Synonyms
Viola crenulata Greene
Viola sororia subsp. affinis (Leconte) R.J.Little
Viola affinis var. chalcosperma Griscom
Viola obliqua var. crenulata (Greene) Farw.
Viola affinis f. albiflora L.K.Henry
Viola affinis var. subarctica J.Rousseau
Viola sororia var. affinis (Leconte) L.E.McKinney
Viola venustula Greene