Crataegus macracantha
PNW
BC
ID
MT
OR
WA
125 specimens from 10 herbaria:
British Columbia (10)
Idaho (39)
Montana (48)
Oregon (6)
Washington (22)
88 images from 8 herbaria:
CIC (1)
ID (28)
IDS (1)
MONT (22)
MONTU (20)
OSC (4)
UBC (3)
WTU (9)