Dryopteris
expansa
PNW
AK
BC
ID
MT
OR
WA
798 specimens from 19 herbaria:
Alaska (94)
British Columbia (160)
Idaho (86)
Montana (52)
Oregon (106)
Washington (294)
566 images from 17 herbaria:
BABY (3)
HJAEF (1)
HJAEFB (1)
HPSU (7)
ID (45)
MONT (20)
MONTU (31)
MORA (11)
NOCA (8)
OSC (94)
PSM (73)
SOC (2)
SRP (7)
UAAH (23)
UBC (13)
WS (9)
WTU (218)