Armoracia rusticana
PNW
BC
ID
MT
OR
WA
45 specimens from 15 herbaria:
British Columbia (9)
Idaho (6)
Montana (18)
Oregon (5)
Washington (7)
33 images from 12 herbaria:
EWU (1)
ID (3)
IDE (1)
IDS (2)
MONT (12)
MONTU (6)
NOCA (2)
OSC (2)
SOC (1)
SRP (1)
UBC (1)
WWB (1)