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Cystopteridaceae
Cystopteridaceae image
Max Licher
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Species within checklist: Rare pteridophytes of Pennsylvania
Cystopteris laurentiana
Image of Cystopteris laurentiana
Cystopteris tennesseensis
Image of Cystopteris tennesseensis
Gymnocarpium appalachianum
Image of Gymnocarpium appalachianum
Gymnocarpium x heterosporum
Image of Gymnocarpium x heterosporum

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.