Carduus acanthoides
PNW
BC
ID
MT
OR
WA
49 specimens from 14 herbaria:
British Columbia (7)
Idaho (28)
Montana (7)
Oregon (3)
Washington (4)
23 images from 8 herbaria:
BOIS (1)
ID (3)
IDE (8)
LEA (1)
MONT (3)
MONTU (2)
SRP (2)
WTU (3)