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

Polystichum is a genus of herb in the family wood ferns. They are native to Hawaii, Greenland, The Contiguous United States, Puerto Rico, Canada, Alaska, and Saint-Pierre Et Miquelon. Individuals can grow to 6.6 m. They have alternation of generations.

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EOL has data for 15 attributes, including:

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