Viola trinervata Howell f. semialba St. JohnWashington: Lincoln County: 10 miles n.w. of Almira.
47.71111° N, 118.93972° W
Coordinate Source: Estimated.
Type. American Botanist 34: 94. 1928.
Type specimen (basionym and designation not recorded).Harold St. John 6860, Apr 9, 1925
With F. L. Pickett, F. Warren
WS, Accession: 43387