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Cystopteris (Bladderfern) is a genus of herb in the family Cystopteridaceae. They are native to Saint-Pierre Et Miquelon, The Contiguous United States, Canada, Greenland, Hawaii, and Alaska. They have tripinnate leaves. They have alternation of generations.

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EOL has data for 10 attributes, including:

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