Arabis
pycnocarpa
PNW
AK
BC
ID
MT
OR
WA
123 specimens from 14 herbaria:
Alaska (7)
British Columbia (43)
Idaho (17)
Montana (10)
Oregon (14)
Washington (26)
29 images from 11 herbaria:
BABY (2)
BOIS (1)
ID (4)
MONT (2)
NOCA (1)
OSC (4)
SOC (2)
SRP (2)
UAAH (1)
UBC (7)
WTU (3)