Rhamnus alnifolia
PNW
BC
ID
MT
OR
WA
259 specimens from 18 herbaria:
British Columbia (12)
Idaho (128)
Montana (68)
Oregon (20)
Washington (31)
172 images from 16 herbaria:
BOIS (1)
CIC (7)
CIC-PYNF (1)
ID (51)
IDE (1)
IDS (11)
MONT (13)
MONTU (43)
OSC (12)
PLU (2)
REED (1)
SEF (2)
SRP (14)
UBC (1)
WS (1)
WTU (11)