Synonyms
Viola praemorsa subsp. oregona M.S.Baker
Viola vallicola var. major (Hook.) Fabijan
Viola praemorsa subsp. major (Hook.) M.S.Baker
Viola xylorrhiza Suksd.
Viola nuttallii var. major Hook.
Viola nuttallii subsp. linguifolia (Nutt.) Piper
Viola praemorsa var. altior Blank.
Viola praemorsa subsp. linguifolia (Nutt.) M.S.Baker
Viola gomphopetala Greene
Viola praemorsa var. linguifolia (Nutt.) M.Peck
Viola praemorsa subsp. arida M.S.Baker
Viola linguifolia Nutt.