Aster alpinus ssp. vierhapperi
PNW
AK
BC
ID
YK
87 specimens from 7 herbaria:
Alaska (15)
British Columbia (22)
Idaho (2)
Yukon Territory (48)
57 images from 6 herbaria:
ALA (31)
BABY (1)
CIC (2)
UAAH (6)
UBC (14)
WTU (3)