Opuntia columbiana
PNW
BC
ID
OR
WA
101 specimens from 13 herbaria:
British Columbia (11)
Idaho (10)
Oregon (31)
Washington (49)
42 images from 12 herbaria:
CIC (3)
EWU (3)
ID (6)
LINF (1)
OSC (2)
PSM (1)
SRP (4)
UBC (1)
VALE (1)
WCW (1)
WS (5)
WTU (14)