Astragalus americanus
PNW
AK
BC
MT
135 specimens from 13 herbaria:
Alaska (8)
British Columbia (48)
Montana (65)
44 images from 9 herbaria:
BABY (1)
ID (1)
IDS (2)
LEA (1)
MONT (15)
MONTU (15)
SRP (1)
UAAH (4)
UBC (4)