Coptis occidentalis
PNW
BC
ID
MT
OR
WA
311 specimens from 18 herbaria:
British Columbia (1)
Idaho (261)
Montana (40)
Oregon (1)
Washington (8)
199 images from 15 herbaria:
BBLM (1)
BOIS (1)
CIC (6)
CIC-PYNF (1)
EWU (7)
ID (108)
IDS (11)
MONT (11)
MONTU (22)
OSC (1)
PSM (1)
SRP (21)
UBC (1)
WCW (1)
WTU (6)