Species include: Viola abyssinica Viola acuminata - acuminate violet Viola adunca - hookedspur violet, western dog violet Viola aetolica Viola affinis - sand violet Viola alba - white violet Viola albanica Viola allchariensis - alšar violet Viola alpina Viola altaica Viola appalachiensis - Appalachian violet Viola arborescens Viola arsenica Viola arvensis - field pansy, European field pansy Viola aurea - golden violet Viola babunensis - Babuna's violet Viola bakeri - Baker's violet Viola banksii - Banks' violet Viola beckwithii - Beckwith's violet, Great Basin violet Viola bertolonii Viola betonicifolia - showy violet, mountain violet Viola bicolor - field pansy Viola biflora - yellow wood violet, twoflower violet, arctic yellow violet Viola blanda - sweet white violet, Willdenow's violet Viola bornmuelleri - Bornmüller's violet Viola brevistipulata - short stipule violet Viola brittoniana - northern coastal violet, coast violet Viola calaminaria - yellow calamine violet Viola calcarata Viola caleyana Viola californica - California violet Viola canadensis - Canadian white violet, Canada violet Viola canina - dog violet, European heath dog violet Viola cazorlensis Viola cenisia Viola chaerophylloides Viola chamissoniana - olopu Viola changii Viola charlestonensis - Charleston mountain violet Viola cheiranthifolia - Teide violet Viola chinensis - China violet Viola cleistogamoides Viola collina - hill violet Viola comollia Viola cornuta - horned pansy, horned violet, Johnny-jump-up, bedding pansy Viola corsica Viola crassa Viola cryana - cry violet Viola cucullata - marsh blue violet Viola cuicochensis Viola cuneata - wedgeleaf violet Viola cunninghamii Viola curtisii Viola declinata Viola decumbens Viola delphinantha Viola diffusa - spreading violet Viola dissecta Viola douglasii - Douglas' golden violet Viola dubyana Viola dukadjinica Viola egglestonii - glade violet Viola elatior Viola elegantula Viola eminens Viola epipsila - dwarf marsh violet, large marsh violet Viola eugeniae Viola fimbriatula - fringed violet Viola flettii - Olympic violet, rock violet Viola frank-smithii - Frank-Smith's violet Viola fuscoviolacea Viola glabella - pioneer violet, stream violet Viola gostivarensis - Gostivar violet Viola gracilis Viola grisebachiana Viola grypoceras Viola guadalupensis - Guadalupe violet Viola guangzhouensis Viola guestphalica - calamine violet Viola hallii - Oregon violet Viola hastata - halberd-leaf yellow violet Viola hederacea - Australian violet, trailing violet Viola helenae - Wahiawa stream violet Viola herzogi - Herzog violet Viola hirsutula - southern woodland violet Viola hirta -  hairy violet Viola hispida - Rouen pansy Viola howellii - Howell's violet Viola incisa Viola incognita - large-leaved white violet Viola japonica - Japanese violet Viola jinggangshanensis Viola jooi Viola kauaensis - pohe hiwa Viola keiskei Viola kitaibeliana - dwarf pansy Viola kosaninii - Košanin violet Viola labradorica - alpine violet, Labrador violet Viola lactea - pale dog violet Viola lanaiensis - Hawaii violet Viola lanceolata - bog white violet Viola langsdorffii - Aleutian violet, Alaska violet Viola libanotica Viola lilliputana - Lilliputian violet Viola lithion - rock violet Viola littoralis Viola lobata - moosehorn violet, yellow wood violet, pine violet Viola lutea - mountain pansy Viola lyallii - Haaka Viola macloskeyi - small white violet, western sweet white violet Viola mandshurica - Fuji dawn Viola maoershanensis Viola maviensis - Hawaii bog violet Viola mirabilis - wonder violet Viola missouriensis - Missouri violet, banded violet Viola montana Viola muliensis Viola munbyana Viola nanlingensis Viola nephrophylla - northern bog violet Viola nitida Viola novae-angliae - New England blue violet Viola nuttallii - Nuttall's violet, yellow prairie violet Viola oahuensis - Oahu violet Viola obliqua - marsh blue violet Viola obtusa - blunt violet Viola ocellata - pinto violet, two-eyed violet Viola odorata - sweet violet Viola orbiculata - darkwoods violet, western round-leaved violet Viola orientalis Viola orphanidis Viola palmata - crowfoot violet, early blue violet, palmate violet Viola palustris - marsh violet, alpine marsh violet Viola patrinii - stemless violet Viola pedata - birdfoot violet, crowfoot violet Viola pedatifida - prairie violet, prairie birdfoot violet Viola pedunculata - California golden violet, grass pansy, yellow pansy Viola persicifolia (syn. V. stagnina ) - fen violet Viola pinetorum - goosefoot violet Viola pinnata - pinnate violet Viola praemorsa - canary violet Viola primulifolia - primrose-leaf violet Viola prionantha Viola psychodes - butterfly violet Viola pubescens - downy yellow violet Viola pumila - meadow violet Viola purpurea - goosefoot violet Viola pyrenaica Ramond ex DC.