Petasites frigidus var. palmatus
PNW
AK
BC
OR
WA
407 specimens from 25 herbaria:
Alaska (2)
British Columbia (39)
Oregon (186)
Washington (174)
239 images from 19 herbaria:
CIC (1)
COCC (5)
HJAEFB (1)
HPSU (15)
ID (14)
IDS (1)
LINF (9)
MORA (4)
NOCA (3)
OSC (18)
PLU (15)
REED (6)
SOC (10)
SRP (5)
UBC (1)
WCW (14)
WS (93)
WTU (10)
WWB (14)