Hookedspur Violet, Western Longspur Violet, Early Blue Violet: Viola adunca (Synonyms: Viola adunca var. adunca, Viola adunca var. bellidifolia, Viola adunca var. cascadensis, Viola adunca ssp. oxyceras, Viola adunca var. oxyceras, Viola adunca var. uncinulata, Viola bellidifolia, Viola cascadensis) -

Baker's Violet, Yellow Prairie Violet: Viola bakeri (Synonyms: Viola nuttallii, Viola nuttallii var. bakeri) -

Beckwith's Violet: Viola beckwithii (Synonym: Viola beckwithii var. beckwithii) -

Canadian White Violet, Canada Violet, Western Canadian Violet: Viola canadensis var. rugulosa (Synonym: Viola canadensis) - ?

Douglas Violet, Golden Violet: Viola douglasii -

Stream Violet, Pioneer Violet: Viola glabella -

Hall's Violet: Viola hallii -

Howell's Violet: Viola howellii -

Pine Violet: Viola lobata ssp. lobata (Synonyms: Viola lobata var. lobata, Viola psychodes)

Small White Violet: Viola macloskeyi var. macloskeyi (Synonym: Viola macloskeyi ssp. macloskeyi) -

Pinto Violet, Western Heart's Ease: Viola ocellata -

Darkwoods Violet, Round-leaved Violet, Evergreen Yellow Violet: Viola orbiculata -

Marsh Violet: Viola palustris (Synonym: Viola palustris var. palustris) -

Upland Yellow Violet, Wavyleaf Violet: Viola praemorsa ssp. linguifolia (Synonyms: Viola flavovirens, Viola nuttallii var. linguifolia, Viola nuttallii var. major, Viola praemorsa ssp. flavovirens, Viola praemorsa ssp. major, Viola praemorsa ssp. oregona, Viola vallicola var. major) -

Upland Yellow Violet, Canary Violet: Viola praemorsa ssp. praemorsa (Synonym: Viola nuttallii var. praemorsa) -

Western Bog Violet: Viola primulifolia ssp. occidentalis (Synonyms: Viola lanceolata ssp. occidentata, Viola occidentalis) -

Goosefoot Violet, Mountain Violet: Viola purpurea ssp. integrifolia -

Goosefoot Violet: Viola purpurea ssp. purpurea (Synonyms: Viola purpurea ssp. dimorpha, Viola purpurea var. purpurea) -

Oak Woods Violet: Viola purpurea ssp. quercetorum (Synonym: Viola quercetorum) -

Goosefoot Violet, Goosefoot Yellow Violet, Purplish Violet: Viola purpurea ssp. venosa (Synonyms: Viola purpurea ssp. geophyta, Viola purpurea var. venosa) -

Evergreen Violet, Redwoods Violet: Viola sempervirens -

Cutleaf Violet, Shelton's Violet, Fan Violet: Viola sheltonii -

Northern Bog Violet: Viola sororia ssp. affinis (Synonym: Viola nephrophylla, Viola nephrophylla var. nephrophylla) - ?

Jumpy Jump Up, Wild Pansy: Viola tricolor -

Sagebrush Violet, Three-nerved Violet, Rainier Violet: Viola trinervata -

Valley Violet, Valley Yellow Violet, Yellow Sagebrush Violet: Viola vallicola (Synonyms: Viola nuttallii, Viola nuttallii var. vallicola, Viola vallicola var. vallicola) -