Coptis occidentalis
PNW
BC
ID
MT
WA
302 specimens from 20 herbaria:
British Columbia (1)
Idaho (255)
Montana (38)
Washington (8)
184 images from 15 herbaria:
BBLM (1)
BOIS (1)
CIC (6)
CIC-PYNF (1)
EWU (7)
ID (96)
IDS (11)
MONT (11)
MONTU (21)
PSM (1)
RM (2)
SRP (19)
UBC (1)
WCW (1)
WTU (5)