Verbena officinalis
PNW
BC
ID
MT
OR
WA
39 specimens from 12 herbaria:
British Columbia (4)
Idaho (9)
Montana (3)
Oregon (3)
Washington (20)
29 images from 10 herbaria:
BOIS (2)
CIC (3)
EWU (2)
ID (1)
IDE (7)
IDS (2)
MONT (1)
SRP (3)
UBC (1)
WTU (7)