Erysimum capitatum var. purshii
PNW
AK
BC
ID
MT
OR
WA
YK
116 specimens from 15 herbaria:
Alaska (5)
British Columbia (7)
Idaho (38)
Montana (47)
Oregon (2)
Washington (3)
Yukon Territory (14)
56 images from 10 herbaria:
ALA (2)
BABY (2)
CIC (27)
ID (6)
IDS (5)
SRP (1)
UAAH (1)
UBC (3)
USFS (7)
WTU (2)