Helianthus petiolaris
PNW
BC
ID
MT
OR
WA
85 specimens from 14 herbaria:
British Columbia (4)
Idaho (10)
Montana (59)
Oregon (6)
Washington (6)
70 images from 11 herbaria:
CIC (1)
CRMO (1)
HPSU (1)
ID (4)
IDS (4)
MONT (31)
MONTU (23)
OSC (2)
PLU (1)
SRP (1)
WCW (1)