Clematis occidentalis
PNW
BC
ID
MT
OR
WA
563 specimens from 22 herbaria:
British Columbia (95)
Idaho (78)
Montana (169)
Oregon (50)
Washington (171)
309 images from 19 herbaria:
CIC (13)
COCC (1)
EWU (12)
HPSU (2)
ID (26)
IDS (8)
LEA (4)
MONT (67)
MONTU (71)
NOCA (8)
OSC (26)
PLU (2)
PSM (2)
SRP (12)
UBC (1)
WCW (3)
WS (4)
WTU (45)
WWB (2)