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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]
                      Aspleniineae
                            Blechnaceae
                              Blechnoideae
                                     Austroblechnum
                                             Austroblechnum aequatoriense
                                                   [Blechnum aequatoriense]
                                             Austroblechnum aggregatum
                                                   [Blechnum aggregatum]
                                                   [Lomaria aggregata]
                                             Austroblechnum andinum
                                                   [Blechnum andinum]
                                                   [Blechnum subtile]
                                                   [Lomaria andina]
                                                   [Spicanta andina]
                                             Austroblechnum ascendens
                                                   [Blechnum ascendens]
                                             Austroblechnum asperum
                                                   [Blechnum asperum]
                                                   [Lomaria aspera]
                                                   [Spicanta aspera]
                                             Austroblechnum bakeri
                                                   [Blechnum bakeri]
                                                   [Blechnum ivohibense var. hirsutum]
                                                   [Lomaria pubescens]
                                                   [Spicanta bakeri]
                                                   [Spicanta pubescens]
                                             Austroblechnum banksii
                                                   [Blechnum banksii]
                                                   [Lomaria banksii]
                                                   [Spicanta banksii]
                                             Austroblechnum colensoi
                                                   [Blechnum colensoi]
                                                   [Lomaria colensoi]
                                                   [Lomaria heterophylla]
                                             Austroblechnum corralense
                                                   [Blechnum corralense]
                                                   [Struthiopteris corralensis]
                                             Austroblechnum difforme
                                                   [Blechnum difforme]
                                                   [Struthiopteris difformis]
                                             Austroblechnum divergens
                                                   [Acrostichum heterophyllum]
                                                   [Blechnum divergens var. pseudopteropus]
                                                   [Blechnum divergens]
                                                   [Blechnum exaltatum]
                                                   [Blechnum floresii var. spruceana]
                                                   [Blechnum floresii]
                                                   [Blechnum plumieri var. divergens]
                                                   [Blechnum rimbachii]
                                                   [Lomaria divergens]
                                                   [Lomaria exaltata]
                                                   [Lomaria floresii]
                                                   [Lomaria lherminieri var. exaltata]
                                                   [Lomaria rimbachii]
                                                   [Struthiopteris exaltata]
                                             Austroblechnum durum
                                                   [Blechnum durum]
                                                   [Lomaria dura]
                                                   [Lomaria rigida]
                                                   [Spicanta dura]
                                                   [Struthiopteris dura]
                                             Austroblechnum fernandezianum
                                                   [Blechnum blechnoides var. fernandezianum]
                                                   [Blechnum fernandezianum]
                                                   [Blechnum mochaenum var. fernandezianum]
                                             Austroblechnum integrifrons
                                                   [Blechnum integrifrons]
                                             Austroblechnum ivohibense
                                                   [Blechnum bakeri var. glabra]
                                                   [Blechnum ivohibense]
                                                   [Blechnum umbrosum]
                                             Austroblechnum jamaicense
                                                   [Blechnum jamaicense]
                                                   [Struthiopteris jamaicensis]
                                             Austroblechnum keysseri
                                                   [Blechnum borneense]
                                                   [Blechnum deorsolobatum]
                                                   [Blechnum keysseri]
                                                   [Blechnum ledermannii]
                                                   [Blechnum saxatile]
                                                   [Lomaria keysseri]
                                             Austroblechnum lanceolatum
                                                   [Acrostichum nanum]
                                                   [Austroblechnum doodioides]
                                                   [Blechnum chambersii]
                                                   [Blechnum doodioides]
                                                   [Egenolfia nana]
                                                   [Lomaria doodioides]
                                                   [Spicanta lanceolata]
                                                   [Stegania lanceolata]
                                                   [Struthiopteris lanceolata]
                                             Austroblechnum lechleri
                                               Austroblechnum lechleri subsp. achalense
                                                     [Blechnum blechnoides var. achalense]
                                                     [Blechnum lanceolatum var. achalense]
                                                     [Blechnum mochaenum subsp. achalense]
                                                     [Blechnum mochaenum var. achalense]
                                               Austroblechnum lechleri subsp. lechleri
                                                     [Blechnum mochaenum var. mochaenum]
                                                     [Blechnum mochaenum]
                                                     [Lomaria lechleri]
                                             Austroblechnum lehmannii
                                                   [Blechnum lehmannii]
                                                   [Blechnum lherminieri subsp. lehmannii]
                                                   [Blechnum maxonii]
                                                   [Blechnum mexiae]
                                                   [Blechnum microlomaria]
                                                   [Blechnum petiolare]
                                                   [Blechnum petiolaris]
                                                   [Lomaria petiolaris]
                                                   [Struthiopteris maxonii]
                                                   [Struthiopteris mexiae]
                                             Austroblechnum leyboldtianum
                                                   [Blechnum blechnoides]
                                                   [Blechnum leyboldtianum]
                                                   [Blechnum lomarioides]
                                                   [Blechnum valdiviense var. contigua]
                                                   [Blechnum valdiviense]
                                                   [Lomaria blechnoides]
                                                   [Lomaria leyboldtiana]
                                                   [Spicanta blechnoides]
                                                   [Spicanta leyboldtiana]
                                                   [Struthiopteris varians]
                                             Austroblechnum lherminieri
                                                   [Blechnum lherminieri subsp. lherminieri]
                                                   [Blechnum lherminieri]
                                                   [Lomaria lherminieri]
                                                   [Lomaridium lherminieri]
                                                   [Lonchitis lherminieri]
                                                   [Lonchitis-aspera lherminieri]
                                                   [Spicanta lherminieri]
                                                   [Struthiopteris lherminieri]
                                             Austroblechnum melanocaulon
                                               Austroblechnum melanocaulon subsp. melanocaulon
                                                     [Blechnum coriaceum]
                                                     [Blechnum melanocaulon subsp. melanocaulon]
                                                     [Blechnum melanocaulon]
                                                     [Lomaria coriacea]
                                                     [Lomaria cumingiana]
                                                     [Lomaria melanocaulon]
                                               Austroblechnum melanocaulon subsp. pallens
                                                     [Blechnum elongatum]
                                                     [Blechnum melanocaulon subsp. pallens]
                                                     [Lomaria elongata]
                                                     [Lomaria patersonii var. elongata]
                                             Austroblechnum membranaceum
                                                   [Blechnum alternans]
                                                   [Blechnum hamiltonii]
                                                   [Blechnum membranaceum]
                                                   [Blechnum pygmaeum]
                                                   [Lomaria alternans]
                                                   [Lomaria intermedia]
                                                   [Lomaria membranacea]
                                                   [Lomaria oligoneuron]
                                                   [Lomaria pygmaea]
                                                   [Spicanta membranacea]
                                                   [Struthiopteris intermedia]
                                                   [Struthiopteris membranacea]
                                             Austroblechnum microphyllum
                                                   [Blechnum andicola]
                                                   [Blechnum araucanum]
                                                   [Blechnum gayanum f. germainii]
                                                   [Blechnum gayanum]
                                                   [Blechnum germainii]
                                                   [Blechnum lanceolatum var. poeppigianum]
                                                   [Blechnum microphyllum]
                                                   [Blechnum penna-marina subsp. microphyllum]
                                                   [Blechnum poeppigianum]
                                                   [Lomaria andicola]
                                                   [Lomaria araucana]
                                                   [Lomaria australis]
                                                   [Lomaria gayana]
                                                   [Lomaria germainii]
                                                   [Lomaria microphylla]
                                                   [Spicanta germainii]
                                             Austroblechnum norfolkianum
                                                   [Blechnum norfolkianum]
                                                   [Lomaria acuminata]
                                                   [Lomaria attenuata]
                                                   [Lomaria norfolkiana]
                                                   [Spicanta acuminata]
                                             Austroblechnum nukuhivense
                                                   [Blechnum nukuhivense]
                                             Austroblechnum organense
                                                   [Blechnum organense]
                                             Austroblechnum patersonii
                                               Austroblechnum patersonii subsp. patersonii
                                                     [Blechnum patersonii]
                                                     [Lomaria patersonii var. pinnatiloba]
                                                     [Lomaria patersonii]
                                                     [Lomaria punctata]
                                                     [Salpichlaena patersonii]
                                                     [Spicanta patersonii]
                                                     [Stegania patersonii]
                                               Austroblechnum patersonii subsp. queenslandicum
                                                     [Blechnum patersonii subsp. queenslandicum]
                                             Austroblechnum penna-marina
                                                   [Polypodium penna-marina]
                                               Austroblechnum penna-marina subsp. alpina
                                                     [Blechnum alpinum]
                                                     [Blechnum penna-marina subsp. alpina]
                                                     [Lomaria alpina]
                                                     [Stegania alpina]
                                               Austroblechnum penna-marina subsp. penna-marina
                                                     [Acrostichum polytrichoides]
                                                     [Blechnum hillii]
                                                     [Blechnum parvifolium]
                                                     [Blechnum penna-marina subsp. boliviana]
                                                     [Blechnum penna-marina var. boliviana]
                                                     [Blechnum penna-marina var. polypodioides]
                                                     [Blechnum penna-marina var. uliginosa]
                                                     [Blechnum penna-marina]
                                                     [Blechnum uliginosum]
                                                     [Lomaria antarctica]
                                                     [Lomaria distans]
                                                     [Lomaria linearis]
                                                     [Lomaria parvifolia]
                                                     [Lomaria penna-marina]
                                                     [Lomaria polypodioides]
                                                     [Lomaria pumila]
                                                     [Lomaria trichomanoides]
                                                     [Lomaria uliginosa var. magellanica]
                                                     [Lomaria uliginosa]
                                                     [Lonchitis penna-marina]
                                                     [Lonchitis-aspera penna-marina]
                                                     [Spicanta penna-marina]
                                                     [Spicanta pumila]
                                                     [Struthiopteris distans]
                                                     [Struthiopteris penna-marina]
                                             Austroblechnum pinnatifidum
                                                   [Blechnum pinnatifidum]
                                             Austroblechnum raiateense
                                                   [Blechnum raiateense]
                                             Austroblechnum rodriguezii
                                                   [Blechnum rodriguezii]
                                             Austroblechnum squamipes
                                                   [Blechnum lanceolatum var. squamipes]
                                                   [Blechnum mochaenum subsp. squamipes]
                                                   [Blechnum mochaenum var. squamipes]
                                                   [Blechnum squamipes]
                                             Austroblechnum stoloniferum
                                                   [Blechnum ghiesbreghtii]
                                                   [Blechnum stoloniferum]
                                                   [Lomaria ghiesbreghtii]
                                                   [Lomaria stolonifera]
                                                   [Spicanta ghiesbreghtii]
                                                   [Struthiopteris stolonifera]
                                             Austroblechnum vallegrandense
                                                   [Blechnum vallegrandense]
                                             Austroblechnum vieillardii
                                                   [Blechnum vieillardii var. simplex]
                                                   [Blechnum vieillardii var. simplicifolium]
                                                   [Blechnum vieillardii var. vieillardii]
                                                   [Blechnum vieillardii]
                                                   [Lomaria vieillardii]
                                                   [Spicanta vieillardii]
                                             Austroblechnum wardiae
                                                   [Blechnum wardiae]
                                             Austroblechnum x aggregatum
                                             Austroblechnum x rodriguezii
                                     Blechnidium
                                             Blechnidium melanopus
                                                   [Blechnidium plagiogyrifrons]
                                                   [Blechnum melanopus]
                                                   [Blechnum plagiogyrifrons]
                                                   [Spicanta melanopus]
                                     Blechnopsis
                                             Blechnopsis finlaysoniana
                                                   [Asplenium penangianum]
                                                   [Blechnopsis latifolia]
                                                   [Blechnum decurrens]
                                                   [Blechnum finlaysonianum]
                                                   [Salpichlaena finlaysoniana]
                                                   [Salpichlaena latifolia]
                                                   [Spicanta finlaysoniana]
                                             Blechnopsis orientalis
                                                   [Asplenium orientale]
                                                   [Blechnopsis adnata]
                                                   [Blechnopsis cumingiana]
                                                   [Blechnopsis elongata]
                                                   [Blechnopsis imbricata]
                                                   [Blechnopsis javanica]
                                                   [Blechnopsis longifolia]
                                                   [Blechnopsis nitida]
                                                   [Blechnopsis pectinata]
                                                   [Blechnopsis pyrophila]
                                                   [Blechnopsis salicifolia]
                                                   [Blechnopsis stenophylla]
                                                   [Blechnum adnatum]
                                                   [Blechnum agrostifolium]
                                                   [Blechnum auritum]
                                                   [Blechnum imbricatum]
                                                   [Blechnum javanicum]
                                                   [Blechnum longifolium]
                                                   [Blechnum macrophyllum]
                                                   [Blechnum molluccanum]
                                                   [Blechnum nitidum]
                                                   [Blechnum orientale var. grande]
                                                   [Blechnum orientale]
                                                   [Blechnum pyrophyllum]
                                                   [Blechnum salicifolium]
                                                   [Polypodium simplex]
                                                   [Salpichlaena adnata]
                                                   [Salpichlaena cumingiana]
                                                   [Salpichlaena elongata]
                                                   [Salpichlaena imbricata]
                                                   [Salpichlaena longifolia]
                                                   [Salpichlaena nitida]
                                                   [Salpichlaena orientalis]
                                                   [Salpichlaena pectinata]
                                                   [Salpichlaena pyrophylla]
                                                   [Salpichlaena stenophylla]
                                                   [Spicanta elongata]
                                                   [Spicanta orientalis]
                                     Blechnum
                                           [Blechnopteris]
                                           [Distaxia]
                                           [Mesothema]
                                             Blechnum anthracinum
                                             Blechnum appendiculatum
                                                   [Blechnum distans var. meridionale]
                                                   [Blechnum glandulosum]
                                                   [Blechnum heterocarpum]
                                                   [Blechnum meridionale]
                                                   [Blechnum occidentale var. appendiculata]
                                                   [Blechnum occidentale var. glandulosum]
                                                   [Blechnum occidentale var. intermedium]
                                                   [Blechnum occidentale var. meridionale]
                                                   [Blechnum occidentale var. minor]
                                                   [Blechnum occidentale var. pectinatum]
                                                   [Blechnum pectinatum]
                                             Blechnum arcuatum
                                                   [Blechnum acuminatum]
                                                   [Blechnum bibreae]
                                                   [Lomaria bibreae]
                                                   [Spicanta arcuata]
                                             Blechnum areolatum
                                             Blechnum asplenioides
                                                   [Blechnum asplenioides f. minor]
                                                   [Blechnum ceteraccinum]
                                                   [Blechnum delicatum]
                                                   [Blechnum helveolum]
                                                   [Osmunda obtusa]
                                                   [Spicanta asplenioides]
                                             Blechnum auriculatum
                                                   [Blechnum australe subsp. auriculatum]
                                                   [Blechnum australe var. angustifolium]
                                                   [Mesothema auriculatum]
                                             Blechnum australe
                                                   [Blechnopsis australis]
                                                   [Blechnum australe f. glanduliferum]
                                                   [Blechnum australe var. aberrans]
                                                   [Blechnum tricuspe]
                                                   [Lomaria minor]
                                                   [Mesothema australe]
                                                   [Spicanta australis]
                                                   [Struthiopteris australis]
                                               Blechnum australe subsp. australe
                                             Blechnum austrobrasilianum
                                                   [Blechnum rosenstockii]
                                             Blechnum caudatum
                                                   [Blechnum antillanum]
                                             Blechnum confluens
                                                   [Blechnum aduncum]
                                                   [Blechnum triangulare]
                                             Blechnum gracile
                                                   [Blechnum fendleri]
                                                   [Blechnum fraxineum]
                                                   [Blechnum intermedium]
                                                   [Blechnum lellingerianum]
                                                   [Blechnum longifolium var. fraxinea]
                                                   [Blechnum longifolium var. gracile]
                                                   [Blechnum longifolium var. intermedium]
                                                   [Blechnum subdimorphum]
                                                   [Distaxia fraxinea]
                                                   [Spicanta fendleri]
                                                   [Spicanta fraxinea var. gracilis]
                                                   [Spicanta fraxinea]
                                               Blechnum gracile var. pilosum
                                             Blechnum gracilipes
                                                   [Blechnum blechnoides var. gracilipes]
                                             Blechnum guayanense
                                             Blechnum hastatum
                                                   [Blechnopteris hastata]
                                                   [Blechnum auriculatum f. parvula]
                                                   [Blechnum auriculatum f. remotum]
                                                   [Blechnum auriculatum var. parvulum]
                                                   [Blechnum australe f. trilobum]
                                                   [Blechnum australe var. hastata]
                                                   [Blechnum australe var. triloba]
                                                   [Blechnum brevifolium f. acuminatum]
                                                   [Blechnum brevifolium f. imbricatum]
                                                   [Blechnum brevifolium f. nervosum]
                                                   [Blechnum brevifolium f. semidecurrens]
                                                   [Blechnum brevifolium subsp. parvulum]
                                                   [Blechnum brevifolium var. bifurcatum]
                                                   [Blechnum brevifolium var. valdiviense]
                                                   [Blechnum brevifolium]
                                                   [Blechnum ciliatum]
                                                   [Blechnum hastatum f. alternatum]
                                                   [Blechnum hastatum f. punctatum]
                                                   [Blechnum hastatum var. minus]
                                                   [Blechnum hastatum var. trilobum]
                                                   [Blechnum parvulum]
                                                   [Blechnum pubescens]
                                                   [Blechnum remotum]
                                                   [Blechnum trilobum]
                                                   [Lomaria hastata]
                                                   [Lomaria triloba]
                                                   [Mesothema hastatum]
                                                   [Mesothema remotum]
                                                   [Mesothema trilobum]
                                                   [Parablechnum ciliatum]
                                                   [Spicanta hastata]
                                                   [Struthiopteris hastata]
                                                   [Struthiopteris remota]
                                                   [Struthiopteris triloba]
                                                   [Taenitis sagittaefera]
                                             Blechnum heringeri
                                             Blechnum laevigatum
                                                   [Blechnum distans]
                                                   [Blechnum glandulosum var. distans]
                                                   [Blechnum glandulosum var. meridionale]
                                                   [Blechnum juergensii]
                                                   [Blechnum occidentale var. distans]
                                             Blechnum lanceola
                                                   [Blechnum integerrimum]
                                                   [Blechnum lanceola f. minus]
                                                   [Blechnum lanceola var. trifoliatum]
                                                   [Blechnum lanceolatum]
                                                   [Blechnum minutulum]
                                                   [Blechnum plantagineum]
                                                   [Blechnum trifoliatum]
                                                   [Mesothema plantagineum]
                                                   [Spicanta lanceola]
                                                   [Struthiopteris plantaginea]
                                             Blechnum leopoldense
                                                   [Blechnum occidentale var. leopoldense]
                                             Blechnum longipilosum
                                             Blechnum ludificans
                                             Blechnum malacothrix
                                             Blechnum meridense
                                                   [Blechnum diplotaxicum]
                                                   [Blechnum fraxinifolium]
                                                   [Blechnum latifolium]
                                                   [Blechnum longifolium var. meridense]
                                                   [Blechnum schlimense]
                                                   [Lomaria bredemeyeriana]
                                                   [Lonchitis meridensis]
                                             Blechnum nipponicum
                                             Blechnum norfolkense
                                             Blechnum occidentale
                                                   [Blechnum campylotis]
                                                   [Blechnum cillatum]
                                                   [Blechnum cognatum]
                                                   [Blechnum cunninghamii]
                                                   [Blechnum drepanophyllum]
                                                   [Blechnum extensum]
                                                   [Blechnum falcatum]
                                                   [Blechnum flaccisquama]
                                                   [Blechnum galeottii]
                                                   [Blechnum haenkeanum]
                                                   [Blechnum humile]
                                                   [Blechnum lomariaceum]
                                                   [Blechnum meridionale var. pubirhachis]
                                                   [Blechnum mucronatum]
                                                   [Blechnum occidentale f. pubirhachis]
                                                   [Blechnum occidentale var. campylotis]
                                                   [Blechnum occidentale var. caudatum]
                                                   [Blechnum occidentale var. cunninghamii]
                                                   [Blechnum occidentale var. lacerata]
                                                   [Blechnum occidentale var. lomarioides]
                                                   [Blechnum occidentale var. majus]
                                                   [Blechnum occidentale var. pallidum]
                                                   [Blechnum occidentale var. solutum]
                                                   [Blechnum puberulum]
                                                   [Blechnum rugosum]
                                                   [Blechnum scaberulum]
                                                   [Blechnum sodiroi]
                                                   [Blechnum suburbicum]
                                                   [Blechnum triangulatum]
                                                   [Lomaria campylotis]
                                                   [Mesothema appendiculatum]
                                                   [Mesothema campylotis]
                                                   [Spicanta occidentalis]
                                                   [Struthiopteris appendiculata]
                                                   [Struthiopteris caudata]
                                                   Blechnum occidentale f. occidentale
                                               Blechnum occidentale var. occidentale
                                             Blechnum parrisii
                                             Blechnum polypodioides
                                                   [Asplenium blechnoides]
                                                   [Blechnum angustifrons]
                                                   [Blechnum pohlianum]
                                                   [Blechnum polypodioides var. unilaterale]
                                                   [Blechnum scabrum]
                                                   [Blechnum unilaterale var. maius]
                                                   [Blechnum unilaterale]
                                                   [Spicanta unilateralis]
                                             Blechnum punctulatum
                                                   [Blechnopteris punctulata]
                                                   [Blechnum punctulatum f. glanduliferum]
                                                   [Blechnum punctulatum var. scolopendrioides]
                                                   [Blechnum rigidum]
                                                   [Lomaria auriculata]
                                                   [Lomaria densa]
                                                   [Lomaria dregeana]
                                                   [Lomaria punctulata]
                                                   [Mesothema punctulata]
                                                   [Mesothema rigidum]
                                                   [Spicanta punctulata]
                                                   [Struthiopteris dregeana]
                                                   [Struthiopteris punctulata]
                                                   [Struthiopteris rigida]
                                               Blechnum punctulatum var. atherstonei
                                                     [Blechnum atherstonei]
                                                     [Lomaria punctulata var. atherstonei]
                                               Blechnum punctulatum var. intermedium
                                                     [Lomaria punctulata var. intermedia]
                                               Blechnum punctulatum var. krebsii
                                                     [Lomaria krebsii]
                                                     [Lomaria punctulata var. krebsii]
                                                     [Onychium krebsii]
                                                     [Scolopendrium krebsii]
                                               Blechnum punctulatum var. punctulatum
                                             Blechnum tomentosum
                                             Blechnum x caudatum
                                             Blechnum x confluens
                                             Blechnum x falciculatum
                                             Blechnum x leopoldense
                                             Blechnum x pampasicum
                                             † Blechnum anceps
                                             † Blechnum betijoquensis
                                             † Blechnum turbioense
                                     Brainea
                                           [Bowringia]
                                             Brainea insignis
                                                   [Blechnum insigne]
                                                   [Bowringia insignis]
                                                   [Brainea formosana]
                                                   [Brainea insignis var. formosana]
                                     Cleistoblechnum
                                             Cleistoblechnum eburneum
                                                   [Blechnum eburneum]
                                                   [Cleistoblechnum eburneum var. obtusum]
                                                   [Lomaria eburnea]
                                                   [Spicantopsis eburnea var. obtusa]
                                                   [Spicantopsis eburnea]
                                                   [Struthiopteris eburnea var. eburnea]
                                                   [Struthiopteris eburnea var. obtusa]
                                                   [Struthiopteris eburnea]
                                     Cranfillia
                                             Cranfillia bakeri
                                             Cranfillia caudata
                                                   [Blechnum sprucei]
                                                   [Cranfillia sprucei]
                                                   [Lomaria caudata]
                                                   [Spicanta caudata]
                                             Cranfillia deltoides
                                             Cranfillia deplanchei
                                                   [Blechnum deplanchei]
                                             Cranfillia feani
                                             Cranfillia fluviatilis
                                                   [Blechnum fluviatile]
                                                   [Blechnum nudius]
                                                   [Lomaria fluviatilis var. cristata]
                                                   [Lomaria fluviatilis var. multifida]
                                                   [Lomaria fluviatilis]
                                                   [Lomaria rotundifolia]
                                                   [Spicanta fluviatilis]
                                                   [Stegania fluviatilis]
                                             Cranfillia fullagari
                                                   [Blechnum fullagarii]
                                                   [Lomaria fullagari]
                                                   [Spicanta auriculata]
                                             Cranfillia geniculata
                                                   [Blechnum geniculatum]
                                             Cranfillia glabrescens
                                                   [Blechnum glabrescens]
                                                   [Blechnum vulcanicum var. giganteum]
                                             Cranfillia hirsuta
                                                   [Blechnum hirsutum]
                                             Cranfillia longicauda
                                                   [Blechnum longicauda]
                                             Cranfillia mucronata
                                                   [Blechnum plumieri var. mucronata]
                                                   [Lomaria mucronata]
                                             Cranfillia nigra
                                                   [Blechnum nigrum]
                                                   [Lomaria nigra]
                                                   [Polybotrya nana]
                                                   [Spicanta nigra]
                                                   [Struthiopteris nigra]
                                             Cranfillia opaca
                                                   [Blechnum opacum]
                                                   [Lomaria deplanchei]
                                                   [Lomaria emarginata]
                                                   [Lomaria opaca]
                                                   [Spicanta deplanchei]
                                                   [Spicanta opaca]
                                                   [Struthiopteris opaca]
                                             Cranfillia pilosa
                                                   [Blechnum phanerophlebium]
                                                   [Blechnum pilosum]
                                                   [Lomaria pilosa]
                                             Cranfillia sampaioana
                                                   [Blechnum sampaioanum]
                                             Cranfillia venosa
                                             Cranfillia vulcanica
                                                   [Blechnum vulcanicum var. feani]
                                                   [Blechnum vulcanicum var. rapense]
                                                   [Blechnum vulcanicum var. tovii]
                                                   [Blechnum vulcanicum]
                                                   [Lomaria deltoides]
                                                   [Lomaria paucijuga]
                                                   [Lomaria villosa]
                                                   [Lomaria vulcanica]
                                                   [Spicanta vulcanica]
                                     Diploblechnum
                                           [Pteridoblechnum]
                                           [Steenisioblechnum]
                                             Diploblechnum acuminatum
                                                   [Blechnum reticulatum]
                                                   [Leptochilus acuminatus]
                                                   [Pteridoblechnum acuminatum]
                                                   [Steenisioblechnum acuminatum]
                                             Diploblechnum diversifolium
                                                   [Blechnum diversifolium]
                                                   [Lomaria diversifolia]
                                                   [Spicanta diversifolia]
                                                   [Struthiopteris diversifolia]
                                             Diploblechnum fraseri
                                                   [Blechnum fraseri var. philippinensis]
                                                   [Blechnum fraseri]
                                                   [Blechnum integripinnulum]
                                                   [Diploblechnum integripinnulum]
                                                   [Lomaria fraseri var. philippinensis]
                                                   [Lomaria fraseri]
                                                   [Spicanta fraseri]
                                                   [Struthiopteris fraseri]
                                                   [Struthiopteris integripinnula]
                                             Diploblechnum lenormandii
                                                   [Blechnum lenormandii]
                                                   [Lomaria lenormandii]
                                                   [Spicanta lenormandii]
                                             Diploblechnum neglectum
                                                   [Acrostichum neglectum]
                                                   [Blechnum neglectum]
                                                   [Bolbitis neglecta]
                                                   [Campium neglectum]
                                                   [Gymnopteris neglecta]
                                                   [Leptochilus neglectus]
                                                   [Pteridoblechnum neglectum]
                                             Diploblechnum rosenstockii
                                                   [Blechnum fraseri var. novoguineense]
                                                   [Blechnum tengwallii]
                                     Doodia
                                             Doodia aspera
                                                   [Blechnum neohollandicum]
                                                   [Doodia aspera var. angustifrons]
                                                   [Woodwardia aspera]
                                             Doodia australis
                                                   [Blechnum parrisiae]
                                                   [Doodia media subsp. australis]
                                             Doodia brackenridgei
                                                   [Blechnum brackenridgei]
                                             Doodia caudata
                                                   [Blechnum rupestre]
                                                   [Blechnum spinulosum]
                                                   [Doodia aspera var. caudata]
                                                   [Doodia caudata var. dimorpha]
                                                   [Doodia caudata var. moorei]
                                                   [Doodia harryana]
                                                   [Doodia media var. moorei]
                                                   [Doodia rupestris]
                                                   [Woodwardia caudata]
                                               Doodia caudata var. caudata
                                             Doodia dissecta
                                                   [Blechnum dissectum]
                                             Doodia dives
                                                   [Blechnum dives]
                                                   [Woodwardia dives]
                                             Doodia gracilis
                                                   [Blechnum austrocaledonicum]
                                             Doodia heterophylla
                                                   [Blechnum doodianum]
                                                   [Doodia aspera var. heterophylla]
                                             Doodia hindii
                                                   [Blechnum hindii]
                                             Doodia kunthiana
                                                   [Blechnum hawaiianum]
                                                   [Blechnum norfolkiense]
                                                   [Woodwardia kunthiana]
                                             Doodia linearis
                                                   [Blechnum lineare]
                                                   [Doodia caudata var. laminosa]
                                             Doodia lyonii
                                                   [Blechnum lyonii]
                                             Doodia marquesensis
                                                   [Blechnum marquesense]
                                             Doodia maxima
                                                   [Blechnum maximum]
                                                   [Doodia aspera var. blechnoides]
                                                   [Doodia blechnoides]
                                                   [Woodwardia blechnoides]
                                                   [Woodwardia desvauxii]
                                             Doodia media
                                                   [Blechnum medium]
                                                   [Doodia aucklandica]
                                                   [Doodia caudata f. triloba]
                                                   [Doodia caudata var. media]
                                                   [Doodia caudata var. triloba]
                                                   [Doodia connexa]
                                                   [Doodia duriuscula]
                                                   [Doodia lunulata]
                                                   [Doodia polysora]
                                                   [Woodwardia connexa]
                                                   [Woodwardia lunulata]
                                                   [Woodwardia media]
                                               Doodia media subsp. media
                                             Doodia mollis
                                                   [Blechnum molle]
                                             Doodia paschalis
                                                   [Blechnum paschale]
                                             Doodia scaberula
                                                   [Blechnum polinesicum]
                                             Doodia squarrosa
                                                   [Blechnum zeelandicum]
                                                   [Doodia caudata var. squarrosa]
                                     Icarus
                                             Icarus filiformis
                                                   [Blechnum filiforme]
                                                   [Blechnum reptans]
                                                   [Lomaria filiformis]
                                                   [Lomaria pimpinellifolia]
                                                   [Lomaria propinqua]
                                                   [Lomariopsis heteromorpha]
                                                   [Osmunda reptans]
                                                   [Spicanta filiformis]
                                                   [Stenochlaena feejeensis]
                                                   [Stenochlaena heteromorpha]
                                                   [Struthiopteris filiformis]
                                     Lomaria
                                           [Stegania]
                                             Lomaria brunea
                                                   [Blechnum bruneum]
                                             Lomaria discolor
                                                   [Blechnum discolor]
                                                   [Gymnopteris discolor]
                                                   [Hemionitis discolor]
                                                   [Lomaria falcata]
                                                   [Lonchitis-aspera discolor]
                                                   [Onoclea discolor]
                                                   [Osmunda discolor]
                                                   [Spicanta discolor]
                                                   [Stegania discolor]
                                                   [Struthiopteris discolor]
                                             Lomaria inflexa
                                                   [Blechnum inflexum]
                                                   [Lomaria discolor var. natalensis]
                                                   [Lomaria lanceolata]
                                                   [Lomariocycas inflexa]
                                                   [Struthiopteris inflexa]
                                             Lomaria nuda
                                                   [Blechnum discolor var. bipinnatifidum]
                                                   [Blechnum nudum]
                                                   [Lomaria discolor var. bipinnatifida]
                                                   [Lomaria discolor var. bipinnatisecta]
                                                   [Onoclea nuda]
                                                   [Stegania falcata]
                                                   [Stegania nuda]
                                             Lomaria oceanica
                                                   [Blechnum attenuatum var. gigantea]
                                                   [Blechnum attenuatum var. oceanicum]
                                                   [Blechnum oceanicum]
                                               Lomaria oceanica var. flocculosum
                                                     [Blechnum flocculosum]
                                                     [Blechnum oceanicum var. flocculosum]
                                             Lomaria spannagelii
                                                   [Blechnum spannagelii]
                                     Lomaridium
                                             Lomaridium acutum
                                                   [Blechnum acutum]
                                                   [Blechnum binervatum subsp. acutum]
                                                   [Blechnum kunthianum]
                                                   [Lomaria acuta]
                                                   [Lomaria angustifolia]
                                                   [Lomaria cuspidata]
                                                   [Lomaria meridensis]
                                                   [Lonchitis-aspera meridensis]
                                                   [Spicanta acuta]
                                             Lomaridium attenuatum
                                                   [Blechnum attenuatum var. attenuatum]
                                                   [Blechnum attenuatum var. confine]
                                                   [Blechnum attenuatum var. giganteum]
                                                   [Blechnum attenuatum var. holstii]
                                                   [Blechnum attenuatum]
                                                   [Blechnum confine]
                                                   [Blechnum giganteum]
                                                   [Blechnum heterophyllum]
                                                   [Blechnum polypodioides var. holstii]
                                                   [Lomaria circinnata]
                                                   [Lomaria confinis]
                                                   [Lomaria decipiens]
                                                   [Lomaria gigantea]
                                                   [Lomaria hamata]
                                                   [Onoclea attenuata]
                                                   [Spicanta attenuata]
                                             Lomaridium biforme
                                                   [Blechnum biforme]
                                                   [Blechnum microbasis var. biforme]
                                                   [Blechnum microbasis]
                                                   [Lomaria biformis]
                                                   [Lomaria microbasis]
                                                   [Spicanta biformis]
                                                   [Spicanta microbasis]
                                             Lomaridium binervatum
                                                   [Blechnum binervatum]
                                                   [Blechnum meridense var. costaricense]
                                                   [Blechnum plumieri var. nigrocarinatum]
                                                   [Blechnum plumieri]
                                                   [Lomaria binervata]
                                                   [Lomaria martinicensis]
                                                   [Lomaria plumieri]
                                                   [Lomaridium plumieri]
                                                   [Lonchitis plumieri]
                                                   [Lonchitis-aspera plumieri]
                                                   [Polypodium binervatum]
                                                   [Spicanta plumieri]
                                                   [Struthiopteris plumieri]
                                             Lomaridium bonapartei
                                                   [Blechnum bonapartei]
                                             Lomaridium contiguum
                                                   [Blechnum contiguum]
                                                   [Blechnum pseudovulcanicum]
                                                   [Lomaria contigua]
                                                   [Struthiopteris contigua]
                                             Lomaridium dendrophilum
                                                   [Blechnum dendrophilum]
                                                   [Lomaria dendrophila]
                                             Lomaridium ensiforme
                                                   [Blechnum ensiforme]
                                                   [Lomaria ensiformis]
                                                   [Struthiopteris ensiformis]
                                             Lomaridium fragile
                                                   [Blechnum binervatum subsp. fragile]
                                                   [Blechnum feei]
                                                   [Blechnum fragile]
                                                   [Blechnum onocleoides]
                                                   [Blechnum polypodioides var. caudata]
                                                   [Lomaria decrescens]
                                                   [Lomaria feei]
                                                   [Lomaria fragilis]
                                                   [Lomaria mexicana]
                                                   [Lomaria onocleoides]
                                                   [Lomaria polypoidiodes]
                                                   [Lonchitis feei]
                                                   [Lonchitis polypodioides]
                                                   [Lonchitis-aspera feei]
                                                   [Lonchitis-aspera polypodioides]
                                                   [Osmunda polypodioides]
                                                   [Spicanta onocleoides]
                                                   [Spicanta polypodioides]
                                                   [Struthiopteris feei]
                                                   [Struthiopteris polypodioides f. fallax]
                                                   [Struthiopteris polypodioides]
                                             Lomaridium fuscosquamosum
                                                   [Blechnum fuscosquamosum]
                                             Lomaridium nigrocostatum
                                                   [Blechnum nigrocostatum]
                                             Lomaridium pteropus
                                                   [Blechnum pteropus]
                                                   [Lomaria attenuata var. pteropus]
                                                   [Lomaria pteropus]
                                             Lomaridium schottii
                                                   [Blechnum schottii]
                                                   [Lomaria bella]
                                                   [Lomaria fernandeziana]
                                                   [Lomaria schottii]
                                                   [Lomariocycas schottii]
                                             Lomaridium simillimum
                                                   [Blechnum simillimum]
                                                   [Lomaria simillima]
                                                   [Spicanta simillima]
                                             Lomaridium xiphophyllum
                                                   [Blechnum binerve]
                                                   [Blechnum humblotii]
                                                   [Blechnum simillimum f. binerve]
                                                   [Blechnum simillimum var. xiphophyllum]
                                                   [Blechnum xiphophyllum]
                                                   [Lomaria stenophylla]
                                                   [Lomaria xiphophylla]
                                                   [Polypodium binerve]
                                                   [Spicanta stenophylla]
                                                   [Spicanta xiphophylla]
                                                   [Struthiopteris binervis]
                                     Lomariocycas
                                             Lomariocycas aurata
                                                   [Blechnum auratum]
                                                   [Blechnum buchtienii]
                                                   [Lomaria aurata]
                                                   [Lomariocycas buchtienii]
                                                   [Struthiopteris buchtienii]
                                             Lomariocycas columbiensis
                                                   [Blechnum auratum subsp. columbiense]
                                                   [Blechnum columbiense var. bogotensis]
                                                   [Blechnum columbiense]
                                                   [Lomaria columbiensis]
                                             Lomariocycas cycadifolia
                                                   [Blechnum cycadifolium]
                                                   [Blechnum lanuginosum]
                                                   [Lomaria cycadifolia]
                                                   [Lomaria lanuginosa]
                                                   [Struthiopteris cycadifolia]
                                             Lomariocycas decrescens
                                                   [Blechnum decrescens]
                                             Lomariocycas insularis
                                                   [Blechnum ekmanii]
                                                   [Blechnum insularum]
                                                   [Blechnum underwoodianum]
                                                   [Lomariocycas underwoodiana]
                                                   [Struthiopteris underwoodiana]
                                             Lomariocycas longepetiolata
                                                   [Blechnum longepetiolatum]
                                             Lomariocycas longipinna
                                                   [Blechnum longipinnum]
                                             Lomariocycas madagascariensis
                                                   [Blechnum madagascariense]
                                             Lomariocycas magellanica
                                                   [Blechnum magellanicum var. bipinnatifidum]
                                                   [Blechnum magellanicum var. setigerum]
                                                   [Blechnum magellanicum]
                                                   [Blechnum tabulare var. setigerum]
                                                   [Lomaria magellanica]
                                                   [Lomaria setigera]
                                             Lomariocycas moritziana
                                             Lomariocycas obtusifolia
                                                   [Blechnum obtusifolium]
                                                   [Lomaria obtusifolia]
                                                   [Spicanta capensis var. obtusifolia]
                                             Lomariocycas palmiformis
                                                   [Blechnum palmiforme]
                                                   [Lomaria palmiformis]
                                                   [Lomaria robusta]
                                                   [Pteris palmiformis]
                                             Lomariocycas rufa
                                                   [Blechnum robustum]
                                                   [Blechnum rufum]
                                                   [Struthiopteris rufa]
                                             Lomariocycas schomburgkii
                                                   [Blechnum bradei]
                                                   [Blechnum exiguum]
                                                   [Blechnum moritzianum]
                                                   [Blechnum schomburgkii]
                                                   [Lomaria moritziana]
                                                   [Lomaria rufa]
                                                   [Lomaria schomburgkii]
                                             Lomariocycas shaferi
                                                   [Blechnum shaferi]
                                                   [Struthiopteris shaferi]
                                             Lomariocycas tabularis
                                                   [Blechnum boryanum]
                                                   [Blechnum cycadoides]
                                                   [Blechnum dalgairnsiae]
                                                   [Blechnum gueinzii]
                                                   [Blechnum imperiale]
                                                   [Blechnum schottianum]
                                                   [Blechnum tabulare var. imperiale]
                                                   [Blechnum tabulare]
                                                   [Blechnum wolamense]
                                                   [Lomaria boryana]
                                                   [Lomaria cinnamomea]
                                                   [Lomaria cycadoides]
                                                   [Lomaria dalgairnsiae]
                                                   [Lomaria gueinzii]
                                                   [Lomaria imperialis]
                                                   [Lomaria tabularis]
                                                   [Lonchitis tabularis]
                                                   [Lonchitis-aspera tabularis]
                                                   [Onoclea boryana]
                                                   [Pteris osmundoides]
                                                   [Pteris tabularis]
                                                   [Spicanta osmundoides]
                                                   [Spicanta tabularis]
                                                   [Struthiopteris imperialis]
                                             Lomariocycas werckleana
                                                   [Blechnum werckleanum]
                                                   [Lomaria werckleana]
                                                   [Struthiopteris werckleana]
                                             Lomariocycas yungensis
                                                   [Blechnum yungense]
                                     Neoblechnum
                                             Neoblechnum brasiliense
                                                   [Blechnopsis brasiliensis]
                                                   [Blechnum brasiliense f. multifida]
                                                   [Blechnum brasiliense var. angustifolium]
                                                   [Blechnum brasiliense var. corcovadense]
                                                   [Blechnum brasiliense]
                                                   [Blechnum corcovadense]
                                                   [Blechnum fluminense]
                                                   [Blechnum nigrosquamatum]
                                                   [Blechnum validum]
                                                   [Salpichlaena brasiliensis]
                                                   [Spicanta brasiliense]
                                     Oceaniopteris
                                             Oceaniopteris cartilaginea
                                                   [Blechnopsis cartilaginea]
                                                   [Blechnum cartilagineum var. tropicum]
                                                   [Blechnum cartilagineum var. woodwardioides]
                                                   [Blechnum cartilagineum]
                                                   [Blechnum nitidum var. contracta]
                                                   [Salpichlaena cartilaginea]
                                                   [Spicanta cartilaginea]
                                             Oceaniopteris ciliata
                                                   [Blechnum moorei]
                                                   [Lomaria ciliata]
                                                   [Spicanta ciliata]
                                             Oceaniopteris egregia
                                                   [Blechnum egregium]
                                             Oceaniopteris francii
                                                   [Blechnum francii]
                                                   [Blechnum obtusatum var. francii]
                                             Oceaniopteris gibba
                                                   [Blechnum gibbum]
                                                   [Blechnum neocaledonicum]
                                                   [Lomaria gibba]
                                                   [Lomaria neocaledonica]
                                                   [Struthiopteris gibba]
                                             Oceaniopteris obtusata
                                                   [Blechnum obtusatum]
                                                   [Lomaria obtusata]
                                                   [Spicanta obtusata]
                                             Oceaniopteris vittata
                                                   [Blechnum bamlerianum]
                                                   [Blechnum cartilagineum var. vittatum]
                                                   [Blechnum dentatum]
                                                   [Blechnum vittatum]
                                                   [Lomaria bamleriana]
                                                   [Lomaria dentata]
                                                   [Lomaria vittata]
                                                   [Spicanta vittata]
                                                   [Struthiopteris dentata]
                                             Oceaniopteris whelanii
                                                   [Blechnum nigropaleaecum]
                                                   [Blechnum whelanii]
                                     Parablechnum
                                           [Orthogramma]
                                             Parablechnum acanthopodum
                                                   [Blechnum acanthopodum]
                                             Parablechnum ambiguum
                                                   [Blechnopteris ambiguum]
                                                   [Blechnum ambiguum]
                                                   [Blechnum procerum var. blechnoides]
                                                   [Doodia caudata var. lomarina]
                                                   [Lomaria ambigua]
                                                   [Lomaria procera var. blechnoides]
                                                   [Lomaria scabra]
                                                   [Orthogramma laevigata]
                                                   [Parablechnum procerum var. acuminata]
                                                   [Spicanta laevigata]
                                             Parablechnum articulatum
                                                   [Blechnum articulatum]
                                                   [Lomaria articulata]
                                                   [Plagiogyria articulata]
                                             Parablechnum atropurpureum
                                                   [Blechnum atropurpureum]
                                             Parablechnum bicolor
                                                   [Blechnum bicolor]
                                             Parablechnum bolivianum
                                                   [Blechnum bolivianum]
                                             Parablechnum camfieldii
                                                   [Blechnum camfieldii]
                                                   [Blechnum capense var. scabrum]
                                                   [Blechnum minus subsp. scabrum]
                                             Parablechnum capense
                                                   [Blechnum capense]
                                                   [Blechnum sylvaticum]
                                                   [Lomaria capensis f. luxurians]
                                                   [Lomaria capensis]
                                                   [Lonchitis capensis]
                                                   [Lonchitis-aspera capensis]
                                                   [Onoclea capensis]
                                                   [Spicanta capensis]
                                             Parablechnum chauliodontum
                                                   [Blechnum chauliodontum]
                                                   [Struthiopteris chauliodonta]
                                             Parablechnum chiriquanum
                                                   [Blechnum chiriquanum]
                                                   [Struthiopteris chiriquana]
                                             Parablechnum christii
                                                   [Blechnum christii]
                                                   [Lomaria spissa]
                                                   [Struthiopteris christii]
                                             Parablechnum cochabambense
                                                   [Blechnum cochabambense]
                                             Parablechnum confusum
                                                   [Blechnum capense var. procera]
                                                   [Blechnum confusum]
                                                   [Lomaria confusa]
                                             Parablechnum corbassonii
                                                   [Blechnum corbassonii]
                                             Parablechnum cordatum
                                                   [Blechnum arborescens]
                                                   [Blechnum capense var. ornifolium]
                                                   [Blechnum chilense f. imbricatum]
                                                   [Blechnum chilense var. reedii]
                                                   [Blechnum chilense]
                                                   [Blechnum cordatum]
                                                   [Blechnum euraddianum]
                                                   [Blechnum gilliesii]
                                                   [Blechnum itatiaiense]
                                                   [Blechnum macahense]
                                                   [Blechnum ornifolium]
                                                   [Blechnum peruvianum]
                                                   [Blechnum raddianum]
                                                   [Blechnum reedii]
                                                   [Blechnum regnellianum]
                                                   [Blechnum simile]
                                                   [Lomaria arborescens]
                                                   [Lomaria brasiliensis]
                                                   [Lomaria chilensis]
                                                   [Lomaria cordata]
                                                   [Lomaria gilliesii]
                                                   [Lomaria ornifolia]
                                                   [Lomaria reedii]
                                                   [Lomaria regnelliana]
                                                   [Lomaria serrulosa]
                                                   [Lonchitis-aspera capensis var. chilensis]
                                                   [Orthogramma gilliesii]
                                                   [Parablechnum chilense]
                                                   [Spicanta capensis var. gilliesii]
                                                   [Spicanta capensis var. lechleri]
                                                   [Struthiopteris brasiliensis]
                                                   [Struthiopteris gilliesii]
                                             Parablechnum dilatatum
                                                   [Blechnum decorum var. dilatatum]
                                                   [Blechnum dilatatum]
                                             Parablechnum falciforme
                                                   [Blechnum falciforme]
                                                   [Lomaria falciformis]
                                                   [Struthiopteris falciformis]
                                             Parablechnum gemmascens
                                                   [Blechnum gemmascens]
                                             Parablechnum glaziovii
                                                   [Blechnum glaziovii]
                                                   [Lomaria glaziovii]
                                             Parablechnum gregsonii
                                                   [Blechnum capense var. gregsoni]
                                                   [Blechnum gregsonii]
                                             Parablechnum hieronymi
                                                   [Blechnum acutiusculum]
                                                   [Blechnum brassii]
                                                   [Blechnum decorum]
                                                   [Blechnum hieronymi]
                                                   [Lomaria acutiuscula]
                                                   [Parablechnum decorum]
                                                   [Struthiopteris acutiuscula]
                                                   [Struthiopteris decora]
                                             Parablechnum howeanum
                                                   [Blechnum howeanum]
                                             Parablechnum lechleri
                                                   [Blechnum lechleri]
                                                   [Blechnum violaceum]
                                                   [Lomaria violacea]
                                                   [Struthiopteris violacea]
                                             Parablechnum lima
                                                   [Blechnum lima]
                                             Parablechnum lineatum
                                                   [Blechnum lineatum]
                                                   [Lomaria alta]
                                                   [Lomaria lineata]
                                                   [Lomaria palustris]
                                                   [Lomaria tuberculata]
                                                   [Onoclea lineata]
                                                   [Osmunda lineata]
                                                   [Struthiopteris lineata]
                                             Parablechnum longistipitatum
                                                   [Blechnum longistipitatum]
                                             Parablechnum loxense
                                                   [Blechnum loxense var. loxense]
                                                   [Blechnum loxense]
                                                   [Blechnum stuebelii]
                                                   [Lomaria loxensis]
                                                   [Lomaria squamulosa]
                                                   [Struthiopteris loxensis]
                                               Parablechnum loxense var. stenophyllum
                                                     [Blechnum loxense var. stenophyllum]
                                                     [Blechnum stenophyllum]
                                             Parablechnum marginatum
                                                   [Blechnum marginatum]
                                                   [Blechnum montbrisonis]
                                                   [Lomaria marginata]
                                               Parablechnum marginatum var. humbertii
                                                     [Blechnum humbertii]
                                                     [Blechnum montbrisonis var. humbertii]
                                             Parablechnum milnei
                                                   [Blechnum kermadecense]
                                                   [Blechnum milnei]
                                                   [Doodia caudata var. milnei]
                                                   [Doodia media var. milnei]
                                                   [Lomaria milnei]
                                             Parablechnum minus
                                                   [Blechnum capense var. minor]
                                                   [Blechnum minus]
                                                   [Lomaria procera var. minor]
                                                   [Lomaria procera var. paludosa]
                                                   [Stegania minor]
                                             Parablechnum monomorphum
                                                   [Blechnum monomorphum]
                                             Parablechnum montanum
                                                   [Blechnum montanum]
                                             Parablechnum moranianum
                                                   [Blechnum moranianum]
                                             Parablechnum nesophilum
                                                   [Blechnum nesophilum]
                                             Parablechnum novae-zelandiae
                                                   [Blechnum novae-zelandiae]
                                             Parablechnum obtusum
                                                   [Blechnum obtusum]
                                             Parablechnum pacificum
                                                   [Blechnum pacificum]
                                             Parablechnum paucipinna
                                             Parablechnum pazense
                                                   [Blechnum pazense]
                                             Parablechnum procerum
                                                   [Blechnopteris procera]
                                                   [Blechnum procerum]
                                                   [Lomaria procera]
                                                   [Lonchitis-aspera capensis var. procera]
                                                   [Onoclea procera]
                                                   [Osmunda procera]
                                                   [Spicanta capensis var. procera]
                                                   [Stegania procera]
                                             Parablechnum proliferum
                                                   [Blechnum proliferum]
                                                   [Blechnum tenuifolium]
                                                   [Blechnum viviparum]
                                                   [Struthiopteris vivipara]
                                             Parablechnum puniceum
                                                   [Blechnum puniceum]
                                             Parablechnum reflexum
                                                   [Blechnum reflexum]
                                             Parablechnum repens
                                                   [Blechnum repens]
                                             Parablechnum revolutum
                                                   [Blechnum archboldii]
                                                   [Blechnum revolutum]
                                                   [Lomaria revoluta]
                                                   [Struthiopteris revoluta]
                                             Parablechnum rheophyticum
                                                   [Blechnum rheophyticum]
                                             Parablechnum roraimense
                                             Parablechnum ryanii
                                                   [Blechnum nesioticum]
                                                   [Blechnum ryanii]
                                                   [Blechnum striatum]
                                                   [Lomaria ryanii]
                                                   [Lomaria striata]
                                                   [Lonchitis-aspera capensis var. striata]
                                                   [Onoclea striata]
                                                   [Struthiopteris striata]
                                             Parablechnum schiedeanum
                                                   [Blechnum acrodontum]
                                                   [Blechnum capense var. danaeaceum]
                                                   [Blechnum costaricensis]
                                                   [Blechnum danaeaceum]
                                                   [Blechnum schiedeanum]
                                                   [Blechnum varians]
                                                   [Lomaria acrodonta]
                                                   [Lomaria danaeacea]
                                                   [Lomaria longifolia]
                                                   [Lomaria schiedeana]
                                                   [Lomaria spectabilis]
                                                   [Lomaria varians]
                                                   [Struthiopteris costaricensis]
                                                   [Struthiopteris danaeacea]
                                                   [Struthiopteris schiedeana]
                                             Parablechnum sessilifolium
                                                   [Blechnum sessilifolium]
                                                   [Lomaria sessilifolia]
                                                   [Struthiopteris sessilifolia]
                                             Parablechnum smilodon
                                                   [Blechnum smilodon]
                                             Parablechnum squamatum
                                                   [Blechnum squamatum]
                                             Parablechnum squamosissimum
                                                   [Blechnum squamosissimum]
                                             Parablechnum stipitellatum
                                                   [Blechnum rubicundum]
                                                   [Blechnum stipitellatum]
                                                   [Lomaria stipitellata]
                                             Parablechnum stuebelii
                                             Parablechnum subcordatum
                                                   [Blechnum subcordatum]
                                                   [Lomaria subcordata]
                                             Parablechnum triangularifolium
                                                   [Blechnum triangularifolium]
                                             Parablechnum tuerckheimii
                                                   [Blechnum tuerckheimii]
                                                   [Struthiopteris tuerckheimii]
                                             Parablechnum usterianum
                                                   [Blechnum usterianum]
                                                   [Lomaria usteriana]
                                             Parablechnum venosum
                                                   [Blechnum venosum]
                                             Parablechnum vestitum
                                                   [Blechnum pyrophilum]
                                                   [Blechnum vestitum]
                                                   [Lomaria glandulifera]
                                                   [Lomaria pyrophila]
                                                   [Lomaria vestita]
                                             Parablechnum wattsii
                                                   [Blechnum capense var. vestitum]
                                                   [Blechnum wattsii]
                                             Parablechnum werffii
                                                   [Blechnum werffii]
                                             Parablechnum wohlgemuthii
                                             Parablechnum wurunuran
                                                   [Blechnum capense var. appendiculatum]
                                                   [Blechnum wurunuran]
                                                   [Lomaria eximia]
                                     Sadleria
                                             Sadleria cyatheoides
                                                   [Blechnum cyatheoides]
                                                   [Blechnum fontanesianum]
                                                   [Blechnum kaulfussianum]
                                                   [Woodwardia cyatheoides]
                                             Sadleria pallida
                                                   [Blechnum pallidum]
                                                   [Sadleria fauriei]
                                                   [Sadleria hillebrandii]
                                                   [Sadleria rigida]
                                             Sadleria souleyetiana
                                                   [Blechnum souleyetianum]
                                             Sadleria squarrosa
                                                   [Blechnum polystichoides]
                                                   [Blechnum squarrosum]
                                                   [Gymnogramma sadlerioides]
                                                   [Sadleria polystichoides]
                                             Sadleria unisora
                                                   [Blechnum unisorum]
                                                   [Polypodium unisorum]
                                             Sadleria wagneriana
                                                   [Blechnum wagnerianum]
                                     Struthiopteris
                                           [Homophyllum]
                                           [Lonchitis-aspera]
                                           [Spicanta]
                                           [Spicantopsis]
                                             Struthiopteris amabilis
                                                   [Blechnum amabile]
                                                   [Blechnum crenulatum]
                                                   [Lomaria crenulata]
                                                   [Lomariocycas amabilis]
                                                   [Spicanta amabilis]
                                                   [Spicantopsis amabilis]
                                             Struthiopteris castanea
                                                   [Blechnum castaneum f. viridipes]
                                                   [Blechnum castaneum]
                                                   [Lomaria castanea]
                                                   [Struthiopteris castanea var. viridipes]
                                             Struthiopteris hancockii
                                                   [Blechnum hancockii]
                                                   [Blechnum japonense]
                                                   [Blechnum niponicum var. minimum]
                                                   [Blechnum niponicum]
                                                   [Blechnum spicant subsp. nipponicum]
                                                   [Lomaria apodophylla]
                                                   [Lomaria hancockii]
                                                   [Lomaria niponica]
                                                   [Spicanta hancockii]
                                                   [Spicanta niponica]
                                                   [Spicantopsis niponica var. minima]
                                                   [Spicantopsis niponica]
                                                   [Struthiopteris niponica]
                                             Struthiopteris spicant
                                                   [Acrostichum lineatum]
                                                   [Acrostichum nemorale]
                                                   [Acrostichum spicant]
                                                   [Asplenium spicant]
                                                   [Blechnum boreale]
                                                   [Blechnum homophyllum]
                                                   [Blechnum spicant var. elongata]
                                                   [Blechnum spicant var. fallax]
                                                   [Blechnum spicant var. homophyllum]
                                                   [Blechnum spicant var. spicant]
                                                   [Blechnum spicant]
                                                   [Homophyllum blechnoides]
                                                   [Lomaria borealis]
                                                   [Lomaria crenata]
                                                   [Lomaria spicant]
                                                   [Lonchitis spicant]
                                                   [Lonchitis-aspera spicant var. serrata]
                                                   [Lonchitis-aspera spicant]
                                                   [Onoclea spicant]
                                                   [Osmunda borealis]
                                                   [Osmunda spicant]
                                                   [Spicanta borealis]
                                                   [Struthiopteris doodioides]
                                                   [Struthiopteris japanensis]
                                                   [Struthiopteris spicant var. crenata]
                                                   [Struthiopteris spicant var. fallax]
                                                   [Struthiopteris spicant var. homophyllum]
                                               Struthiopteris spicant var. pradae
                                               Struthiopteris spicant var. spicant
                              Stenochlaenoideae
                                     Salpichlaena
                                             Salpichlaena hookeriana
                                                   [Blechnum volubile var. lomarioidea]
                                                   [Blechnum volubile var. lomarioideum]
                                                   [Blechnum volubile var. lomaroidea]
                                                   [Salpichlaena lomarioidea]
                                                   [Spicanta hookeriana]
                                             Salpichlaena papyrus
                                             Salpichlaena volubilis
                                                   [Blechnum scandens]
                                                   [Blechnum volubile var. milagrense]
                                                   [Blechnum volubile]
                                                   [Lomaria volubilis]
                                                   [Salpichlaena scandens]
                                                   [Salpichlaena thalassica]
                                                   [Spicanta volubilis]
                                               Salpichlaena volubilis subsp. thalassica
                                               Salpichlaena volubilis subsp. volubilis
                                             † Salpichlaena anceps
                                             † Salpichlaena serrata
                                     Stenochlaena
                                           [Lomariobotrys]
                                             Stenochlaena areolaris
                                                   [Blechnum areolare]
                                                   [Lomaria areolaris]
                                                   [Spicanta areolaris]
                                             Stenochlaena cumingii
                                             Stenochlaena milnei
                                             Stenochlaena palustris
                                                   [Acrostichum laurifolium]
                                                   [Acrostichum palustre]
                                                   [Acrostichum scandens]
                                                   [Chrysodium palustre]
                                                   [Lomaria haenkeana]
                                                   [Lomaria juglandifolia]
                                                   [Lomariopsis scandens]
                                                   [Olfersia scandens]
                                                   [Onoclea scandens]
                                                   [Polypodium palustre]
                                                   [Pteris scandens]
                                                   [Stenochlaena blumeana]
                                                   [Stenochlaena fraxinifolia]
                                                   [Stenochlaena hainanensis]
                                                   [Stenochlaena laurifolia]
                                                   [Stenochlaena scandens]
                                             Stenochlaena riauensis
                                     Telmatoblechnum
                                             Telmatoblechnum indicum
                                                   [Blechnopsis denticulata]
                                                   [Blechnopsis malaccensis]
                                                   [Blechnopsis striata]
                                                   [Blechnum angustatum]
                                                   [Blechnum calophyllum]
                                                   [Blechnum cumingianum]
                                                   [Blechnum denticulatum]
                                                   [Blechnum indicum]
                                                   [Blechnum malaccense]
                                                   [Blechnum moluccanum]
                                                   [Blechnum squamulosum]
                                                   [Blechnum stagninum]
                                                   [Blechnum stramineum]
                                                   [Salpichlaena denticulata]
                                                   [Salpichlaena malaccensis]
                                                   [Salpichlaena striata]
                                             Telmatoblechnum serrulatum
                                                   [Blechnopsis serrulata]
                                                   [Blechnum serrulatum f. nanum]
                                                   [Blechnum serrulatum var. crespianum]
                                                   [Blechnum serrulatum var. distans]
                                                   [Blechnum serrulatum var. stierii]
                                                   [Blechnum serrulatum]
                                                   [Blechnum stierii]
                                                   [Salpichlaena serrulata]
                                                   [Spicanta serrulata]
                              Woodwardioideae
                                     Anchistea
                                             Anchistea virginica
                                                   [Anchistea virginica f. fertilis]
                                                   [Blechnum banisterianum]
                                                   [Blechnum carolinianum]
                                                   [Blechnum virginicum]
                                                   [Doodia virginica]
                                                   [Lorinseria thelypteroides]
                                                   [Woodwardia bannisteriana]
                                                   [Woodwardia thelypteroides]
                                                   [Woodwardia virginica f. fertilis]
                                                   [Woodwardia virginica f. thelypteroides]
                                                   [Woodwardia virginica]
                                     Lorinseria
                                             Lorinseria areolata
                                                   [Acrostichum areolatum]
                                                   [Lorinseria areolata f. obtusilobata]
                                                   [Lorinseria areolata f. onocleoides]
                                                   [Osmunda caroliniana]
                                                   [Struthiopteris nodulosa]
                                                   [Woodwardia angustifolia]
                                                   [Woodwardia areolata]
                                                   [Woodwardia floridana]
                                                   [Woodwardia onocleoides]
                                             † Lorinseria aurora
                                     Woodwardia
                                           [Chieniopteris]
                                             Woodwardia auriculata
                                                   [Woodwardia radicans var. auriculata]
                                             Woodwardia fimbriata
                                                   [Woodwardia biserrata]
                                                   [Woodwardia chamissoi]
                                                   [Woodwardia paradoxa]
                                             Woodwardia harlandii
                                                   [Chieniopteris harlandii]
                                                   [Chrysodium harlandii]
                                                   [Lorinseria harlandii]
                                             Woodwardia japonica
                                                   [Blechnum japonicum]
                                                   [Woodwardia affinis]
                                                   [Woodwardia cochinchinensis]
                                                   [Woodwardia japonica var. contigua]
                                                   [Woodwardia omeiensis]
                                             Woodwardia kempii
                                                   [Chieniopteris kempii]
                                                   [Woodwardia harlandii var. takeoi]
                                                   [Woodwardia heteropinnata]
                                                   [Woodwardia takeoi]
                                             Woodwardia latiloba
                                             Woodwardia magnifica
                                             Woodwardia martinezii
                                                   [Chieniopteris martinezii]
                                             Woodwardia orientalis
                                             Woodwardia prolifera
                                                   [Woodwardia angustiloba]
                                                   [Woodwardia exaltata]
                                                   [Woodwardia orientalis var. formosana]
                                                   [Woodwardia prolifera var. formosana]
                                             Woodwardia radicans
                                                   [Blechnum houttuynii]
                                                   [Blechnum radicans]
                                                   [Blechnum stans]
                                                   [Woodwardia stans]
                                             Woodwardia semicordata
                                             Woodwardia spinulosa
                                                   [Woodwardia radicans var. americana]
                                             Woodwardia unigemmata
                                                   [Woodwardia himalaica]
                                                   [Woodwardia latiloba]
                                                   [Woodwardia maxima]
                                                   [Woodwardia radicans var. unigemmata]
                                                   [Woodwardia yunnanensis]
                                             Woodwardia x intermedia
                                             Woodwardia x izuensis
                                             † Woodwardia arctica
                                             † Woodwardia augustifolioides
                                             † Woodwardia bennettii
                                             † Woodwardia clarus
                                             † Woodwardia columbiana
                                             † Woodwardia crenata
                                             † Woodwardia florissantia
                                             † Woodwardia gravida
                                             † Woodwardia maxonii
                                             † Woodwardia praeradicans
                                             † Woodwardia preareolata
                                     † Midlandia
                                             † Midlandia nishidae

Problematic Rooting (3574)
                                             Matteuccia struthiopteris
                                               Matteuccia struthiopteris subsp. sinuata
                                               Matteuccia struthiopteris subsp. struthiopteris
                                                     [Matteuccia nodulosa]
                                                     [Onoclea nodulosa]
                                                     [Onoclea struthiopteris]
                                                     [Osmunda struthiopteris]
                                                     [Pteretis nodulosa]
                                                     [Pteretis struthiopteris]
                                                     [Pterinodes struthiopteris]
                                                     [Struthiopteris cordi]
                                                     [Struthiopteris europaea]
                                                     [Struthiopteris filicastrum]
                                                     [Struthiopteris germanica]
                                                     [Struthiopteris heterophylla]
                                                     [Struthiopteris struthiopteris]
                                               Matteuccia struthiopteris var. acutiloba
                                               Matteuccia struthiopteris var. pensylvanica
                                                     [Matteuccia pensylvanica f. obtusilobata]
                                                     [Matteuccia pensylvanica f. pubescens]
                                                     [Matteuccia pensylvanica]
                                                     [Matteuccia pubescens]
                                                     [Matteuccia struthiopteris f. pubescens]
                                                     [Matteuccia struthiopteris subsp. pensylvanica]
                                                     [Matteuccia struthiopteris var. pubescens]
                                                     [Onoclea pensylvanica]
                                                     [Onoclea struthiopteris f. foliacea]
                                                     [Onoclea struthiopteris f. obtusilobata]
                                                     [Onoclea struthiopteris f. pubescens]
                                                     [Onoclea struthiopteris var. pensylvanica]
                                                     [Pteretis nodulosa var. pubescens]
                                                     [Pteretis pensylvanica]
                                                     [Struthiopteris germanica f. obtusilobata]
                                                     [Struthiopteris germanica f. pubescens]
                                                     [Struthiopteris germanica var. pubescens]
                                                     [Struthiopteris pensylvanica f. pubescens]
                                                     [Struthiopteris pensylvanica]
                                                     [Struthiopteris pubescens]
                                                     [Struthiopteris struthiopteris var. pensylvanica]

Problematic Rooting (52181)
                                             Spicantopsis hancockii