Dryopteris arguta
PNW
BC
ID
OR
WA
296 specimens from 16 herbaria:
British Columbia (86)
Idaho (4)
Oregon (181)
Washington (25)
181 images from 14 herbaria:
BLMMD (1)
CIC (2)
COCC (3)
HPSU (21)
ID (15)
NOCA (2)
OSC (69)
PSM (6)
REED (4)
SOC (14)
SRP (8)
WCW (2)
WS (1)
WTU (33)