Petasites japonicus
PNW
BC
OR
WA
56 specimens from 11 herbaria:
British Columbia (21)
Oregon (12)
Washington (23)
23 images from 8 herbaria:
BABY (1)
HPSU (1)
NOCA (4)
OSC (4)
SRP (1)
UBC (1)
WS (3)
WTU (8)