Vicia nigricans
PNW
AK
BC
OR
WA
302 specimens from 20 herbaria:
Alaska (13)
British Columbia (36)
Oregon (103)
Washington (150)
96 images from 17 herbaria:
ALA (8)
BLMMD (1)
CIC (1)
HPSU (10)
ID (8)
IDS (2)
LEA (1)
LINF (2)
NOCA (2)
PLU (6)
PSM (9)
REED (8)
SRP (3)
UBC (12)
WCW (3)
WTU (9)
WWB (11)