Centaurea solstitialis
PNW
BC
ID
MT
OR
WA
239 specimens from 28 herbaria:
British Columbia (1)
Idaho (55)
Montana (7)
Oregon (65)
Washington (111)
152 images from 22 herbaria:
BBLM (2)
BLMVL (1)
CIC (8)
CRMO (1)
EWU (2)
ID (27)
IDE (10)
IDS (1)
MONT (7)
MONTU (2)
NEZ (2)
NOCA (1)
OSC (25)
PLU (2)
PSM (1)
SOC (11)
SRP (4)
UAAH (1)
WCW (15)
WS (6)
WTU (20)
WWB (3)