Pellaea breweri
PNW
BC
ID
MT
OR
WA
229 specimens from 17 herbaria:
British Columbia (4)
Idaho (125)
Montana (28)
Oregon (61)
Washington (11)
215 images from 15 herbaria:
BOIS (2)
CIC (15)
HPSU (7)
ID (52)
IDS (18)
LINF (1)
MONT (4)
MONTU (14)
OSC (22)
SOC (2)
SRP (14)
UBC (1)
WS (22)
WTU (39)
WWB (2)