Lactuca canadensis
PNW
BC
ID
MT
OR
WA
43 specimens from 9 herbaria:
British Columbia (8)
Idaho (11)
Montana (5)
Oregon (4)
Washington (15)
23 images from 7 herbaria:
EWU (1)
ID (3)
IDS (4)
MONT (2)
UBC (8)
USFS (4)
WTU (1)