Erysimum cheiranthoides
PNW
AK
BC
ID
MT
OR
WA
YK
505 specimens from 26 herbaria:
Alaska (153)
British Columbia (116)
Idaho (69)
Montana (104)
Oregon (19)
Washington (23)
Yukon Territory (21)
275 images from 21 herbaria:
ALA (115)
BABY (1)
BBLM-OWY (2)
CIC (5)
CRMO (2)
EWU (1)
HPSU (1)
ID (15)
IDE (6)
IDS (9)
LEA (3)
MONT (23)
MONTU (24)
PSM (1)
RM (4)
SRP (8)
UAAH (31)
UBC (14)
USFS (6)
WTU (3)
WWB (1)