Arnica discoidea
PNW
ID
OR
WA
100 specimens from 15 herbaria:
Idaho (1)
Oregon (82)
Washington (17)
33 images from 12 herbaria:
CIC (1)
DPP (1)
HJAEFB (1)
HPSU (3)
ID (6)
PLU (5)
PSM (1)
SOC (6)
SRP (3)
UBC (4)
WTU (1)
WWB (1)