Viola trinervata
PNW
OR
WA
234 specimens from 19 herbaria:
Oregon (26)
Washington (208)
59 images from 16 herbaria:
BLMVL (1)
CIC (2)
EWU (4)
HPSU (9)
ID (9)
IDS (1)
LEA (1)
NOCA (2)
PLU (5)
PSM (3)
REED (2)
SRP (2)
WCW (2)
WSTC (2)
WTU (7)
WWB (7)