Polystichum andersonii
PNW
AK
BC
ID
MT
OR
WA
294 specimens from 21 herbaria:
Alaska (24)
British Columbia (62)
Idaho (52)
Montana (21)
Oregon (23)
Washington (112)
202 images from 19 herbaria:
BABY (1)
BOIS (2)
HPSU (2)
ID (40)
MONT (2)
MONTU (18)
MORA (3)
NOCA (3)
OSC (37)
PLU (2)
PSM (12)
REED (3)
SRP (1)
UAAH (1)
UBC (1)
WCW (1)
WS (8)
WTU (62)
WWB (3)