Viola trinervata
PNW
OR
WA
252 specimens from 18 herbaria:
Oregon (25)
Washington (227)
71 images from 17 herbaria:
BLMVL (1)
CIC (2)
EWU (4)
HPSU (6)
ID (9)
IDS (1)
LEA (1)
NOCA (2)
OSC (3)
PLU (5)
PSM (3)
REED (2)
SRP (2)
WCW (2)
WS (6)
WTU (15)
WWB (7)