [Pteris costata]
                                                     [Pteris diversifolia]
                                                     [Pteris ensifolia]
                                                     [Pteris inaequilateralis]
                                                     [Pteris lanceolata]
                                                     [Pteris vittata subsp. bengalensis]
                                                     [Pycnodoria vittata]
                                             Pteris wallichiana
                                                   [Campteria heterophlebia]
                                                   [Campteria pectinata]
                                                   [Campteria wallichiana]
                                                   [Pteris austrosinica]
                                                   [Pteris heterophlebia]
                                                   [Pteris izuensis]
                                                   [Pteris khullarii]
                                                   [Pteris longipes]
                                                   [Pteris morrisonicola]
                                                   [Pteris occidentalisinica]
                                                   [Pteris raghavendrae]
                                                   [Pteris rufopilosa]
                                                   [Pteris tomentella]
                                                   [Pteris umbrosa]
                                                   [Pteris wallichiana var. austrosinica]
                                                   [Pteris wallichiana var. obtusa]
                                                   [Pteris wallichiana var. yunnanensis]
                                                   [Pteris yunnanensis]
                                               Pteris wallichiana var. samoensis
                                               Pteris wallichiana var. wallichiana
                                             Pteris warburgii
                                                   [Pteris finisterrae]
                                             Pteris websteri
                                             Pteris werneri
                                                   [Hemipteris werneri]
                                                   [Pteris parhamii]
                                             Pteris whitfordii
                                             Pteris woodwardioides
                                                   [Litobrochia borbonica]
                                                   [Litobrochia montbrisonis]
                                                   [Litobrochia pellucida]
                                                   [Litobrochia woodwardioides]
                                                   [Pteris borbonica]
                                                   [Pteris montbrisonis]
                                             Pteris wulaiensis
                                             Pteris x caridadiae
                                             Pteris x delchampsii
                                             Pteris x namegatae
                                             Pteris x otomasui
                                             Pteris x pseudosefuricola
                                             Pteris xiaoyingiae
                                             Pteris yakuinsularis
                                             Pteris yamatensis
                                                   [Pteris angustipinna var. yamatensis]
                                             Pteris zahlbruckneriana
                                             Pteris zippelii
                                                   [Allosorus zippelii]
                                                   [Pellaea zippellii]
                                             † Pteris dakotensis
                                             † Pteris goldmani
                                             † Pteris inquirenda
                                             † Pteris nirihuaoensis
                                             † Pteris pacajensis
                                             † Pteris pseudopennaeformis
                                             † Pteris russelli
                                             † Pteris whatcomensis
                                     Pterozonium
                                           [Syngrammatopsis]
                                             Pterozonium brevifrons
                                                   [Syngramma brevifrons]
                                                   [Syngramma versicolor]
                                                   [Syngrammatopsis brevifrons]
                                             Pterozonium cyclophyllum
                                                   [Gymnogramma cyclophylla]
                                                   [Pterozonium schneei]
                                                   [Pterozonium spathulatum]
                                             Pterozonium cyclosorum
                                             Pterozonium elaphoglossoides
                                                   [Gymnogramma elaphoglossoides]
                                                   [Neurogramma elaphoglossoides]
                                                   [Syngramma elaphoglossoides]
                                                   [Syngrammatopsis elaphoglossoides]
                                             Pterozonium lineare
                                                   [Syngrammatopsis linearis]
                                             Pterozonium maguirei
                                             Pterozonium paraphysatum
                                                   [Syngramma paraphysata]
                                                   [Syngrammatopsis paraphysata]
                                             Pterozonium reniforme
                                                   [Gymnogramma reniformis]
                                                   [Pterozonium reniforme var. ulei]
                                                   [Trichiogramme reniformis]
                                             Pterozonium retroflexum
                                             Pterozonium scopulinum
                                                   [Syngrammatopsis scopulina]
                                             Pterozonium spectabile
                                             Pterozonium steyermarkii
                                             Pterozonium tatei
                                             Pterozonium terrestre
                                                   [Syngrammatopsis terrestris]
                                     Syngramma
                                           [Callogramme]
                                           [Craspedodictyum]
                                           [Toxopteris]
                                           [Trichiogramme]
                                             Syngramma alismifolia
                                                   [Callogramme caeciliae]
                                                   [Diplazium alismifolium]
                                                   [Gymnogramma alismifolia]
                                                   [Gymnogramma caeciliae]
                                                   [Hemionitis alismifolia]
                                                   [Neurogramma alismifolia]
                                                   [Oxygonium alismifolium]
                                                   [Trichiogramme alismifolia]
                                             Syngramma alta
                                             Syngramma borneensis
                                                   [Gymnogramma borneensis var. major]
                                                   [Gymnogramma borneensis]
                                                   [Gymnogramma scolopendrioides]
                                                   [Syngramma borneensis var. major]
                                                   [Syngramma scolopendrioides]
                                                   [Toxopteris borneensis]
                                                   [Trichiogramme borneensis]
                                             Syngramma cartilagidens
                                                   [Acrostichum borneense]
                                                   [Elaphoglossum borneense]
                                                   [Gymnogramma cartilagidens]
                                                   [Neurogramma cartilagidens]
                                                   [Toxopteris cartilagidens]
                                                   [Trichiogramme cartilagidens]
                                             Syngramma coriacea
                                                   [Craspedodictyum coriaceum]
                                                   [Dictyogramme obtusifolia]
                                                   [Gymnogramma obtusifolia]
                                                   [Syngramma obtusifolia]
                                                   [Trichiogramme obtusifolia]
                                             Syngramma dayi
                                                   [Gymnogramma dayi]
                                             Syngramma grandis
                                                   [Craspedodictyum grande]
                                             Syngramma lobbiana
                                                   [Gymnogramma lobbiana]
                                                   [Toxopteris lobbiana]
                                                   [Trichiogramme lobbiana]
                                             Syngramma magnifica
                                                   [Craspedodictyum magnificum]
                                             Syngramma minima
                                             Syngramma quinata
                                                   [Craspedodictyum quinatum]
                                                   [Craspedodictyum schlechteri]
                                                   [Dictyogramme quinata]
                                                   [Gymnogramma quinata]
                                                   [Neurogramma quinata]
                                                   [Syngramma schlechteri]
                                                   [Trichiogramme quinata]
                                             Syngramma spathulata
                                                   [Craspedodictyum spathulatum]
                                             Syngramma trichophora
                                             Syngramma valleculata
                                                   [Gymnogramma valleculata]
                                             Syngramma vittiformis
                                                   [Callipteris vittaeformis]
                                                   [Gymnogramma vittaeformis]
                                                   [Hemionitis vittaeformis]
                                                   [Oxygonium vittaeformis]
                                                   [Trichiogramme vittaeformis]
                                             Syngramma wallichii
                                                   [Asplenium ovatum]
                                                   [Dictyogramme wallichii]
                                                   [Gymnogramma wallichii]
                                     Taenitis
                                           [Holttumia]
                                           [Holttumiella]
                                           [Platytaenia]
                                           [Schizolepton]
                                             Taenitis blechnoides
                                                   [Blechnum angustifolium]
                                                   [Blechnum glabrum]
                                                   [Lindsaea grandifolia]
                                                   [Oetosis blechnodes]
                                                   [Pteris blechnoides]
                                                   [Taenitis chinensis]
                                                   [Taenitis pteroides]
                                               Taenitis blechnoides var. blechnoides
                                             Taenitis brooksii
                                             Taenitis cordata
                                                   [Lindsaea cordata]
                                                   [Schizolepton cordatum]
                                                   [Schizoloma cordatum]
                                             Taenitis dimorpha
                                             Taenitis diversifolia
                                                   [Platytaenia diversifolia]
                                             Taenitis flabellivenia
                                                   [Holttumia flabellivenia]
                                                   [Holttumiella flabellivenia]
                                                   [Polypodium flabellinervum]
                                                   [Polypodium flabellivenium]
                                             Taenitis hookeri
                                                   [Gymnogramme lanceolata]
                                                   [Hemionitis lanceolata]
                                                   [Syngramma hookeri]
                                                   [Syngramma lanceolata]
                                                   [Taenitis lanceolata]
                                                   [Trichiogramme lanceolata]
                                             Taenitis hosei
                                                   [Hemionitis hosei]
                                                   [Syngramma hosei]
                                             Taenitis intermedia
                                             Taenitis interrupta
                                                   [Taenitis blechnoides var. interrupta]
                                                   [Taenitis stenophylla]
                                             Taenitis marginata
                                             Taenitis mediosora
                                             Taenitis obtusa
                                                   [Oetosis obtusa]
                                                   [Taenitis drymoglossoides]
                                             Taenitis pinnata
                                                   [Dictyogramme elongata]
                                                   [Dictyogramme pinnata]
                                                   [Grammitis pinnata]
                                                   [Gymnogramma pinnata]
                                                   [Gymnogramme pinnata]
                                                   [Hemionitis elongata]
                                                   [Syngramma pinnata]
                                                   [Trichiogramme pinnata]
                                               Taenitis pinnata var. brachysora
                                                     [Gymnogramma pinnata var. brachysora]
                                                     [Taenitis brachysora]
                                               Taenitis pinnata var. pinnata
                                               Taenitis pinnata var. polypodioides
                                                     [Gymnogramme pinnata var. polypodioides]
                                             Taenitis requiniana
                                                   [Acrostichum requinianum]
                                                   [Lomariopsis requiniana]
                                                   [Neurocallis requiniana]
                                                   [Platytaenia requiniana]
                                                   [Poecilopteris requiniana]
                                             Taenitis trilobata
                                                   [Lindsaea hosei]
                                                   [Schizoloma hosei]
                                                   [Schizoloma trilobatum]
                                             Taenitis vittarioides
                                               Taenitis vittarioides subsp. moluccana
                                               Taenitis vittarioides subsp. vittarioides
                                     Tryonia
                                             Tryonia areniticola
                                                   [Eriosorus areniticola]
                                                   [Jamesonia areniticola]
                                             Tryonia myriophylla
                                                   [Anogramma villosa]
                                                   [Cheilanthes glandulosa]
                                                   [Eriosorus myriophyllus]
                                                   [Gymnogramma glaziovii]
                                                   [Gymnogramma myriophylla]
                                                   [Gymnogramma villosa]
                                                   [Hypolepis repens var. selloana]
                                                   [Hypolepis sellowiana]
                                                   [Jamesonia myriophylla]
                                                   [Psilogramme myriophylla]
                                                   [Pteris glandulosa]
                                             Tryonia schwackeana
                                                   [Eriosorus schwackeanus]
                                                   [Gymnogramma schwackeana]
                                                   [Jamesonia schwackeana]
                                             Tryonia sellowiana
                                                   [Cheilanthes sellowiana]
                                                   [Eriosorus sellowianus]
                                                   [Gymnogramma sellowiana]
                                                   [Jamesonia sellowiana]
                                                   [Psilogramme sellowiana]
                              Vittarioideae
                                     [Antrophyoideae]
                                     Adiantum
                                           [Adianthum]
                                           [Hewardia]
                                             Adiantum abscissum
                                                   [Adiantum brasiliense]
                                                   [Adiantum curvatum var. brasiliense]
                                                   [Adiantum pubescens]
                                                   [Adiantum subramosum]
                                                   [Adiantum tetragonum]
                                             Adiantum acrolobum
                                             Adiantum adiantoides
                                                   [Adiantum hewardia]
                                                   [Hewardia adiantoides]
                                             Adiantum aethiopicum
                                                   [Adiantum aethiopicum f. assimile]
                                                   [Adiantum assimile]
                                                   [Adiantum aubertii]
                                                   [Adiantum cycloides]
                                                   [Adiantum subtrapezoideum]
                                                   [Adiantum trigonum]
                                             Adiantum alan-smithii
                                             Adiantum alarconianum
                                             Adiantum aleuticum
                                                   [Adiantum boreale]
                                                   [Adiantum pedatum f. aleuticum]
                                                   [Adiantum pedatum subsp. aleuticum]
                                                   [Adiantum pedatum var. aleuticum]
                                               Adiantum aleuticum var. aleuticum
                                               Adiantum aleuticum var. subpumilum
                                             Adiantum alleniae
                                             Adiantum alomae
                                             Adiantum amblyopteridium
                                             Adiantum amplum
                                                   [Adiantum princeps]
                                             Adiantum anceps
                                             Adiantum andicola
                                                   [Adiantum amabile]
                                                   [Adiantum amplum var. concolor]
                                                   [Adiantum cooperi]
                                                   [Adiantum cuneatum var. angustifolium]
                                                   [Adiantum palmense]
                                             Adiantum aneitense
                                             Adiantum atroviride
                                                   [Adiantum aethiopicum f. queenslandiae]
                                                   [Adiantum aethiopicum f. variegatum]
                                                   [Adiantum aethiopicum var. nodosum]
                                             Adiantum balfourii
                                                   [Adiantum martinii]
                                             Adiantum bellum
                                                   [Adiantum bellum var. walsingense]
                                             Adiantum blumenavense
                                             Adiantum braunii
                                                   [Adiantum braunii var. cuneatum]
                                                   [Adiantum braunii var. obovatum]
                                                   [Adiantum convolutum]
                                                   [Adiantum heteroclitum]
                                             Adiantum cajennense
                                                   [Adiantum cajennense var. stenophyllum]
                                             Adiantum calcareum
                                                   [Adiantum caudatum var. calcareum]
                                             Adiantum camptorachis
                                             Adiantum capillatum
                                             Adiantum capillus-junonis
                                                   [Adiantum cantoniense]
                                             Adiantum capillus-veneris
                                                   [Adiantum africanum]
                                                   [Adiantum capillaceum]
                                                   [Adiantum capillus-veneris f. cristatum]
                                                   [Adiantum capillus-veneris f. fissum]
                                                   [Adiantum capillus-veneris f. rimicola]
                                                   [Adiantum capillus-veneris var. dissectum]
                                                   [Adiantum capillus-veneris var. fissum]
                                                   [Adiantum capillus-veneris var. kenyense]
                                                   [Adiantum capillus-veneris var. laciniatum]
                                                   [Adiantum capillus-veneris var. modestum]
                                                   [Adiantum capillus-veneris var. pinnata]
                                                   [Adiantum capillus-veneris var. protrusum]
                                                   [Adiantum capillus-veneris var. trifidum]
                                                   [Adiantum capillus]
                                                   [Adiantum coriandrifolium]
                                                   [Adiantum cuneifolium]
                                                   [Adiantum emarginatum]
                                                   [Adiantum fontanum]
                                                   [Adiantum fumarioides]
                                                   [Adiantum lingii]
                                                   [Adiantum marginatum]
                                                   [Adiantum michelii]
                                                   [Adiantum modestum]
                                                   [Adiantum moritzianum]
                                                   [Adiantum paradiseae]
                                                   [Adiantum pseudocapillus]
                                                   [Adiantum pubescens var. divaricatum]
                                                   [Adiantum remyanum]
                                                   [Adiantum repandum]
                                                   [Adiantum rimicola]
                                                   [Adiantum schaffneri]
                                                   [Adiantum subemarginatum]
                                                   [Adiantum tenerum var. dissectum]
                                                   [Adiantum trifidum]
                                                   [Adiantum visianii]
                                               Adiantum capillus-veneris f. lanyuanum
                                             Adiantum caribense
                                             Adiantum caryotideum
                                             Adiantum caudatum
                                                   [Adiantum assamicum]
                                                   [Adiantum borneense]
                                                   [Adiantum caudatum var. angustilobatum]
                                                   [Adiantum caudatum var. assamicum]
                                                   [Adiantum flagelliferum]
                                                   [Adiantum lomesam]
                                                   [Adiantum lyratum]
                                                   [Adiantum wangii]
                                             Adiantum celebicum
                                             Adiantum chienii
                                             Adiantum chilense
                                                   [Adiantum aethiopicum var. glabrum]
                                                   [Adiantum mochaenum]
                                                   [Adiantum rotundatum]
                                               Adiantum chilense var. chilense
                                               Adiantum chilense var. scabrum
                                                     [Adiantum aethiopicum var. scabrum]
                                                     [Adiantum philippianum]
                                               Adiantum chilense var. sulphureum
                                                     [Adiantum aethiopicum var. sulphureum]
                                                     [Adiantum chilense var. subsulphureum]
                                                     [Adiantum poiretii var. sulphureum]
                                                     [Adiantum subsulphureum]
                                                     [Adiantum sulphureum var. cuneifolium]
                                                     [Adiantum sulphureum var. majus]
                                                     [Adiantum sulphureum var. minus]
                                                     [Adiantum sulphureum var. subsulphureum]
                                                     [Adiantum sulphureum]
                                                     [Adiantum williamsii]
                                             Adiantum ciliatum
                                                   [Adiantum caudatum var. latilobatum]
                                                   [Adiantum malesianum]
                                             Adiantum cinnamomeum
                                             Adiantum comoroense
                                                   [Adiantum rhizophorum var. comoroense]
                                             Adiantum concinnum
                                                   [Adiantum lutescens]
                                                   [Adiantum ramyam]
                                             Adiantum confine
                                                   [Adiantum reniforme var. crenatum]
                                             Adiantum cordatum
                                             Adiantum cremersii
                                             Adiantum crespianum
                                             Adiantum cunninghamii
                                                   [Adiantum affine var. chathamicum]
                                                   [Adiantum affine var. pullum]
                                                   [Adiantum formosum var. cunninghamii]
                                                   [Adiantum pullum]
                                             Adiantum cupreum
                                             Adiantum curvatum
                                             Adiantum davidii
                                                   [Adiantum aristatum]
                                                   [Adiantum davidii var. aristatum]
                                                   [Adiantum davidii var. latedeltoideum]
                                                   [Adiantum davidii var. longispinum]
                                                   [Adiantum davidii var. prattii]
                                                   [Adiantum latedeltoideum]
                                                   [Adiantum monochlamys var. latedeltoidea]
                                                   [Adiantum prattii]
                                             Adiantum dawsonii
                                             Adiantum decipiens
                                             Adiantum decoratum
                                             Adiantum deflectens
                                                   [Adiantum deflectens var. subaristatum]
                                                   [Adiantum deflectens var. tremula]
                                                   [Adiantum discretodenticulatum]
                                                   [Adiantum dissimile]
                                                   [Adiantum dolabriforme]
                                                   [Adiantum flagellum var. schizaeoides]
                                                   [Adiantum lunatum]
                                                   [Adiantum persimile]
                                                   [Adiantum ripidium]
                                                   [Adiantum subaristatum]
                                                   [Adiantum tremulum var. deflectens]
                                                   [Adiantum tremulum]
                                             Adiantum delicatulum
                                                   [Adiantum delicatulum f. tremulum]
                                                   [Adiantum lunulatum var. delicatulum]
                                             Adiantum deltoideum
                                                   [Adiantum deltoideum var. jamaicense]
                                                   [Adiantum jamaicense]
                                                   [Allosorus domingensis]
                                             Adiantum dentatum
                                             Adiantum diaphanum
                                                   [Adiantum affine]
                                                   [Adiantum diaphanum var. affine]
                                                   [Adiantum diaphanum var. polymorphum]
                                                   [Adiantum erectum]
                                                   [Adiantum filicaule]
                                                   [Adiantum heteromorphum]
                                                   [Adiantum hispidulum var. fitzalani]
                                                   [Adiantum muelleri]
                                                   [Adiantum polymorphum]
                                                   [Adiantum setulosum]
                                                   [Adiantum tenue var. commutatum]
                                                   [Adiantum tuberosum]
                                             Adiantum digitatum
                                                   [Adiantum palmatum]
                                                   [Adiantum speciosum]
                                             Adiantum diogoanum
                                             Adiantum diphyllum
                                                   [Hewardia diphylla]
                                             Adiantum discolor
                                             Adiantum dissimulatum
                                             Adiantum dolosum
                                                   [Adiantum macropterum]
                                                   [Hewardia dolosa]
                                                   [Hewardia serrata]
                                             Adiantum edgeworthii
                                                   [Adiantum caudatum var. edgeworthii]
                                                   [Adiantum edgeworthii var. spencerianum]
                                                   [Adiantum guilelmii]
                                                   [Adiantum spencerianum]
                                             Adiantum elegantulum
                                             Adiantum erylliae
                                             Adiantum erythrochlamys
                                                   [Adiantum erythrochlamys var. hunanense]
                                                   [Adiantum roborowskii var. robustum]
                                             Adiantum excisum
                                             Adiantum feei
                                                   [Adiantum flexuosum]
                                             Adiantum fengianum
                                             Adiantum filiforme
                                                   [Adiantum deflectens var. flagella]
                                                   [Adiantum flagellum]
                                                   [Adiantum glareosum var. monosorum]
                                                   [Adiantum glareosum]
                                                   [Adiantum lunulatum var. flagellum]
                                             Adiantum flabellulatum
                                                   [Adiantum amoenum]
                                                   [Adiantum bonii]
                                                   [Adiantum doctersii]
                                                   [Adiantum flabellifolium]
                                                   [Adiantum fuscum]
                                                   [Lindsaea sectorifolia]
                                             Adiantum formosanum
                                             Adiantum formosum
                                                   [Adiantum formosum var. leptophyllum]
                                             Adiantum fournieri
                                                   [Adiantum hispidulum var. rigidum]
                                                   [Adiantum rigidum]
                                             Adiantum fragile
                                                   [Adiantum cuneatiforme]
                                                   [Adiantum parvifolium]
                                               Adiantum fragile var. fragile
                                               Adiantum fragile var. rigidulum
                                                     [Adiantum rigidulum]
                                             Adiantum fructuosum
                                                   [Adiantum fructuosum var. laxius]
                                                   [Adiantum fructuosum var. strictum]
                                                   [Adiantum lancea var. fructuosum]
                                                   [Adiantum tetraphyllum var. fructuosum]
                                                   [Adiantum tetraphyllum var. majus]
                                             Adiantum fuliginosum
                                                   [Adiantum hirtum]
                                                   [Adiantum serrato-dentatum var. fuliginosum]
                                             Adiantum galeottianum
                                             Adiantum gertrudis
                                             Adiantum giganteum
                                             Adiantum gingkoides
                                             Adiantum glabrum
                                             Adiantum glaucescens
                                             Adiantum gomphophyllum
                                             Adiantum gracile
                                                   [Adiantum lancea var. gracile]
                                             Adiantum granvilleanum
                                             Adiantum gravesii
                                                   [Adiantum gravesii var. leveillei]
                                                   [Adiantum greenii]
                                                   [Adiantum leveillei]
                                             Adiantum grossum
                                             Adiantum henslovianum
                                                   [Adiantum henslovianum var. macrosora]
                                                   [Adiantum laetum]
                                                   [Adiantum parvulum]
                                                   [Adiantum sessilifolium]
                                             Adiantum hirsutum
                                                   [Adiantum radicans]
                                             Adiantum hispidulum
                                                   [Adiantum hispidulum f. strictum]
                                                   [Adiantum hispidulum var. glabratum]
                                                   [Adiantum hispidulum var. tenellum]
                                                   [Adiantum lindsaea]
                                                   [Adiantum lobulatum]
                                                   [Adiantum meyerianum]
                                                   [Adiantum nervosum]
                                                   [Adiantum plicatum]
                                                   [Adiantum scabrum]
                                                   [Adiantum tenellum]
                                                   [Adiantum tenue var. bicolor]
                                                   [Adiantum tenue var. caudiforme]
                                                   [Adiantum tenue]
                                               Adiantum hispidulum var. hispidulum
                                               Adiantum hispidulum var. hypoglaucum
                                               Adiantum hispidulum var. minus
                                               Adiantum hispidulum var. whitei
                                                     [Adiantum whitei]
                                             Adiantum hollandiae
                                             Adiantum hornei
                                             Adiantum hosei
                                             Adiantum humile
                                                   [Adiantum killipii]
                                             Adiantum imbricatum
                                             Adiantum incertum
                                             Adiantum incisum
                                               Adiantum incisum subsp. incisum
                                                     [Adiantum capillus-gorgonis]
                                                     [Adiantum caudatum var. glabripinnatum]
                                                     [Adiantum caudatum var. hirsutum]
                                                     [Adiantum caudatum var. laciniatum]
                                                     [Adiantum sinicum]
                                                     [Adiantum vestitum]
                                               Adiantum incisum subsp. indicum
                                                     [Adiantum caudatum var. flabellatum]
                                                     [Adiantum indicum]
                                                     [Adiantum recurvatum]
                                                     [Asplenium recurvatum]
                                             Adiantum induratum
                                             Adiantum intermedium
                                                   [Adiantum haenkeanum]
                                                   [Adiantum tomentellum]
                                             Adiantum isthmicum
                                             Adiantum janzenianum
                                             Adiantum jordanii
                                             Adiantum juxtapositum
                                             Adiantum kendalii
                                                   [Adiantum macrophyllum var. bipinnatum]
                                             Adiantum kingii
                                             Adiantum klossii
                                             Adiantum krameri
                                             Adiantum lamrianum
                                             Adiantum latifolium
                                                   [Adiantum denticulatum var. humile]
                                                   [Adiantum denticulatum var. obtusum]
                                                   [Adiantum denticulatum]
                                                   [Adiantum elatum]
                                                   [Adiantum fovearum var. major]
                                                   [Adiantum fovearum var. reductum]
                                                   [Adiantum fovearum]
                                                   [Adiantum glaziovii]
                                                   [Adiantum intermedium var. medioximum]
                                                   [Adiantum intermedium var. triangulatum]
                                                   [Adiantum latifolium var. grisebachianum]
                                                   [Adiantum lucidum var. bipinnatum]
                                                   [Adiantum sordidum]
                                                   [Adiantum triangulatum var. acuminatum]
                                                   [Adiantum triangulatum]
                                             Adiantum latipinnulum
                                             Adiantum leprieurii
                                                   [Hewardia leprieurii]
                                             Adiantum lianxianense
                                             Adiantum lindsaeoides
                                             Adiantum lorentzii
                                             Adiantum lucidum
                                                   [Adiantum asperum]
                                                   [Adiantum varium]
                                                   [Pteris lucida]
                                             Adiantum macrocladum
                                                   [Adiantum mexiae]
                                                   [Adiantum myriophyllum]
                                             Adiantum macrophyllum
                                             Adiantum madagascariense
                                               Adiantum madagascariense var. prolongatum
                                                     [Adiantum rhizophorum var. prolongatum]
                                             Adiantum mariesii
                                                   [Adiantum acrocarpon]
                                                   [Adiantum nanum]
                                             Adiantum mariposatum
                                             Adiantum mathewsianum
                                             Adiantum mcvaughii
                                             Adiantum meishanianum
                                             Adiantum melanoleucum
                                                   [Adiantum kunzeanum]
                                                   [Adiantum melanoleucum var. nanum]
                                                   [Adiantum urbanianum]
                                               Adiantum melanoleucum var. cubense
                                                     [Adiantum cubense var. nanum]
                                                     [Adiantum cubense]
                                             Adiantum membranifolium
                                             Adiantum mendoncae
                                             Adiantum menglianense
                                             Adiantum mindanaense
                                                   [Adiantum aculeolatum]
                                                   [Adiantum christii]
                                             Adiantum monochlamys
                                                   [Adiantum monochlamys var. plurisorum]
                                                   [Adiantum monochlamys var. simozawai]
                                                   [Adiantum veitchii]
                                                   [Adiantum venustum var. monochlamys]
                                             Adiantum monosorum
                                                   [Adiantum robinsonii]
                                                   [Adiantum scabripes]
                                             Adiantum moranii
                                             Adiantum multisorum
                                             Adiantum mynsseniae
                                                   [Adiantum pulcherrimum]
                                             Adiantum myriosorum
                                                   [Adiantum myriosorum var. recurvatum]
                                                   [Adiantum pedatum var. glaucinum]
                                                   [Adiantum pedatum var. myriosorum]
                                                   [Adiantum pedatum var. protrusum]
                                                   [Adiantum subpedatum]
                                             Adiantum nelumboides
                                                   [Adiantum reniforme var. sinense]
                                             Adiantum neoguineense
                                             Adiantum nodosum
                                             Adiantum novae-caledoniae
                                                   [Adiantum aneitense var. incisa]
                                                   [Adiantum fulvum]
                                                   [Adiantum thornei]
                                             Adiantum nudum
                                             Adiantum oaxacanum
                                             Adiantum obliquum
                                                   [Adiantum kaulfussii var. platyphyllum]
                                                   [Adiantum macrodus]
                                                   [Adiantum macropus]
                                                   [Adiantum obliquum var. bipinnatum]
                                                   [Adiantum obliquum var. macrodon]
                                                   [Adiantum platyphyllum var. aubletii]
                                                   [Adiantum platyphyllum var. obliquum]
                                                   [Adiantum platyphyllum]
                                             Adiantum ogasawarense
                                             Adiantum olivaceum
                                             Adiantum orbignyanum
                                             Adiantum ornithopodum
                                                   [Adiantum curvatum var. ornithopodum]
                                             Adiantum ovalescens
                                             Adiantum oyapokense
                                             Adiantum palaoense
                                                   [Adiantum palauense]
                                             Adiantum papilio
                                             Adiantum papillosum
                                             Adiantum paraense
                                                   [Adiantum amazonicum]
                                             Adiantum parishii
                                             Adiantum patens
                                               Adiantum patens subsp. oatesii
                                                     [Adiantum oatesii]
                                                     [Adiantum patens var. oatesii]
                                               Adiantum patens subsp. patens
                                                     [Adiantum hippocrepis]
                                             Adiantum pearcei
                                             Adiantum pectinatum
                                             Adiantum pedatum
                                               Adiantum pedatum subsp. calderi
                                               Adiantum pedatum subsp. pedatum
                                                     [Adiantum americanum]
                                                     [Adiantum pedatum f. billingsae]
                                                     [Adiantum pedatum f. contratum]
                                                     [Adiantum pedatum f. laciniatum]
                                                     [Adiantum pedatum f. triangulare]
                                                     [Adiantum pedatum var. kamtschaticum]
                                                     [Adiantum pedatum var. laciniatum]
                                                     [Adiantum pedatum var. praeflexum]
                                                     [Adiantum pedatum var. rangiferinum]
                                                     [Adiantum pedatum var. triangulare]
                                                     [Adiantum pedatum var. tripartitum]
                                               Adiantum pedatum subsp. subpumilum
                                                     [Adiantum pedatum var. subpumilum]
                                               Adiantum pedatum var. pedatum
                                             Adiantum peruvianum
                                             Adiantum petiolatum
                                                   [Adiantum kaulfussii]
                                                   [Adiantum lucidum var. pinnatum]
                                                   [Adiantum oblongatum]
                                                   [Adiantum platyphyllum var. kaulfussii]
                                             Adiantum phanerophlebium
                                                   [Doryopteris phanerophlebia]
                                                   [Pteris phanerophlebia]
                                             Adiantum phanomensis
                                             Adiantum philippense
                                               Adiantum philippense subsp. intermedium
                                               Adiantum philippense subsp. philippense
                                                     [Adiantum arcuatum]
                                                     [Adiantum lunulatum var. dolabriforme]
                                                     [Adiantum lunulatum var. fissum]
                                                     [Adiantum lunulatum var. limbatum]
                                                     [Adiantum lunulatum var. lobatum]
                                                     [Adiantum lunulatum var. pteropus]
                                                     [Adiantum lunulatum var. subjunonicum]
                                                     [Adiantum lunulatum]
                                                     [Adiantum philippense var. dolabriforme]
                                                     [Adiantum philippense var. lobatum]
                                                     [Polypodium arcuatum]
                                                     [Pteris lunulata]
                                                     [Thelypteris arcuata]
                                               Adiantum philippense subsp. teestae
                                                     [Adiantum teestae]
                                             Adiantum phyllitidis
                                             Adiantum poeppigianum
                                                   [Adiantum lucidum var. poeppigiana]
                                             Adiantum poiretii
                                                   [Adiantum gratum]
                                               Adiantum poiretii var. poiretii
                                             Adiantum polyphyllum
                                                   [Adiantum cardiochlaena var. rigidum]
                                                   [Adiantum cardiochlaena]
                                                   [Adiantum grande]
                                                   [Adiantum parallelogrammum]
                                                   [Adiantum politum]
                                                   [Adiantum polyphyllum var. rigidum]
                                                   [Adiantum polyphyllum var. toquisensis]
                                             Adiantum proliferum
                                             Adiantum pseudocajennense
                                             Adiantum pseudotinctum
                                             Adiantum pulchellum
                                             Adiantum pulverulentum
                                                   [Adiantum apiculatum]
                                                   [Adiantum claussenii]
                                                   [Adiantum monosoratum]
                                                   [Adiantum monotis]
                                                   [Adiantum propinquum]
                                                   [Adiantum umbrosum]
                                                   [Pteris dolabriformis]
                                               Adiantum pulverulentum var. caudatum
                                                     [Adiantum serrulatum]
                                             Adiantum pumilum
                                             Adiantum pyramidale
                                                   [Adiantum cristatum var. nigrescens]
                                                   [Adiantum cristatum]
                                                   [Adiantum nigrescens]
                                                   [Adiantum quadriternatum]
                                                   [Polypodium pyramidale]
                                             Adiantum raddianum
                                                   [Adiantum aemulum]
                                                   [Adiantum colpodes]
                                                   [Adiantum cuneatum]
                                                   [Adiantum cuneipinnulum]
                                                   [Adiantum decorum var. quadripinnata]
                                                   [Adiantum decorum]
                                                   [Adiantum mexicanum]
                                                   [Adiantum moorei]
                                                   [Adiantum tinctum]
                                                   [Adiantum wagneri]
                                                   [Adiantum werckleanum]
                                             Adiantum rectangulare
                                             Adiantum reniforme
                                               Adiantum reniforme subsp. pusillum
                                               Adiantum reniforme subsp. reniforme
                                                     [Adiantum flabellum]
                                               Adiantum reniforme var. asarifolium
                                                     [Adiantum asarifolium]
                                                     [Adiantum reniforme subsp. asarifolium]
                                                     [Adiantum reniforme var. hydrocotyloides]
                                               Adiantum reniforme var. reniforme
                                             Adiantum reptans
                                             Adiantum rhizophorum
                                                   [Adiantum caudatum var. rhizophorum]
                                             Adiantum rhizophytum
                                                   [Adiantum caudatum var. rhizophytum]
                                                   [Adiantum rhizophyllum]
                                             Adiantum rivularis
                                             Adiantum roborowskii
                                               Adiantum roborowskii var. faberi
                                                     [Adiantum faberi]
                                                     [Adiantum roborowskii f. faberi]
                                             Adiantum rondonii
                                             Adiantum rufopetalum
                                                   [Adiantum boliviense]
                                             Adiantum rufopunctatum
                                             Adiantum ruizianum
                                                   [Adiantum microsorum]
                                                   [Adiantum steerei]
                                                   [Adiantum veitchianum]
                                             Adiantum scalare
                                             Adiantum schweinfurthii
                                                   [Adiantum chevalieri]
                                             Adiantum seemannii
                                             Adiantum semiorbiculatum
                                             Adiantum sericeum
                                             Adiantum serratifolium
                                                   [Adiantum halleri]
                                             Adiantum serrato-dentatum
                                             Adiantum serratodentatum
                                                   [Adiantum bonplandii]
                                                   [Adiantum cassioides]
                                                   [Adiantum jacobinae]
                                                   [Adiantum kunzei]
                                                   [Adiantum obtusum var. kunzei]
                                                   [Adiantum obtusum]
                                                   [Adiantum proximum]
                                                   [Adiantum rhomboideum var. laxum]
                                                   [Adiantum rhomboideum var. strictum]
                                                   [Adiantum rhomboideum]
                                                   [Adiantum serrato-dentatum var. kunzei]
                                             Adiantum shastense
                                             Adiantum shepherdii
                                             Adiantum siamense
                                             Adiantum silvaticum
                                                   [Adiantum affine var. intermedium]
                                             Adiantum sinuosum
                                                   [Adiantum pensile]
                                                   [Adiantum sinuosum var. minus]
                                             Adiantum soboliferum
                                                   [Adiantum alatum]
                                                   [Adiantum balansae]
                                                   [Adiantum caudatum var. soboliferum]
                                                   [Adiantum incisum var. soboliferum]
                                                   [Adiantum lunulatum var. mettenii]
                                                   [Adiantum mettenii]
                                             Adiantum solomonii
                                             Adiantum spurium
                                                   [Adiantum villosolucidum]
                                             Adiantum squamulosum
                                             Adiantum stenochlamys
                                                   [Adiantum fragiliforme]
                                                   [Adiantum opacum]
                                                   [Adiantum suborbiculare]
                                             Adiantum stolzii
                                             Adiantum subcordatum
                                                   [Adiantum betulinum]
                                                   [Adiantum conicum]
                                                   [Adiantum dilatatum]
                                                   [Adiantum klotschianum]
                                                   [Adiantum subcordatum var. obtusum]
                                                   [Adiantum truncatum]
                                             Adiantum subvolubile
                                                   [Adiantum concinnum var. subscandens]
                                             Adiantum taiwanianum
                                                   [Adiantum roborowskii var. taiwanianum]
                                             Adiantum tenerum
                                                   [Adiantum bessoniae]
                                                   [Adiantum bessonianum]
                                                   [Adiantum extensum]
                                                   [Adiantum fergusonii]
                                                   [Adiantum ghiesbreghtii]
                                                   [Adiantum glaucophyllum]
                                                   [Adiantum littorale]
                                                   [Adiantum multiforme]
                                                   [Adiantum tenerum var. littorale]
                                                   [Adiantum tenerum var. majus]
                                                   [Adiantum tenerum var. minus]
                                                   [Adiantum tenerum var. obtusissimum]
                                                   [Adiantum trapeziforme var. trapezoides]
                                                   [Adiantum trapezoides]
                                               Adiantum tenerum var. farleyense
                                                     [Adiantum farleyense]
                                             Adiantum tenuissimum
                                             Adiantum terminatum
                                             Adiantum tetraphyllum
                                                   [Adiantum hendersoni]
                                                   [Adiantum kohautianum]
                                                   [Adiantum lancea]
                                                   [Adiantum laxum]
                                                   [Adiantum macrocarpum]
                                                   [Adiantum pachysorum]
                                                   [Adiantum prionophyllum var. curtum]
                                                   [Adiantum prionophyllum var. subcoriaceum]
                                                   [Adiantum prionophyllum]
                                                   [Adiantum ternatum]
                                                   [Adiantum tetraphyllum f. apiculatum]
                                                   [Adiantum tetraphyllum f. obtusum]
                                                   [Adiantum tetraphyllum var. costaricense]
                                                   [Adiantum tetraphyllum var. macropterum]
                                                   [Adiantum tetraphyllum var. microphyllum]
                                                   [Adiantum tetraphyllum var. obtusum]
                                                   [Adiantum tetraphyllum var. paucijugum]
                                                   [Adiantum tetraphyllum var. subsimplex]
                                                   [Synaphlebium tetraphyllum]
                                               Adiantum tetraphyllum var. tetraphyllum
                                             Adiantum thalictroides
                                                   [Adiantum crenatum var. glaucescens]
                                                   [Adiantum cyclodes]
                                                   [Adiantum pellucidum]
                                               Adiantum thalictroides f. bottini
                                                     [Adiantum poiretii f. bottini]
                                               Adiantum thalictroides var. hirsutum
                                                     [Adiantum chilense var. glanduliferum]
                                                     [Adiantum chilense var. hirsutum]
                                                     [Adiantum glanduliferum]
                                                     [Adiantum pilosum]
                                                     [Adiantum poiretii var. hirsutum]
                                                     [Adiantum pubescens var. glanduliferum]
                                                     [Adiantum pubescens var. majus]
                                                     [Adiantum pubescens var. minus]
                                                     [Adiantum pubescens var. tripinnatum]
                                                     [Adiantum weatherbyanum]
                                             Adiantum thongthamii
                                             Adiantum tibeticum
                                                   [Adiantum breviserratum]
                                                   [Adiantum venustum subsp. tibeticum]
                                                   [Adiantum venustum var. breviserratum]
                                             Adiantum tomentosum
                                                   [Adiantum klotzschianum]
                                             Adiantum trapeziforme
                                                   [Adiantum cultratum]
                                                   [Adiantum eminens]
                                                   [Adiantum formosissimum]
                                                   [Adiantum pentadactylon]
                                                   [Adiantum schmalzii]
                                                   [Adiantum trapeziforme subsp. pentadactylon]
                                                   [Adiantum trapeziforme var. catharinae]
                                                   [Adiantum trapeziforme var. cultratum]
                                                   [Adiantum trapeziforme var. incisum]
                                                   [Adiantum trapeziforme var. oblongatum]
                                                   [Adiantum trapeziforme var. pentadactylon]
                                                   [Adiantum trapeziforme var. plumieri]
                                             Adiantum trichochlaenum
                                             Adiantum tricholepis
                                                   [Adiantum chilense var. pilosulum]
                                                   [Adiantum fragile var. pubescens]
                                                   [Adiantum tricholepis var. glabrum]
                                             Adiantum trilobum
                                                   [Davallia triloba]
                                                   [Odontosoria triloba]
                                             Adiantum tripteris
                                             Adiantum tryonii
                                             Adiantum tuomistoanum
                                             Adiantum urophyllum
                                                   [Adiantum ceciliae]
                                                   [Adiantum kalbreyeri]
                                                   [Adiantum orosiense]
                                             Adiantum veneris
                                             Adiantum venustum
                                                   [Adiantum argutum]
                                                   [Adiantum bonatianum var. subaristatum]
                                                   [Adiantum bonatianum]
                                                   [Adiantum fimbriatum var. shensiense]
                                                   [Adiantum fimbriatum]
                                                   [Adiantum pseudobonatianum]
                                                   [Adiantum smithianum var. shensiense]
                                                   [Adiantum smithianum]
                                                   [Adiantum venustum var. smithianum]
                                                   [Adiantum venustum var. wuliangense]
                                             Adiantum villosissimum
                                             Adiantum villosum
                                                   [Adiantum acuminatum]
                                                   [Adiantum oblique-truncatum]
                                                   [Adiantum villosum var. falcatum]
                                                   [Adiantum villosum var. macrosorum]
                                             Adiantum viridescens
                                             Adiantum viridimontanum
                                             Adiantum vivesii
                                             Adiantum vogelii
                                                   [Adiantum tetraphyllum var. tenerum]
                                                   [Adiantum tetraphyllum var. vogelii]
                                             Adiantum wattii
                                                   [Adiantum capillus-veneris var. wattii]
                                                   [Adiantum delavayi]
                                                   [Adiantum edentulum f. muticum]
                                                   [Adiantum edentulum f. refractum]
                                                   [Adiantum edentulum]
                                                   [Adiantum levingei]
                                                   [Adiantum muticum]
                                                   [Adiantum refractum]
                                                   [Adiantum veneris var. sinuatum]
                                             Adiantum wilesianum
                                                   [Adiantum crenatum]
                                             Adiantum wilsonii
                                                   [Adiantum wilsonii var. semicordatum]
                                                   [Hewardia wilsonii]
                                             Adiantum windischii
                                             Adiantum x ailaoshanense
                                             Adiantum x janzenianum
                                             Adiantum x moranii
                                             Adiantum x spurium
                                             Adiantum x tracyi
                                             Adiantum x variopinnatum
                                             Adiantum zollingeri
                                                   [Adiantum annamense]
                                                   [Adiantum caudatum var. subglabrum]
                                                   [Adiantum nagnam]
                                             † Adiantum anastomosum
                                             † Adiantum montanense
                                             † Adiantum patagonicum
                                     Ananthacorus
                                             Ananthacorus angustifolius
                                                   [Oetosis angustifolia]
                                                   [Pteris angustifolia]
                                                   [Pteropsis angustifolia]
                                                   [Taenitis angustifolia]
                                                   [Vittaria costata]
                                                   [Vittaria onusta]
                                     Antrophyopsis
                                             Antrophyopsis bivittata
                                                   [Antrophyum bivittatum]
                                             Antrophyopsis boryana
                                                   [Antrophyum boryanum var. obtusum]
                                                   [Antrophyum boryanum]
                                                   [Antrophyum obtusatum]
                                                   [Antrophyum obtusum]
                                                   [Dictyogramme boryana]
                                                   [Dictyogramme obtusa]
                                                   [Hemionitis boryana]
                                                   [Hemionitis obtusa]
                                                   [Hemionitis reticulata]
                                                   [Scoliosorus boryanus]
                                                   [Vittaria boryanum var. obtusum]
                                             Antrophyopsis gigantea
                                                   [Antrophyum giganteum]
                                                   [Dictyogramme gigantea]
                                             Antrophyopsis manniana
                                                   [Antrophyum mannianum]
                                                   [Antrophyum meniscium]
                                                   [Dictyogramme manniana]
                                                   [Scoliosorus mannianus]
                                     Antrophyum
                                             Antrophyum annamense
                                             Antrophyum annetii
                                                   [Antrophyum subsessile var. annetii]
                                             Antrophyum austroqueenslandicum
                                             Antrophyum brassii
                                             Antrophyum cajenense
                                             Antrophyum callifolium
                                                   [Antrophyum alatum]
                                                   [Antrophyum callifolium var. germainii]
                                                   [Antrophyum falcatum]
                                                   [Antrophyum johannis]
                                                   [Antrophyum marginale]
                                                   [Antrophyum nanum]
                                                   [Antrophyum ponapense]
                                                   [Antrophyum reticulatum var. apicilobatum]
                                                   [Hemionitis callifolia]
                                                   [Hemionitis falcata]
                                                   [Pteropsis blumei]
                                                   [Pteropsis marginalis]
                                                   [Taenitis blumei]
                                                   [Taenitis marginalis]
                                             Antrophyum castaneum
                                             Antrophyum costatum
                                             Antrophyum formosanum
                                             Antrophyum henryi
                                             Antrophyum jagoanum
                                             Antrophyum lancifolium
                                             Antrophyum latifolium
                                                   [Dictyogramme latifolia]
                                                   [Hemionitis blumeana]
                                                   [Hemionitis latifolia]
                                             Antrophyum ledermannii
                                             Antrophyum lessonii
                                                   [Hemionitis lessonii]
                                             Antrophyum malgassicum
                                             Antrophyum megistophyllum
                                             Antrophyum novae-caledoniae
                                                   [Antrophyum francii]
                                             Antrophyum obovatum
                                                   [Antrophyum cuneifolium]
                                                   [Antrophyum japonicum]
                                                   [Antrophyum latifolium var. obovatum]
                                                   [Antrophyum petiolatum]
                                             Antrophyum ovatum
                                             Antrophyum parvulum
                                                   [Antrophyum hookerianum]
                                                   [Antrophyum immersum]
                                                   [Antrophyum pumilum]
                                                   [Antrophyum reticulatum var. parvulum]
                                                   [Antrophyum superficiale]
                                                   [Hemionitis hookeriana]
                                                   [Hemionitis immersa]
                                                   [Hemionitis parvula]
                                             Antrophyum plantagineum
                                                   [Antrophyum angustatum]
                                                   [Antrophyum grevillei]
                                                   [Antrophyum plantagineum var. angustatum]
                                                   [Hemionitis reinwardtiana]
                                                   [Hemionitis stipitata]
                                                   [Polytaenium grevillei]
                                             Antrophyum reticulatum
                                                   [Antrophyum clementis]
                                                   [Antrophyum coriaceum]
                                                   [Antrophyum plicatum]
                                                   [Antrophyum wallichianum]
                                                   [Hemionitis concava]
                                                   [Hemionitis coriacea]
                                                   [Solenopteris lanceolata]
                                             Antrophyum semicostatum
                                                   [Antrophyum latipes]
                                                   [Dictyogramme latipes]
                                                   [Hemionitis rigida]
                                                   [Hemionitis semicostata]
                                             Antrophyum sessilifolium
                                                   [Antrophyum cumingii]
                                                   [Hemionitis sessilifolia]
                                             Antrophyum simulans
                                             Antrophyum smithii
                                             Antrophyum solomonense
                                             Antrophyum strictum
                                             Antrophyum subfalcatum
                                             Antrophyum trivittatum
                                                   [Antrophyum perrieranum]
                                             Antrophyum vittarioides
                                                   [Antrophyum brookei]
                                                   [Antrophyum stenophyllum]
                                             Antrophyum williamsii
                                     Haplopteris
                                           [Monogramma]
                                           [Pleurofossa]
                                           [Pleurogramme]
                                             Haplopteris alternans
                                                   [Vittaria alternans]
                                                   [Vittaria hecistophylla]
                                             Haplopteris amboinensis
                                                   [Taeniopsis amboinensis]
                                                   [Vittaria amboinensis]
                                                   [Vittaria chingii]
                                                   [Vittaria ensata]
                                                   [Vittaria lauana]
                                             Haplopteris anguste-elongata
                                                   [Vittaria anguste-elongata]
                                             Haplopteris angustifolia
                                                   [Vittaria angustifolia]
                                                   [Vittaria minor var. minima]
                                                   [Vittaria minor]
                                             Haplopteris angustissima
                                                   [Vittaria angustissima]
                                             Haplopteris capillaris
                                             Haplopteris dareicarpa
                                                   [Monogramma dareicarpa]
                                                   [Pleurofossa dareicarpa]
                                             Haplopteris elongata
                                                   [Oetosis elongata]
                                                   [Pteris graminifolia]
                                                   [Vittaria anodontolepis]
                                                   [Vittaria blumei]
                                                   [Vittaria boninensis]
                                                   [Vittaria elongata var. elongata]
                                                   [Vittaria elongata var. samoensis]
                                                   [Vittaria elongata]
                                                   [Vittaria flaccida]
                                                   [Vittaria hildebrandtii var. major]
                                                   [Vittaria hildebrandtii]
                                                   [Vittaria plantaginea]
                                                   [Vittaria rigida var. samoensis]
                                                   [Vittaria rigida]
                                                   [Vittaria stuhlmannii]
                                                   [Vittaria zosterifolia var. flaccida]
                                             Haplopteris ensata
                                             Haplopteris ensiformis
                                                   [Haplopteris hainanensis]
                                                   [Oetosis ensiformis]
                                                   [Vittaria bensei]
                                                   [Vittaria elongata var. ensiformis]
                                                   [Vittaria ensifolia]
                                                   [Vittaria ensiformis var. ensiformis]
                                                   [Vittaria ensiformis var. latifolia]
                                                   [Vittaria ensiformis]
                                                   [Vittaria hainanensis]
                                                   [Vittaria incurvata]
                                                   [Vittaria montana]
                                                   [Vittaria sessilis]
                                             Haplopteris exigua
                                             Haplopteris flexuosa
                                                   [Haplopteris modesta]
                                                   [Taeniopsis lineata]
                                                   [Vittaria arunachalensis]
                                                   [Vittaria caricina]
                                                   [Vittaria costularis]
                                                   [Vittaria filipes]
                                                   [Vittaria flexuosa var. filipes]
                                                   [Vittaria flexuosa var. japonica]
                                                   [Vittaria flexuosa]
                                                   [Vittaria japonica]
                                                   [Vittaria lanceola]
                                                   [Vittaria modesta]
                                                   [Vittaria nana]
                                                   [Vittaria ophiopogonoides]
                                                   [Vittaria revoluta]
                                             Haplopteris fudzinoi
                                                   [Vittaria centrochinensis]
                                                   [Vittaria fudzinoi]
                                                   [Vittaria japonica var. sessilis]
                                                   [Vittaria suberosa]
                                             Haplopteris graminea
                                                   [Caenopteris graminea]
                                                   [Monogramma graminea]
                                                   [Pteris graminea]
                                             Haplopteris guineensis
                                                   [Pteris guineensis]
                                                   [Vittaria congoensis]
                                                   [Vittaria guineensis var. cancellata]
                                                   [Vittaria guineensis var. guineensis]
                                                   [Vittaria guineensis]
                                               Haplopteris guineensis var. camerooniana
                                                     [Vittaria guineensis var. camerooniana]
                                               Haplopteris guineensis var. orientalis
                                                     [Vittaria guineensis var. orientalis]
                                             Haplopteris heterophylla
                                             Haplopteris hirta
                                                   [Vittaria hirta]
                                             Haplopteris humblotii
                                                   [Vittaria humblotii]
                                             Haplopteris linearifolia
                                                   [Vittaria doniana var. angustata]
                                                   [Vittaria linearifolia]
                                                   [Vittaria tibetica]
                                             Haplopteris longicoma
                                                   [Vittaria longicoma]
                                             Haplopteris malayensis
                                                   [Vittaria malayensis]
                                             Haplopteris mediosora
                                                   [Vittaria mediosora]
                                                   [Vittaria stenophylla]
                                             Haplopteris microlepis
                                                   [Vittaria microlepis var. thwaitesii]
                                                   [Vittaria microlepis]
                                             Haplopteris mindanaoensis
                                             Haplopteris owariensis
                                                   [Vittaria owariensis]
                                             Haplopteris plurisulcata
                                                   [Vittaria plurisulcata]
                                             Haplopteris reekmansii
                                                   [Vittaria reekmansii]
                                             Haplopteris schaeferi
                                                   [Vittaria schaeferi]
                                             Haplopteris schliebenii
                                                   [Vittaria schliebenii]
                                                   [Vittaria volkensii var. schliebenii]
                                             Haplopteris scolopendrina
                                                   [Pteris scolopendrina]
                                                   [Pteropsis scolopendrina]
                                                   [Taeniopsis forbesii]
                                                   [Taeniopsis richiana]
                                                   [Taeniopsis scolopendrina]
                                                   [Taeniopsis zeylanica]
                                                   [Taeniopteris forbesii]
                                                   [Vittaria forbesii]
                                                   [Vittaria latipes]
                                                   [Vittaria scolopendrina]
                                                   [Vittaria scolopendrioides]
                                                   [Vittaria zeylanica]
                                             Haplopteris sessilifrons
                                                   [Vittaria sessilifrons]
                                             Haplopteris sikkimensis
                                                   [Vittaria sikkimensis]
                                             Haplopteris taeniophylla
                                                   [Haplopteris doniana]
                                                   [Haplopteris forrestiana]
                                                   [Haplopteris himalayensis]
                                                   [Vittaria arisanensis]
                                                   [Vittaria doniana var. angusta]
                                                   [Vittaria doniana var. intermedia]
                                                   [Vittaria doniana]
                                                   [Vittaria forrestiana]
                                                   [Vittaria garhwalensis]
                                                   [Vittaria himalayensis var. elongata]
                                                   [Vittaria himalayensis]
                                                   [Vittaria taeniophylla]
                                                   [Vittaria wattii]
                                             Haplopteris vittarioides
                                                   [Pteris vittarioides]
                                                   [Taeniopsis revoluta]
                                                   [Vittaria stricta]
                                             Haplopteris volkensii
                                                   [Vittaria volkensii]
                                             Haplopteris winitii
                                                   [Antrophyum winitii]
                                             Haplopteris yakushimensis
                                             Haplopteris zosterifolia
                                                   [Oetosis zosterifolia]
                                                   [Vittaria angustifrons]
                                                   [Vittaria bisulcata]
                                                   [Vittaria confusa]
                                                   [Vittaria elongata var. angustifolia]
                                                   [Vittaria elongata var. merrillii]
                                                   [Vittaria formosana]
                                                   [Vittaria loricea]
                                                   [Vittaria merrillii]
                                                   [Vittaria ogasawarensis]
                                                   [Vittaria pauciareolata]
                                                   [Vittaria planipes]
                                                   [Vittaria tortifrons]
                                                   [Vittaria zosterifolia]
                                     Hecistopteris
                                             Hecistopteris kaieteurensis
                                             Hecistopteris pinnatifida
                                             Hecistopteris pumila
                                                   [Gymnogramma pumila]
                                                   [Hecistopteris pumila subsp. ceratophylla]
                                                   [Hecistopteris pumila subsp. fimbriata]
                                                   [Hecistopteris pumila subsp. lineata]
                                                   [Vittaria pumila]
                                     Polytaenium
                                           [Anetium]
                                           [Pteridanetium]
                                             Polytaenium anetioides
                                                   [Antrophyum anetioides]
                                             Polytaenium cajenense
                                                   [Antrophyum brasilianum]
                                                   [Antrophyum cayennense]
                                                   [Antrophyum discoideum]
                                                   [Antrophyum lacantunense]
                                                   [Antrophyum spathulatum]
                                                   [Antrophyum subsessile var. elongatum]
                                                   [Antrophyum subsessile]
                                                   [Hemionitis brasiliana]
                                                   [Hemionitis cayennensis]
                                                   [Hemionitis reticulata var. brasiliensis]
                                                   [Polytaenium brasilianum]
                                                   [Polytaenium discoideum]
                                             Polytaenium chlorosporum
                                                   [Antrophyum chlorosporum]
                                             Polytaenium citrifolium
                                                   [Acrostichum citrifolium]
                                                   [Anetium citrifolium var. pendulum]
                                                   [Anetium citrifolium]
                                                   [Anetium sprucei]
                                                   [Antrophyum citrifolium]
                                                   [Antrophyum pendulum]
                                                   [Antrophyum sprucei]
                                                   [Hemionitis citrifolia]
                                                   [Hemionitis parasitica]
                                                   [Hemionitis spatulata]
                                                   [Pteridanetium citrifolium]
                                             Polytaenium dussianum
                                                   [Antrophyum dussianum]
                                             Polytaenium feei
                                                   [Antrophyum feei]
                                                   [Antrophyum lanceolatum var. feei]
                                                   [Antrophyum lanceolatum]
                                                   [Dictyogramme lanceolata]
                                                   [Polytaenium elongatum]
                                                   [Polytaenium feei var. lanceolatum]
                                                   [Polytaenium feei var. schaffneri]
                                                   [Polytaenium lanceolatum]
                                             Polytaenium guayanense
                                                   [Antrophyum guayanense]
                                             Polytaenium intramarginale
                                                   [Antrophyum intramarginale]
                                                   [Polytaenium lineatum var. intramarginale]
                                                   [Vittaria intramarginalis]
                                             Polytaenium jenmanii
                                                   [Antrophyum jenmanii]
                                             Polytaenium lineatum
                                                   [Antrophyum lineatum]
                                                   [Hemionitis lineata]
                                                   [Loxogramme lineata]
                                                   [Vittaria lanceolata]
                                             Polytaenium ophioglossoides
                                                   [Antrophyum ophioglossoides]
                                             Polytaenium quadriseriatum
                                                   [Antrophyum quadriseriatum]
                                             Polytaenium urbanii
                                                   [Antrophyum urbanii]
                                     Radiovittaria
                                             Radiovittaria andina
                                             Radiovittaria gardneriana
                                                   [Vittaria bommeri]
                                                   [Vittaria gardneriana var. gracilis]
                                                   [Vittaria gardneriana]
                                                   [Vittaria gracilis]
                                                   [Vittaria karsteniana]
                                             Radiovittaria karsteniana
                                             Radiovittaria latifolia
                                                   [Vittaria latifolia]
                                             Radiovittaria minima
                                                   [Antrophyum minimum]
                                                   [Antrophyum werckleanum]
                                                   [Hecistopteris minima]
                                                   [Hecistopteris werckleana]
                                                   [Vittaria minima]
                                             Radiovittaria moritziana
                                                   [Vittaria moritziana]
                                                   [Vittaria orbignyana]
                                             Radiovittaria remota
                                                   [Oetosis stipitata var. williamsii]
                                                   [Radiovittaria williamsii]
                                                   [Vittaria remota]
                                                   [Vittaria williamsii]
                                             Radiovittaria ruiziana
                                                   [Pteropsis vittarioides]
                                                   [Radiovittaria vittarioides]
                                                   [Vittaria ruiziana]
                                                   [Vittaria vittarioides]
                                             Radiovittaria salvo-tierrana
                                             Radiovittaria stipitata
                                                   [Oetosis stipitata]
                                                   [Taeniopsis stipitata]
                                                   [Vittaria stipitata]
                                     Rheopteris
                                             Rheopteris cheesmaniae
                                     Scoliosorus
                                             Scoliosorus ensiformis
                                                   [Antrophyum carnosum]
                                                   [Antrophyum ensiforme]
                                                   [Antrophyum galeottii]
                                                   [Dictyogramme ensiformis]
                                                   [Polytaenium ensiforme]
                                     Vaginularia
                                           [Diclidopteris]
                                             Vaginularia acrocarpa
                                                   [Monogramma acrocarpa]
                                                   [Monogramma junghuhnii var. tenella]
                                             Vaginularia capillaris
                                                   [Monogramma capillaris]
                                                   [Pleurofossa capillaris]
                                             Vaginularia emarginata
                                                   [Monogramma emarginata]
                                                   [Pleurofossa emarginata]
                                             Vaginularia junghuhnii
                                                   [Diclidopteris angustissima]
                                                   [Monogramma extensa]
                                                   [Monogramma junghuhnii]
                                                   [Monogramma linearis]
                                                   [Vaginularia angustissima]
                                             Vaginularia paradoxa
                                                   [Monogramma paradoxa]
                                                   [Pleurogramme paradoxa]
                                             Vaginularia subfalcata
                                                   [Monogramma subfalcata]
                                             Vaginularia trichoidea
                                                   [Monogramma trichoidea]
                                     Vittaria
                                           [Aristaria]
                                           [Oetosis]
                                           [Pteropsis]
                                           [Taeniopsis]
                                           [Taeniopteris]
                                             Vittaria appalachiana
                                             Vittaria bonincola
                                             Vittaria boryanum
                                             Vittaria crispomarginata
                                             Vittaria dichotoma
                                             Vittaria exigua
                                             Vittaria flavicosta
                                             Vittaria graminifolia
                                                   [Oetosis lineata var. filifolia]
                                                   [Taeniopsis graminifolia]
                                                   [Taenitis linearis]
                                                   [Vittaria bradeorum]
                                                   [Vittaria dimorpha]
                                                   [Vittaria filifolia]
                                                   [Vittaria lineata var. graminifolia]
                                                   [Vittaria spartimorpha]
                                             Vittaria isoetifolia
                                                   [Oetosis isoetifolia]
                                                   [Vittaria gueinzii]
                                                   [Vittaria longidentata]
                                                   [Vittaria sarmentosa]
                                                   [Vittaria tenera]
                                             Vittaria latissima
                                                   [Vittaria ledermannii]
                                             Vittaria lineata
                                                   [Haplopteris lineata]
                                                   [Oetosis filiformis]
                                                   [Oetosis lineata]
                                                   [Polypodium gramineum]
                                                   [Pteris lineata]
                                                   [Vittaria costaricensis]
                                                   [Vittaria curvidentata]
                                                   [Vittaria deppeana]
                                                   [Vittaria filiformis]
                                                   [Vittaria pachydictyon]
                                                   [Vittaria schkuhrii]
                                                   [Vittaria setacea]
                                             Vittaria lloydiifolia
                                             Vittaria longipes
                                             Vittaria nervosa
                                             Vittaria nymanii
                                             Vittaria pachystemma
                                             Vittaria parvula
                                                   [Vittaria angustata]
                                             Vittaria pluridichotoma
                                             Vittaria scabricoma
                                                   [Vittaria rubens]
                                             Vittaria scabrida
                                             Vittaria semipellucida
                                             Vittaria squamosipes
                                             Vittaria subcoriacea
                                     † Adiantopteris
                                             † Adiantopteris tripinnata
                                     † Contignisporites
                                             † Contignisporites burgerii
                                             † Contignisporites cooksoniae
                                             † Contignisporites cooksonii
                                             † Contignisporites glebulentus
                                     † Diplothmema
                                             † Diplothmema aldrichi
                                             † Diplothmema cheathami
                                             † Diplothmema composita
                                             † Diplothmema erectiloba
                                             † Diplothmema furcata
                                             † Diplothmema glenni
                                             † Diplothmema halberstadi
                                             † Diplothmema mendenhalli
                                             † Diplothmema minor
                                             † Diplothmema morrowensis
                                             † Diplothmema obtusiloba
                                             † Diplothmema pudica
                                             † Diplothmema pygmaeoides
                                             † Diplothmema reniformis
                                             † Diplothmema spectabilis
                                             † Diplothmema subdecipiens
                                             † Diplothmema trifoliolata
                                     † Muricingulisporis
                                             † Muricingulisporis annulatus
                                             † Muricingulisporis chenquensis
                                             † Muricingulisporis verrucosus
                                     † Polypodiaceoisporites
                                             † Polypodiaceoisporites elegans
                                             † Polypodiaceoisporites fossulatus
                                             † Polypodiaceoisporites simplex
                                             † Polypodiaceoisporites tumulatus
                                     † Pteridacidites

Problematic Rooting (300)
                            Marattiaceae
                                     Taeniopteris
                                             † Taeniopteris angustifolia
                                                   [† Danaeopsis angustifolia]

Problematic Rooting (450)
                                             Asplenium hemionitis
                                               Asplenium hemionitis var. longilobatum