Vicia nigricans
PNW
AK
BC
OR
WA
309 specimens from 21 herbaria:
Alaska (4)
British Columbia (38)
Oregon (111)
Washington (156)
107 images from 20 herbaria:
BLMMD (1)
CIC (1)
COCC (1)
HPSU (13)
ID (8)
IDS (2)
LEA (1)
LINF (2)
NOCA (2)
OSC (7)
PLU (6)
PSM (9)
REED (8)
SAJH (1)
SRP (3)
UBC (12)
WCW (3)
WS (1)
WTU (15)
WWB (11)