Marah oregana
PNW
BC
ID
OR
WA
454 specimens from 27 herbaria:
British Columbia (15)
Idaho (4)
Oregon (279)
Washington (156)
218 images from 24 herbaria:
BLMMD (2)
CIC (2)
COCC (9)
EVE (1)
EWU (1)
HJAEFB (1)
HPSU (22)
ID (7)
IDS (3)
LINF (44)
NOCA (1)
OSC (11)
PLU (11)
PSM (8)
REED (5)
SAJH (2)
SOC (24)
SRP (7)
UBC (1)
UWB (1)
WCW (14)
WS (3)
WTU (31)
WWB (7)