PteridoPortalWeb-KeyFerns of the United States

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Home >> Checklist: Ferns of the United States >> Previous version of Key >> Identification Key (new version): Ferns of the United States Filter/Display Options Family/Genus Filter: Sort by: Display Common Names Display images: Ferns of the United States Various authors Species Count: 109 Aspleniaceae Asplenium bradleyi Asplenium montanum Asplenium pinnatifidum Asplenium platyneuron Asplenium rhizophyllum Asplenium ruta-muraria Asplenium septentrionale Asplenium serratum Asplenium trichomanes Asplenium tutwilerae Asplenium vespertinum Asplenium viride Athyriaceae Athyrium angustum Athyrium asplenioides Athyrium distentifolium Athyrium filix-femina Deparia acrostichoides Homalosorus pycnocarpos Blechnaceae Anchistea virginica Lorinseria areolata Struthiopteris spicant Woodwardia fimbriata Cystopteridaceae Cystopteris bulbifera Cystopteris dickieana Cystopteris fragilis Cystopteris montana Cystopteris protrusa Cystopteris tennesseensis Cystopteris tenuis Gymnocarpium dryopteris Gymnocarpium robertianum Dennstaedtiaceae Dennstaedtia bipinnata Dennstaedtia punctilobula Dryopteridaceae Dryopteris arguta Dryopteris campyloptera Dryopteris expansa Dryopteris filix-mas Dryopteris goldieana Dryopteris ludoviciana Polystichum acrostichoides Polystichum lachenense Equisetaceae Equisetum hyemale Hymenophyllaceae Crepidomanes intricatum Marsileaceae Pilularia americana Nephrolepidaceae Nephrolepis biserrata Nephrolepis exaltata Onocleaceae Matteuccia Onoclea sensibilis Ophioglossaceae Botrychium montanum Botrychium pumicola Botrychium simplex Botrypus virginianus Ophioglossum pusillum Sceptridium dissectum Sceptridium multifidum Sceptridium oneidense Osmundaceae Osmundastrum cinnamomeum Polypodiaceae Campyloneurum angustifolium Campyloneurum phyllitidis Hypolepis punctata Phlebodium aureum Pleopeltis polypodioides Polypodium appalachianum Polypodium calirhiza Polypodium glycyrrhiza Polypodium hesperium Polypodium scouleri Polypodium virginianum Psilotaceae Psilotum nudum Pteridaceae Adiantum jordanii Adiantum pedatum Adiantum tenerum Adiantum viridimontanum Adiantum vivesii Argyrochosma jonesii Aspidotis densa Astrolepis cochisensis Bommeria Cryptogramma acrostichoides Myriopteris covillei Myriopteris gracilis Myriopteris intertexta Myriopteris lanosa Myriopteris parryi Myriopteris tomentosa Myriopteris windhamii Notholaena californica Notholaena standleyi Pellaea atropurpurea Pellaea breweri Pellaea bridgesii Pellaea glabella Pellaea mucronata Pellaea truncata Pentagramma triangularis Salviniaceae Azolla filiculoides Schizaeaceae Actinostachys pennula Tectariaceae Tectaria estremerana Thelypteridaceae Amauropelta nevadensis Amauropelta noveboracensis Leptogramma pilosa Pelazoneuron kunthii Pelazoneuron puberulum Woodsiaceae Woodsia alpina Woodsia ilvensis Woodsia neomexicana Woodsia obtusa Woodsia oregana Woodsia scopulina
The PCC, and this data portal, were made possible by funding from the National Science Foundation’s Advancing Digitization of Biological Collections (ADBC) program, grant numbers 1802504, 1802352, 1802134, 1802033, 1802270, 1802255, 1802239, 1802446, 1802305. The pteridoportal taxonomic thesaurus is based on the Checklist of Ferns and Lycophytes of the World, generously provided by Michael Hassler.