Centaurea jacea
PNW
BC
ID
MT
OR
WA
50 specimens from 15 herbaria:
British Columbia (3)
Idaho (2)
Montana (7)
Oregon (11)
Washington (27)
16 images from 9 herbaria:
EWU (1)
HPSU (1)
MONT (2)
MONTU (4)
PSM (1)
REED (1)
SOC (1)
SRP (3)
WTU (2)