Arctium lappa
PNW
BC
MT
OR
WA
39 specimens from 11 herbaria:
British Columbia (13)
Montana (10)
Oregon (7)
Washington (9)
22 images from 9 herbaria:
MONT (10)
MONTU (1)
NOCA (3)
OSC (1)
SOC (1)
SRP (1)
UBC (1)
WTU (2)
WWB (2)