Arctium lappa
PNW
BC
MT
OR
WA
43 specimens from 13 herbaria:
British Columbia (13)
Montana (12)
Oregon (7)
Washington (11)
21 images from 8 herbaria:
MONT (10)
MONTU (1)
NOCA (3)
SOC (1)
SRP (1)
UBC (1)
WTU (2)
WWB (2)