PteridoPortalWeb-KeyIllinois Ferns and Fern Allies

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Generated from specimen vouchers

Species Count: 77

Aspleniaceae

Cystopteridaceae

Dennstaedtiaceae

Diplaziopsidaceae

Dryopteridaceae

Equisetaceae

Hymenophyllaceae

Lycopodiaceae

Marsileaceae

Ophioglossaceae

Polypodiaceae

Salviniaceae

Selaginellaceae

Thelypteridaceae

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Home >> Checklist: Illinois Ferns and Fern Allies >> Previous version of Key >> Identification Key (new version): Illinois Ferns and Fern Allies Filter/Display Options Family/Genus Filter: Sort by: Display Common Names Display images: Illinois Ferns and Fern Allies Generated from specimen vouchers Species Count: 77 Aspleniaceae Asplenium pinnatifidum Asplenium platyneuron Asplenium resiliens Asplenium rhizophyllum Asplenium septentrionale Asplenium trichomanes Athyriaceae Athyrium filix-femina Deparia acrostichoides Blechnaceae Anchistea virginica Cystopteridaceae Cystopteris Cystopteris bulbifera Cystopteris fragilis Cystopteris protrusa Cystopteris tennesseensis Cystopteris tenuis Dennstaedtiaceae Dennstaedtia punctilobula Pteridium aquilinum Diplaziopsidaceae Homalosorus pycnocarpos Dryopteridaceae Dryopteris carthusiana Dryopteris cristata Dryopteris intermedia Dryopteris marginalis Polystichum acrostichoides Equisetaceae Equisetum Equisetum arvense Equisetum fluviatile Equisetum hyemale Equisetum laevigatum Equisetum nelsonii Equisetum palustre Equisetum scirpoides Equisetum sylvaticum Equisetum variegatum Hymenophyllaceae Vandenboschia boschiana Isoetaceae Isoetes melanopoda Lycopodiaceae Dendrolycopodium dendroideum Diphasiastrum digitatum Huperzia lucidula Huperzia selago Lycopodiella Lycopodiella inundata Lycopodiella margueritae Lycopodiella subappressa Marsileaceae Marsilea burchellii Marsilea macropoda Marsilea quadrifolia Onocleaceae Matteuccia struthiopteris Onoclea sensibilis Ophioglossaceae Ophioglossum pusillum Sceptridium biternatum Sceptridium dissectum Osmundaceae Osmunda regalis Polypodiaceae Phlebodium aureum Pleopeltis michauxiana Pleopeltis polypodioides Polypodium virginianum Pteridaceae Adiantum capillus-veneris Adiantum pedatum Cheilanthes Cryptogramma stelleri Myriopteris gracilis Myriopteris lanosa Myriopteris tomentosa Pellaea atropurpurea Pellaea glabella Pteris cretica Salviniaceae Azolla Azolla caroliniana Azolla microphylla Selaginellaceae Selaginella apoda Selaginella eclipes Selaginella rupestris Thelypteridaceae Phegopteris connectilis Phegopteris hexagonoptera Woodsiaceae Woodsia ilvensis Woodsia obtusa 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.