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Mark Hyde, Bart Wursten and Petra Ballings   cc-by-nc

Thelypteris (Maiden Fern) is a genus of herb in the family Thelypteridaceae. They are native to The Contiguous United States, Pacific Basin excluding Hawaii, Alaska, Puerto Rico, Hawaii, Saint-Pierre Et Miquelon, U.S. Virgin Islands, and Canada. They have bipinnate + pinnatifid leaves. Individuals can grow to 25 m. They have alternation of generations.

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EOL has data for 17 attributes, including:

Known occurrences, collected specimens and observations of maiden fern. View this species on GBIF