Centaurea ×gerstlaueri
PNW
BC
ID
MT
OR
WA
222 specimens from 17 herbaria:
British Columbia (14)
Idaho (4)
Montana (10)
Oregon (98)
Washington (96)
65 images from 12 herbaria:
BLMMD (4)
HPSU (7)
ID (10)
MONT (5)
MONTU (1)
PLU (2)
PSM (2)
SOC (1)
SRP (12)
UBC (3)
WTU (13)
WWB (5)