title: Specie di Viola
text: # Specie di Viola
  
  Elenco delle specie del genere Viola:
  
  ## A
  
  * Viola abbreviata J.M.Watson & A.R.Flores
  * Viola abulensis Fern.Casado & Nava
  * Viola abyssinica Steud. ex Oliv.
  * Viola acanthophylla Leyb. ex Reiche
  * Viola accrescens Klokov
  * Viola acrocerauniensis Erben
  * Viola acuminata Ledeb.
  * Viola acutifolia (Kar. & Kir.) W.Becker
  * Viola adenothrix Hayata
  * Viola × adriatica Freyn
  * Viola × adulterina Godr.
  * Viola adunca Sm.
  * Viola aduncoides Á.Löve & D.Löve
  * Viola aethnensis (DC.) Strobl
  * Viola aetolica Boiss. & Heldr.
  * Viola affinis Leconte
  * Viola aizoon Reiche
  * Viola alaica Vved.
  * Viola alba Besser
  * Viola albanica Halácsy
  * Viola albida Palib.
  * Viola × albimaritima Vl.V.Nikitin
  * Viola × albovii Vl.V.Nikitin
  * Viola alburnica Ricceri & Moraldo
  * Viola alexandrowiana (W.Becker) Juz.
  * Viola alexejana Kamelin & Junussov
  * Viola allchariensis Beck
  * Viola alliariifolia Nakai
  * Viola allochroa Botsch.
  * Viola alpina Jacq.
  * Viola altaica Ker Gawl.
  * Viola amamiana Hatus.
  * Viola ambigua Waldst. & Kit.
  * Viola amiatina Ricceri & Moraldo
  * Viola amurica W.Becker
  * Viola anagae Gilli
  * Viola angkae Craib
  * Viola angustifolia Phil.
  * Viola anitae J.M.Watson
  * Viola annamensis Baker f.
  * Viola appalachiensis L.K.Henry
  * Viola araucaniae W.Becker
  * Viola arborescens L.
  * Viola argentina W.Becker
  * Viola arguta Humb. & Bonpl. ex Schult.
  * Viola arsenica Beck
  * Viola arvensis Murray
  * Viola athois W.Becker
  * Viola atropurpurea Leyb.
  * Viola aurantiaca Leyb.
  * Viola aurata Phil.
  * Viola auricolor Skottsb.
  * Viola auriculata Leyb.
  * Viola austrosinensis Y.S.Chen & Q.E.Yang
  * Viola × awagatakensis T.Yamaz., I.Ito & Ageishi
  
  ## B
  
  * Viola × bachtschisaraensis Vl.V.Nikitin
  * Viola bakeri Greene
  * Viola balansae Gagnep.
  * Viola balcanica Delip.
  * Viola bangii Rusby
  * Viola banksii K.R.Thiele & Prober
  * Viola baoshanensis W.S.Shu, W.Liu & C.Y.Lan
  * Viola barhalensis G.Knoche & Marcussen
  * Viola barkalovii Bezd.
  * Viola barroetana W.Schaffn. ex Hemsl.
  * Viola × bavarica Schrank
  * Viola baxteri House
  * Viola beamanii Calderón
  * Viola beati J.M.Watson & A.R.Flores
  * Viola beckeriana J.M.Watson & A.R.Flores
  * Viola beckiana Fiala ex Beck
  * Viola beckwithii Torr. & A.Gray
  * Viola belophylla Boissieu
  * Viola bertolonii Pio
  * Viola betonicifolia Sm.
  * Viola bezdelevae Vorosch.
  * Viola bhutanica H.Hara
  * Viola biflora L.
  * Viola binayensis Okamoto & K.Ueda
  * Viola × bissellii House
  * Viola bissetii Maxim.
  * Viola blanda Willd.
  * Viola blandiformis Nakai
  * Viola × blaxlandiae J.M.Watson & A.R.Flores
  * Viola bocquetiana Yild.
  * Viola boissieuana Makino
  * Viola boliviana Britton
  * Viola brachyceras Turcz.
  * Viola brachypetala Gay
  * Viola brachyphylla W.Becker
  * Viola × braunii Borbás
  * Viola breviflora Jungsim Lee & M.Kim
  * Viola brevistipulata (Franch. & Sav.) W.Becker
  * Viola bridgesii Britton
  * Viola brittoniana Pollard
  * Viola bubanii Timb.-Lagr.
  * Viola bulbosa Maxim.
  * Viola × burnatii Gremli
  * Viola bustillosia Gay
  
  ## C
  
  * Viola calabra (A.Terracc.) Ricceri & Moraldo
  * Viola calcarata L.
  * Viola calchaquiensis W.Becker
  * Viola calcicola R.A.McCauley & H.E.Ballard
  * Viola caleyana G.Don
  * Viola cameleo H.Boissieu
  * Viola canadensis L.
  * Viola canescens Wall.
  * Viola canina L.
  * Viola cano-barbata Leyb.
  * Viola capillaris Pers.
  * Viola caspia (Rupr.) Freyn
  * Viola cassinensis Strobl
  * Viola caucasica Kolen. ex Rupr.
  * Viola cavillieri W.Becker
  * Viola cazorlensis Gand.
  * Viola cenisia L.
  * Viola cephalonica Bornm.
  * Viola cerasifolia A.St.-Hil.
  * Viola cervatiana Ricceri & Moraldo
  * Viola chaerophylloides (Regel) W.Becker
  * Viola chalcosperma Brainerd
  * Viola chamaedrys Leyb.
  * Viola chamissoniana Ging.
  * Viola changii J.S.Zhou & F.W.Xing
  * Viola charlestonensis M.S.Baker & J.C.Clausen
  * Viola chassanica Kork.
  * Viola cheeseana J.M.Watson
  * Viola cheiranthifolia Bonpl.
  * Viola chejuensis Y.N.Lee & Y.C.Oh
  * Viola chelmea Boiss.
  * Viola chiapasiensis W.Becker
  * Viola × chrysantha Schrad. ex Rchb.
  * Viola cilentana Ricceri & Moraldo
  * Viola cilicica Contandr. & Quézel
  * Viola cinerea Boiss.
  * Viola clauseniana M.S.Baker
  * Viola cleistogamoides (L.G.Adams) Seppelt
  * Viola cochranei H.E.Ballard
  * Viola collina Besser
  * Viola columnaris Skottsb.
  * Viola comberi W.Becker
  * Viola commersonii DC. ex Ging.
  * Viola communis Pollard
  * Viola comollia Massara
  * Viola concordifolia C.J.Wang
  * Viola confertifolia C.C.Chang
  * Viola congesta Gillies ex Hook. & Arn.
  * Viola × conjugens Greene
  * Viola × consobrina House
  * Viola × consocia House
  * Viola × contempta Jord.
  * Viola × cooperrideri H.E.Ballard
  * Viola × cordifolia (Nutt.) Schwein.
  * Viola cornuta L.
  * Viola coronifera W.Becker
  * Viola corralensis Phil.
  * Viola corsica Nyman
  * Viola cotyledon Ging.
  * Viola crassifolia Fenzl
  * Viola crassiuscula Bory
  * Viola cuatrecasasii L.B.Sm. & A.Fernández
  * Viola cucullata Aiton
  * Viola cuicochensis Hieron.
  * Viola culminis F.Fen. & Moraldo
  * Viola cuneata S.Watson
  * Viola cunninghamii Hook.f.
  * Viola curicoensis W.Becker
  * Viola curtisiae (L.G.Adams) K.R.Thiele
  * Viola cuspidifolia W.Becker
  * Viola cyathiformis W.Becker
  * Viola czemalensis Zuev
  
  ## D
  
  * Viola dacica Borbás
  * Viola dactyloides Schult.
  * Viola dalatensis Gagnep.
  * Viola dandoisiorum J.M.Watson & A.R.Flores
  * Viola danielae Pînzaru
  * Viola dasyphylla W.Becker
  * Viola davidii Franch.
  * Viola × davisii House
  * Viola decipiens Reiche
  * Viola declinata Waldst. & Kit.
  * Viola decumbens L.f.
  * Viola dehnhardtii Ten.
  * Viola delavayi Franch.
  * Viola delphinantha Boiss.
  * Viola demetria Prolongo ex Boiss.
  * Viola denizliensis O.D.Dü?en, Göktürk, U.Sarpkaya & B.Gürcan
  * Viola diamantiaca Nakai
  * Viola dichroa Boiss.
  * Viola diffusa Ging.
  * Viola dimorphophylla Y.S.Chen & Q.E.Yang
  * Viola dirimliensis Blaxland
  * Viola dirphya Tiniakou
  * Viola disjuncta W.Becker
  * Viola dissecta Ledeb.
  * Viola diversifolia (DC.) W.Becker
  * Viola doerfleri Degen
  * Viola × doii Taken.
  * Viola dombeyana DC. ex Ging.
  * Viola domeikoana Gay
  * Viola domestica E.P.Bicknell
  * Viola douglasii Steud.
  * Viola dubyana Burnat ex Gremli
  * Viola duclouxii W.Becker
  * Viola dukadjinica W.Becker & Koanin
  * Viola dyris Maire
  
  ## E
  
  * Viola × eclipes H.E.Ballard
  * Viola ecuadorensis W.Becker
  * Viola edulis Spach
  * Viola egglestonii Brainerd
  * Viola eizanensis (Makino) Makino
  * Viola × eizasieboldii Sugim. ex T.Shimizu
  * Viola elatior Fr.
  * Viola elegantula Schott
  * Viola emarginata (Nutt.) Leconte
  * Viola eminens K.R.Thiele & Prober
  * Viola eminii (Engl.) R.E.Fr.
  * Viola enmae P.Gonzáles
  * Viola epipsila Ledeb.
  * Viola epipsiloides Á.Löve & D.Löve
  * Viola epirota (Halácsy) Raus
  * Viola eriocarpa Schwein.
  * Viola ermenekensis Yild. & Dinç
  * Viola escarapela J.M.Watson & A.R.Flores
  * Viola escondidaensis W.Becker
  * Viola etrusca Erben
  * Viola euboea (Halácsy) Halácsy
  * Viola eugeniae Parl.
  * Viola evae Hieron. ex W.Becker
  * Viola eximia Formánek
  * Viola exsul J.M.Watson & A.R.Flores
  
  ## F
  
  * Viola falconeri Hook.f. & Thomson
  * Viola farkasiana J.M.Watson & A.R.Flores
  * Viola faurieana W.Becker
  * Viola × fennica F.Nyl.
  * Viola ferdinandea Ricceri & Moraldo
  * Viola ferrarinii Moraldo & Ricceri
  * Viola ferreyrae P.Gonzáles
  * Viola filicaulis Hook.f.
  * Viola × filicetorum Greene
  * Viola fimbriatula Sm.
  * Viola fischeri W.Becker
  * Viola flagelliformis Hemsl.
  * Viola flavicans Wedd.
  * Viola flettii Piper
  * Viola floridana Brainerd
  * Viola flos-idae Hieron.
  * Viola fluehmannii Phil.
  * Viola formosana Hayata
  * Viola forrestiana W.Becker
  * Viola forskaalii Greuter
  * Viola fragrans Sieber
  * Viola frank-smithii N.H.Holmgren
  * Viola friderici W.Becker
  * Viola frigida Phil.
  * Viola frondosa (Velen.) Velen.
  * Viola frusinatae Ricceri & Moraldo
  * Viola fruticosa W.Becker
  * Viola × fujisanensis S.Watan.
  * Viola fuscifolia W.Becker
  * Viola fuscoviolacea (L.G.Adams) T.A.James
  
  ## G
  
  * Viola galeanaensis M.S.Baker
  * Viola × ganeschinii Vl.V.Nikitin
  * Viola ganiatsasii Erben
  * Viola gaviolii Ricceri & Moraldo
  * Viola gelida J.M.Watson, M.P.Cárdenas & A.R.Flores
  * Viola germainii Sparre
  * Viola glabella Nutt.
  * Viola glaberrima (Ging. ex Chapm.) House
  * Viola glandularis H.E.Ballard & P.M.Jørg.
  * Viola glechomoides Leyb.
  * Viola gmeliniana Schult.
  * Viola godoyae Phil.
  * Viola × gotlandica W.Becker
  * Viola gracilis Sm.
  * Viola gracillima A.St.-Hil.
  * Viola grahamii Benth.
  * Viola grandisepala W.Becker
  * Viola granulosa Wedd.
  * Viola grayi Franch. & Sav.
  * Viola × greatrexii Nakai & F.Maek.
  * Viola grisebachiana Vis.
  * Viola × grubovii Vl.V.Nikitin
  * Viola grypoceras A.Gray
  * Viola guadalupensis A.M.Powell & Wauer
  * Viola guangzhouensis A.Q.Dong, J.S.Zhou & F.W.Xing
  * Viola guatemalensis W.Becker
  * Viola guaxarensis M.Marrero, Docoito Díaz & Martín Esquivel
  
  ## H
  
  * Viola × halacsyana Degen & Dörfl.
  * Viola hallii A.Gray
  * Viola hamiltoniana D.Don
  * Viola hancockii W.Becker
  * Viola hastata Michx.
  * Viola × haynaldii Wiesb.
  * Viola hederacea Labill.
  * Viola hediniana W.Becker
  * Viola heldreichiana Boiss.
  * Viola helena C.N.Forbes & Lydgate
  * Viola hemsleyana Calderón
  * Viola henriquesii (Willk. ex Cout.) W.Becker
  * Viola henryi H.Boissieu
  * Viola herzogii (W.Becker) Bornm.
  * Viola × heterocarpa Borbás
  * Viola hieronymi W.Becker
  * Viola hillii W.Becker
  * Viola hirsutula Brainerd
  * Viola hirta L.
  * Viola × hirtiformis Wiesb.
  * Viola hirtipes S.Moore
  * Viola hispida Lam.
  * Viola hissarica Juz.
  * Viola × hollickii House
  * Viola hondoensis W.Becker & H.Boissieu
  * Viola hookeri Thomson
  * Viola hookeriana Kunth
  * Viola howellii A.Gray
  * Viola huesoensis Martic.
  * Viola huidobrii Gay
  * Viola hultenii W.Becker
  * Viola humilis Kunth
  * Viola × hungarica Degen & Sabr.
  * Viola hybanthoides W.B.Liao & Q.Fan
  * Viola hymettia Boiss. & Heldr.
  * Viola × hyrcanica Vl.V.Nikitin
  
  ## I
  
  * Viola × ibukiana Makino
  * Viola × igoschinae Vl.V.Nikitin
  * Viola ilvensis (W.Becker) Arrigoni
  * Viola improcera L.G.Adams
  * Viola incisa Turcz.
  * Viola × incissecta Vl.V.Nikitin
  * Viola incognita Brainerd
  * Viola inconspicua Blume
  * Viola indica W.Becker
  * Viola ingolensis Elisafenko
  * Viola × insessa House
  * Viola × insolita House
  * Viola × interjecta Borbás
  * Viola × intersita Beck
  * Viola ircutiana Turcz.
  * Viola irinae Zolot.
  * Viola isaurica Contandr. & Quézel
  * Viola × iselensis W.Becker
  * Viola isopetala Juz.
  * Viola ivonis Erben
  * Viola iwagawae Makino
  
  ## J
  
  * Viola jalapaensis W.Becker
  * Viola jangiensis W.Becker
  * Viola japonica Langsd. ex Ging.
  * Viola jaubertiana Marès & Vigin.
  * Viola javanica W.Becker
  * Viola jeniseensis Zuev
  * Viola × jindoensis M.Kim
  * Viola jinggangshanensis Z.L.Ning & J.P.Liao
  * Viola jizushanensis S.H.Huang
  * Viola × joannis-wagneri Kárpáti
  * Viola johnstonii W.Becker
  * Viola jooi Janka
  * Viola jordanii Hanry
  * Viola × juzepczukii Vl.V.Nikitin
  
  ## K
  
  * Viola kamtschadalorum W.Becker & Hultén
  * Viola × karakulensis Vl.V.Nikitin & O.Baranova
  * Viola karlreicheana Sanso, M.Seo & Xifreda
  * Viola kauaensis A.Gray
  * Viola keiskei Miq.
  * Viola kermesina W.Becker
  * Viola × kerneri Wiesb.
  * Viola × kisoana Nakai
  * Viola kitaibeliana Schult.
  * Viola kitamiana Nakai
  * Viola kizildaghensis Dinç & Yild.
  * Viola kjellbergii Melch.
  * Viola × klingeana Ronniger
  * Viola kopaonikensis Pancic ex Tomovic & Niketic
  * Viola kosanensis Hayata
  * Viola kosaninii (Degen) Hayek
  * Viola × kozo-poljanskii Grosset
  * Viola × krascheninnikoviorum Vl.V.Nikitin
  * Viola kunawarensis Royle
  * Viola kusanoana Makino
  * Viola kusnezowiana W.Becker
  
  ## L
  
  * Viola labradorica Schrank
  * Viola × lacmonica Hausskn.
  * Viola lactea Sm.
  * Viola lactiflora Nakai
  * Viola lainzii P.Monts.
  * Viola lanaiensis W.Becker
  * Viola lanceolata L.
  * Viola langeana Valentine
  * Viola langloisii Greene
  * Viola langsdorffii Fisch. ex Ging.
  * Viola lanifera W.Becker
  * Viola laricicola Marcussen
  * Viola latistipula Hemsl.
  * Viola latiuscula Greene
  * Viola lehmannii W.Becker
  * Viola leyboldiana Phil.
  * Viola libanotica Boiss.
  * Viola lilliputana Iltis & H.E.Ballard
  * Viola lilloana W.Becker
  * Viola limbarae (Merxm. & W.Lippert) Arrigoni
  * Viola lithion N.H.Holmgren & P.K.Holmgren
  * Viola × litoralis Spreng.
  * Viola livonica Vl.V.Nikitin
  * Viola llullaillacoensis W.Becker
  * Viola lobata Benth.
  * Viola longipetiolata Ricceri & Moraldo
  * Viola lovelliana Brainerd
  * Viola lucens W.Becker
  * Viola × luciae Skottsb.
  * Viola lungtungensis S.S.Ying
  * Viola lutea Huds.
  * Viola × lutzii E.G.Camus
  * Viola lyallii Hook.f.
  
  ## M
  
  * Viola macloskeyi F.E.Lloyd
  * Viola macroceras Bunge
  * Viola maculata Cav.
  * Viola magellanica G.Forst.
  * Viola magellensis Porta & Rigo ex Strobl
  * Viola magnifica C.J.Wang & X.D.Wang
  * Viola majchurensis Pissjauk.
  * Viola × malteana House
  * Viola mandonii W.Becker
  * Viola mandshurica W.Becker
  * Viola maoershanensis Y.S.Chen & Q.E.Yang
  * Viola marcelorosasii J.M.Watson & A.R.Flores
  * Viola × markgrafii W.Becker
  * Viola maroccana (Maire) Maire
  * Viola × matczkasensis Vl.V.Nikitin
  * Viola mauritii Tepl.
  * Viola maviensis H.Mann
  * Viola maximowicziana Makino
  * Viola maymanica Grey-Wilson
  * Viola mearnsii Merr.
  * Viola × melissifolia Greene
  * Viola membranacea W.Becker
  * Viola × menitzkii Vl.V.Nikitin
  * Viola mercurii Orph. ex Halácsy
  * Viola merrilliana W.Becker
  * Viola merxmuelleri Erben
  * Viola miaolingensis Y.S.Chen
  * Viola micranthella Wedd.
  * Viola microcentra W.Becker
  * Viola microphylla Phil.
  * Viola milanae Vl.V.Nikitin
  * Viola × militaris Savouré
  * Viola minuscula Greene
  * Viola minuta M.Bieb.
  * Viola minutiflora Phil.
  * Viola mirabilis L.
  * Viola missouriensis Greene
  * Viola × mixta A.Kern.
  * Viola × miyajiana Koidz.
  * Viola modesta Fenzl
  * Viola molisana Ricceri & Moraldo
  * Viola × mollicula House
  * Viola mongolica Franch.
  * Viola montagnei Gay
  * Viola montcaunica Pau
  * Viola moupinensis Franch.
  * Viola mucronulifera Hand.-Mazz.
  * Viola muehldorfii Kiss
  * Viola × mulfordiae Pollard
  * Viola muliensis Y.S.Chen & Q.E.Yang
  * Viola munbyana Boiss. & Reut.
  * Viola murronensis Ricceri & Moraldo
  * Viola muscoides Phil.
  
  ## N
  
  * Viola nagasawae Makino & Hayata
  * Viola × najadum Wein
  * Viola nana (DC. ex Ging.) Le Jol.
  * Viola nanlingensis J.S.Zhou & F.W.Xing
  * Viola nannae R.E.Fr.
  * Viola nannei Pol.
  * Viola × napae House
  * Viola nebrodensis C.Presl
  * Viola × neglectiformis Vl.V.Nikitin
  * Viola nemoralis Kütz.
  * Viola nephrophylla Greene
  * Viola niederleinii W.Becker
  * Viola × nikitinii Vasjukov
  * Viola nitida Y.S.Chen & Q.E.Yang
  * Viola nobilis W.Becker
  * Viola × notabilis E.P.Bicknell
  * Viola novae-angliae House
  * Viola nubigena Leyb.
  * Viola nuda W.Becker
  * Viola nujiangensis Y.S.Chen & X.H.Jin
  * Viola nummulariifolia Vill.
  * Viola nuttallii Pursh
  
  ## O
  
  * Viola oahuensis C.N.Forbes
  * Viola oblonga Blatt.
  * Viola obtusa (Makino) Makino
  * Viola × obtusoacuminata T.Hashim. ex T.Shimizu
  * Viola × obtusogrypoceras Makino
  * Viola occulta Lehm.
  * Viola ocellata Torr. & A.Gray
  * Viola odontocalycina Boiss.
  * Viola odorata L.
  * Viola × okuharae F.Maek. ex T.Shimizu
  * Viola × olimpia Beggiat.
  * Viola orbelica Pancic
  * Viola orbiculata (A.Gray) Geyer ex B.D.Jacks.
  * Viola oreades M.Bieb.
  * Viola orientalis (Maxim.) W.Becker
  * Viola orphanidis Boiss.
  * Viola orthoceras Ledeb.
  * Viola ovalleana Phil.
  * Viola ovato-oblonga (Miq.) Makino
  * Viola oxyodontis H.E.Ballard
  
  ## P
  
  * Viola pachyrrhiza Boiss. & Hohen.
  * Viola pachysoma M.Sheader & J.M.Watson
  * Viola pacifica Juz.
  * Viola painteri Rose & House
  * Viola palatina Y.N.Lee
  * Viola pallascaensis W.Becker
  * Viola palmata L.
  * Viola palmensis (Webb & Berthel.) Sauer
  * Viola palustris L.
  * Viola papuana W.Becker & Pulle
  * Viola paradoxa Lowe
  * Viola parnonia Kit Tan, Sfikas & Vold
  * Viola parvula Tineo
  * Viola patrinii Ging.
  * Viola pectinata E.P.Bicknell
  * Viola pedata L.
  * Viola pedatifida G.Don
  * Viola pedunculata Torr. & A.Gray
  * Viola pekinensis (Regel) W.Becker
  * Viola pendulicarpa W.Becker
  * Viola pentadactyla Fenzl
  * Viola perinensis W.Becker
  * Viola × perplexa Gremli
  * Viola perpusilla Boissieu
  * Viola perreniformis (L.G.Adams) R.J.Little & Leiper
  * Viola phalacrocarpa Maxim.
  * Viola philippiana Greene
  * Viola philippica Cav.
  * Viola phitosiana Erben
  * Viola pilosa Blume
  * Viola pinetorum Greene
  * Viola pinnata L.
  * Viola pitouchaoensis S.S.Ying
  * Viola placida W.Becker
  * Viola × pluricaulis Borbás
  * Viola pluviae Marcussen, H.E.Ballard & Blaxland
  * Viola × poelliana Murr
  * Viola poetica Boiss. & Spruner
  * Viola polycephala H.E.Ballard & P.M.Jørg.
  * Viola polypoda Turcz.
  * Viola × popovae Vl.V.Nikitin
  * Viola × populifolia Greene
  * Viola × porphyrea R.Uechtr.
  * Viola portalesia Gay
  * Viola × porteriana Pollard
  * Viola portulacea Leyb.
  * Viola praemorsa Douglas
  * Viola primorskajensis (W.Becker) Vorosch.
  * Viola primulifolia L.
  * Viola principis Boissieu
  * Viola prionantha Bunge
  * Viola producta W.Becker
  * Viola psammophila Phil.
  * Viola pseudaetolica Tomovic, Melovski & Niketic
  * Viola pseudogracilis (A.Terracc.) Strobl ex Degen & Dörfl.
  * Viola pseudograeca Erben
  * Viola × pseudomakinoi M.Mizush. ex T.Shimizu
  * Viola pubescens Aiton
  * Viola pulvinata Reiche
  * Viola pumila Chaix
  * Viola purpurea Kellogg
  * Viola pusilla Poepp.
  * Viola pusillima Wedd.
  * Viola pygmaea Juss. ex Poir.
  * Viola × pynzarii Vl.V.Nikitin
  * Viola pyrenaica Ramond ex DC.
  
  ## Q
  
  * Viola quercetorum M.S.Baker & J.C.Clausen
  
  ## R
  
  * Viola raddeana Regel
  * Viola rafinesquei Greene
  * Viola ramiflora K.O.Yoo
  * Viola ramosiana W.Becker
  * Viola rauliniana Erben
  * Viola × raunsiensis W.Becker & Koanin
  * Viola rausii Erben
  * Viola × redacta House
  * Viola regina J.M.Watson & A.R.Flores
  * Viola reichei Skottsb. ex Macloskie
  * Viola reichenbachiana Jord. ex Boreau
  * Viola renifolia A.Gray
  * Viola replicata W.Becker
  * Viola × reschetnikovae Vl.V.Nikitin
  * Viola retusa Greene
  * Viola rheophila Okamoto
  * Viola rhodopeia W.Becker
  * Viola rhombifolia Leyb.
  * Viola × ritschliana W.Becker
  * Viola riviniana Rchb.
  * Viola × robinsoniana House
  * Viola roccabrunensis Espeut
  * Viola rodriguezii W.Becker
  * Viola roigii Rossow
  * Viola rosacea Brainerd
  * Viola rossii Hemsl.
  * Viola rossowiana J.M.Watson & A.R.Flores
  * Viola rostrata Muhl. ex Pursh
  * Viola rosulata Poepp. & Endl.
  * Viola rotundifolia Michx.
  * Viola rubella Cav.
  * Viola rubromarginata J.M.Watson & A.R.Flores
  * Viola rudolfii Vl.V.Nikitin
  * Viola rudolphii Sparre
  * Viola rugosa Phil. ex W.Becker
  * Viola rugulosa Greene
  * Viola × rupestriformis Vl.V.Nikitin
  * Viola rupestris F.W.Schmidt
  * Viola rupicola Elmer
  
  ## S
  
  * Viola saccata Melch.
  * Viola sacchalinensis H.Boissieu
  * Viola sacculus Skottsb.
  * Viola sagittata Aiton
  * Viola samothracica (Degen) Raus
  * Viola sandrasea Melch.
  * Viola santiagonensis W.Becker
  * Viola savatieri Makino
  * Viola saxifraga Maire
  * Viola × scabra F.Braun
  * Viola scandens Humb. & Bonpl. ex Schult.
  * Viola schachimardanica Khalk.
  * Viola schariensis Erben
  * Viola × schauloi Vl.V.Nikitin
  * Viola scorpiuroides Coss.
  * Viola seleriana W.Becker
  * Viola selkirkii Pursh ex Goldie
  * Viola sempervirens Greene
  * Viola sempervivum Gay
  * Viola × semseyana Borbás
  * Viola senzanensis Hayata
  * Viola septemloba Leconte
  * Viola septentrionalis Greene
  * Viola sequeirae Capelo, R.Jardim, J.C.Costa, Lousã & Rivas Mart.
  * Viola × sermenika Formánek
  * Viola serpentinicola Mig.F.Salas
  * Viola serresiana Erben
  * Viola sfikasiana Erben
  * Viola shaoyoukengensis S.S.Ying
  * Viola sheltonii Torr.
  * Viola shikokiana Makino
  * Viola shinchikuensis Yamam.
  * Viola sieberiana Spreng.
  * Viola sieboldii Maxim.
  * Viola sieheana W.Becker
  * Viola sikkimensis W.Becker
  * Viola silicestris K.R.Thiele & Prober
  * Viola singularis J.M.Watson & A.R.Flores
  * Viola sintenisii W.Becker
  * Viola sirinica Ricceri & Moraldo
  * Viola × skofitziana Wiesb.
  * Viola skottsbergiana W.Becker
  * Viola somchetica K.Koch
  * Viola sororia Willd.
  * Viola spathulata Willd. ex Schult.
  * Viola speciosa Pant.
  * Viola spegazzinii W.Becker
  * Viola sphaerocarpa W.Becker
  * Viola stagnina Kit. ex Schult.
  * Viola steinbachii W.Becker
  * Viola stewardiana W.Becker
  * Viola stipularis Sw.
  * Viola stojanowii W.Becker
  * Viola stoloniflora Yokota & Higa
  * Viola stoneana House
  * Viola striata Aiton
  * Viola striatella H.Boissieu
  * Viola striis-notata (J.Wagner) Merxm. & W.Lippert
  * Viola stuebelii Hieron.
  * Viola suavis M.Bieb.
  * Viola × subaffinis House
  * Viola subandina J.M.Watson
  * Viola subasica (Fiori) Ricceri & Moraldo
  * Viola subatlantica (Maire) Ibn Tattou
  * Viola subdimidiata A.St.-Hil.
  * Viola × sublanceolata House
  * Viola subsinuata (Greene) Greene
  * Viola × sukaczewii Vl.V.Nikitin
  * Viola sumatrana Miq.
  * Viola szetschwanensis W.Becker & H.Boissieu
  
  ## T
  
  * Viola taltalensis W.Becker
  * Viola tanaitica Grosset
  * Viola tarbagataica Klokov
  * Viola tashiroi Makino
  * Viola tectiflora W.Becker
  * Viola tenuipes Pollard
  * Viola tenuissima C.C.Chang
  * Viola teplouchovii Juz.
  * Viola teshioensis Miyabe & Tatew.
  * Viola thasia W.Becker
  * Viola thianschanica Maxim.
  * Viola thibaudieri Franch. & Sav.
  * Viola thomasiana Songeon & E.P.Perrier
  * Viola thomsonii Oudem.
  * Viola thymifolia Britton
  * Viola tienschiensis W.Becker
  * Viola × tigirekica Vl.V.Nikitin
  * Viola tineorum Erben & Raimondo
  * Viola tokubuchiana Makino
  * Viola tomentosa M.S.Baker & J.C.Clausen
  * Viola × torslundensis W.Becker
  * Viola tovarii P.Gonzáles & Molina-Alor
  * Viola triangulifolia W.Becker
  * Viola trichopetala C.C.Chang
  * Viola trichosepala (W.Becker) Juz.
  * Viola tricolor L.
  * Viola tridentata Sm.
  * Viola triflabellata W.Becker
  * Viola trinervata (Howell) Howell ex A.Gray
  * Viola tripartita Elliott
  * Viola trochlearis J.M.Watson & A.R.Flores
  * Viola truncata Meyen
  * Viola turkestanica Regel & Schmalh.
  * Viola turritella J.M.Watson & A.R.Flores
  * Viola × tuvinica Vl.V.Nikitin
  * Viola × tzvelevii Vl.V.Nikitin
  
  ## U
  
  * Viola ucriana Erben & Raimondo
  * Viola × uechtritziana Borbás
  * Viola uliginosa Besser
  * Viola umbraticola Kunth
  * Viola umphangensis S.Nansai, Srisanga & Suwanph.
  * Viola uniflora L.
  * Viola uniquissima J.M.Watson & A.R.Flores
  * Viola unwinii W.Becker
  * Viola urophylla Franch.
  * Viola utahensis M.S.Baker & J.C.Clausen
  * Viola utchinensis Koidz.
  
  ## V
  
  * Viola vadimii Vl.V.Nikitin
  * Viola vaginata Maxim.
  * Viola valderia All.
  * Viola vallenarensis W.Becker
  * Viola vallicola A.Nelson
  * Viola vanroyenii H.St.John
  * Viola variegata Fisch. ex Link
  * Viola vectoris Ricceri & Moraldo
  * Viola velutina Formánek
  * Viola veronicifolia Planch. & Linden
  * Viola viarum Pollard
  * Viola × viatkensis Vl.V.Nikitin
  * Viola × villaquensis Benz
  * Viola villosa Walter
  * Viola × vilnaensis W.Becker
  * Viola × vindobonensis Wiesb.
  * Viola violacea Makino
  * Viola vittata Greene
  * Viola volcanica Gillies ex Hook. & Arn.
  * Viola voliotisii Erben
  * Viola vorobievii Bezd.
  * Viola vourinensis Erben
  * Viola vulturis Ricceri & Moraldo
  
  ## W
  
  * Viola wailenalenae (Rock) Skottsb.
  * Viola wallichiana Ging.
  * Viola walteri House
  * Viola wansanensis Y.N.Lee
  * Viola weberbaueri W.Becker
  * Viola websteri Hemsl.
  * Viola weibelii J.F.Macbr.
  * Viola werdermannii W.Becker
  * Viola × wilczekiana Beauverd
  * Viola × wilhelmii Vl.V.Nikitin
  * Viola × wilibaldii Vl.V.Nikitin
  * Viola willkommii R.Roem. ex Willk.
  * Viola woosanensis Y.N.Lee & J.Kim
  * Viola woroschilovii Bezd.
  * Viola × wujekii H.E.Ballard
  * Viola wulingensis S.S.Ying
  
  ## X
  
  * Viola xanthopotamica J.M.Watson & A.R.Flores
  
  ## Y
  
  * Viola yazawana Makino
  * Viola yezoensis Maxim.
  * Viola yildirimlii Dinç & Bagci
  * Viola yunnanensis W.Becker & H.Boissieu
  * Viola yunnanfuensis W.Becker
  * Viola × yurii Vl.V.Nikitin
  * Viola yuzufelensis A.P.Khokhr.
  
  ## Z
  
  * Viola × zophodes K.R.Thiele & Prober
  * Viola × zwienenii J.M.Watson & A.R.Flores
  