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Image of spreading woodfern
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Spreading Woodfern

Dryopteris expansa (C. Presl) Fraser-Jenk. & Jermy

JC Schou   cc-by-nc

Dryopteris expansa (Spreading Woodfern) is a species of perennial herb in the family wood ferns. They are native to Western North America, Alaska, United States, The Contiguous United States, Canada, and Greenland. They have alternation of generations.

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EOL has data for 13 attributes, including:

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