Arnica angustifolia
PNW
AK
BC
MT
WA
YK
316 specimens from 13 herbaria:
Alaska (93)
British Columbia (121)
Montana (40)
Washington (1)
Yukon Territory (61)
149 images from 9 herbaria:
ALA (68)
BABY (2)
ID (2)
MONT (5)
MONTU (23)
PSM (1)
RM (1)
UAAH (17)
UBC (30)