Erysimum asperum
PNW
ID
MT
YK
201 specimens from 13 herbaria:
Idaho (1)
Montana (194)
Yukon Territory (6)
113 images from 10 herbaria:
ALA (5)
ID (4)
IDS (1)
LEA (1)
MONT (57)
MONTU (15)
RM (4)
SRP (1)
USFS (23)
WCW (2)