Hesperis matronalis
PNW
AK
BC
ID
MT
OR
WA
YK
217 specimens from 24 herbaria:
Alaska (7)
British Columbia (42)
Idaho (40)
Montana (64)
Oregon (29)
Washington (34)
Yukon Territory (1)
118 images from 20 herbaria:
ALA (3)
BABY (1)
CIC (2)
EWU (2)
HPSU (10)
ID (12)
IDE (8)
IDS (4)
MONT (26)
MONTU (8)
NOCA (6)
PLU (5)
REED (1)
RM (2)
SRP (3)
UAAH (4)
UBC (2)
USFS (11)
WTU (5)
WWB (3)