Helianthus tuberosus
PNW
BC
ID
MT
OR
WA
25 specimens from 10 herbaria:
British Columbia (8)
Idaho (3)
Montana (2)
Oregon (6)
Washington (6)
9 images from 5 herbaria:
ID (1)
IDE (2)
MONT (2)
PSM (1)
SRP (3)