Oxytropis nigrescens var. nigrescens
PNW
AK
BC
YK
363 specimens from 10 herbaria:
Alaska (333)
British Columbia (9)
Yukon Territory (21)
309 images from 6 herbaria:
ALA (278)
ID (3)
SRP (2)
UAAH (18)
UBC (3)
WWB (5)