Deciduous perennial arising from a creeping rhizome in small clusters.
Elliptic, 20-70 cm long, 5-15 cm wide, pinnately deeply divided; segments entire.
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Synonyms and Alternate Names:
Dryopteris nevadensis (Baker) Underw.
Dryopteris oregana C. Chr.
Lastrea oregana (C. Chr.) Copeland