Arnica sororia
PNW
BC
ID
MT
OR
WA
741 specimens from 30 herbaria:
British Columbia (93)
Idaho (215)
Montana (150)
Oregon (150)
Washington (133)
421 images from 28 herbaria:
BBLM (5)
BBLM-OWY (4)
BLMVL (3)
BOIS (3)
CIC (54)
CIC-PYNF (1)
CIC-SHO (4)
COCC (1)
CRMO (7)
EWU (9)
HPSU (1)
ID (60)
IDS (26)
MONT (66)
MONTU (57)
NEZ (2)
NOCA (2)
OSC (4)
SEF (1)
SOC (4)
SRP (41)
TFBLM (1)
UBC (27)
VALE (7)
WCW (3)
WS (4)
WTU (19)
WWB (5)