Crataegus macracantha
PNW
BC
ID
MT
OR
WA
135 specimens from 12 herbaria:
British Columbia (10)
Idaho (37)
Montana (63)
Oregon (6)
Washington (19)
92 images from 8 herbaria:
CIC (1)
ID (26)
IDS (1)
MONT (22)
MONTU (20)
UBC (3)
USFS (12)
WTU (7)