The Plant List — A working list for all plant species

Results

2532 plant name records match your search criteria Viola. The results are below.

The names found have these generic epithets:

The results can also be downloaded as a CSV file (Unicode UTF-8 encoding).

See "Status", "Confidence level", "Source" for definitions.

Name Status Confi­dence level Source Date supplied
Viola aberrans Greene Accepted M TRO
Viola abortiva Jord. Unresolved L WCSP (in review)
Viola abulensis Fern.Casado & Nava Unresolved L WCSP (in review)
Viola × abundans House Unresolved L WCSP (in review)
Viola abyssinica Steud. ex Oliv. Accepted M TRO
Viola abyssinica var. eminii Engl. Synonym L TRO
Viola acanthophylla Leybold ex Reiche Accepted M TRO
Viola acaulis Schult. Unresolved L WCSP (in review)
Viola accrescens Klokov Accepted M WCSP (in review)
Viola achlydophylla Greene Synonym M TRO
Viola achyrophora Greene Unresolved L WCSP (in review)
Viola acrocerauniensis Erben Accepted M WCSP (in review)
Viola acuminata Ledeb. Accepted M TRO
Viola acuminata var. acuminata Synonym L TRO
Viola acuminata subsp. austroussuriensis W. Becker Synonym L TRO
Viola acuminata var. austroussuriensis (W. Becker) Kitag. Synonym L TRO
Viola acuminata var. brevistipulata (W. Becker) Kitag. Synonym L TRO
Viola acuminata var. intermedia Nakai Synonym L TRO
Viola acuta Bigelow Synonym M TRO
Viola acutifolia (Kar. & Kir.) W. Becker Accepted M TRO
Viola acutilabella Hayata Synonym M TRO
Viola adenothrix Hayata Synonym M TRO
Viola adenothrix var. tsugitakaensis (Masam.) J.C. Wang & T.C. Huang Synonym L TRO
Viola × adriatica Freyn Accepted M WCSP (in review)
Viola × adulterina Schur Unresolved L WCSP (in review)
Viola × adulterina Godr. Unresolved L WCSP (in review)
Viola adunca Sm. Accepted M TRO
Viola adunca var. adunca Synonym L TRO
Viola adunca subsp. adunca Synonym L TRO
Viola adunca f. adunca Synonym L TRO
Viola adunca var. bellidifolia (Greene) H.D. Harr. Synonym L TRO
Viola adunca f. glabra (Brainerd) G.N. Jones Synonym L TRO
Viola adunca var. glabra Brainerd Synonym L TRO
Viola adunca var. longipes (Nutt.) Rydb. Synonym L TRO
Viola adunca f. masonii (Farw.) B. Boivin Accepted L TRO
Viola adunca var. minor (Hook.) Fernald Accepted L TRO
Viola adunca subsp. oxyceras (S. Watson) Piper Synonym L TRO
Viola adunca var. oxyceras (S. Watson) Jeps. Synonym L TRO
Viola adunca var. uncinulata (Greene) C.L. Hitchc. & Ownbey Accepted L TRO
Viola adunca subsp. uncinulata (Greene) Applegate Synonym L TRO
Viola aduncoides Á.Löve & D.Löve Unresolved L WCSP (in review)
Viola aethnensis Parl. Accepted M WCSP (in review)
Viola aethnensis subsp. messanensis (W.Becker) Merxm. & W.Lippert Synonym L WCSP (in review)
Viola aethnensis subsp. splendida (W.Becker) Merxm. & W.Lippert Synonym L WCSP (in review)
Viola aetnensis Tornab. Unresolved L WCSP (in review)
Viola aetolica Boiss. & Heldr. Accepted M WCSP (in review)
Viola affinis Leconte Synonym M TRO
Viola agrestis Jord. Unresolved L WCSP (in review)
Viola aguilaris Sennen & Gonzalo Unresolved L WCSP (in review)
Viola aizoon Reiche Accepted M WCSP (in review)
Viola × ajtayana J.Wagner Unresolved L WCSP (in review)
Viola alabamensis Pollard Unresolved L WCSP (in review)
Viola alachuana Murrill Unresolved L WCSP (in review)
Viola alaica Vved. Accepted M WCSP (in review)
Viola alajensis W.Becker Unresolved L WCSP (in review)
Viola alata Burgersd. Synonym M TRO
Viola alata subsp. verecunda (A. Gray) W. Becker Synonym L TRO
Viola alba Besser Accepted M WCSP (in review)
Viola alba subsp. cretica (Boiss. & Heldr.) Marcussen Accepted L WCSP (in review)
Viola alba subsp. dehnhardtii (Ten.) W.Becker Accepted L WCSP (in review)
Viola alba subsp. scotophylla (Jord.) Nyman Accepted L WCSP (in review)
Viola alba subsp. thessala (Boiss. & Spruner) Hayek Synonym L WCSP (in review)
Viola albanica Halácsy Unresolved L WCSP (in review)
Viola albertina Greene Unresolved L WCSP (in review)
Viola albida Palib. Accepted M TRO
Viola albida var. albida Synonym L TRO
Viola albida var. chaerophylloides (Regel) F. Maek. Synonym L TRO
Viola albida var. sieboldiana (Maxim.) F. Maek. Synonym L TRO
Viola albida f. sieboldiana (Maxim.) F. Maek. Synonym L TRO
Viola albida var. takahashii (Nakai) Nakai Accepted L TRO
Viola albida f. takahashii (Nakai) Kitag. Synonym L TRO
Viola × albiensis Sudre Unresolved L WCSP (in review)
Viola albiflora Link Unresolved L WCSP (in review)
Viola × albimaritima Vl.V.Nikitin Unresolved L WCSP (in review)
Viola × albovii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola alexandrowiana (W.Becker) Juz. Unresolved L WCSP (in review)
Viola alexejana Kamelin & Junussov Unresolved L WCSP (in review)
Viola algida Humb. & Bonpl. ex Schult. Unresolved L WCSP (in review)
Viola aliceae M.S.Baker Unresolved L WCSP (in review)
Viola alisoviana Kiss Synonym M WCSP (in review)
Viola alisoviana f. candida (Kitag.) Taken. Synonym L TRO
Viola alisoviana f. intermedia (Kitag.) Taken. Synonym L TRO
Viola allardii Greene Unresolved L WCSP (in review)
Viola allchariensis Beck Accepted M WCSP (in review)
Viola alleghanensis Schult. Unresolved L WCSP (in review)
Viola allegheniensis L.K.Henry Unresolved L WCSP (in review)
Viola alliariifolia Nakai Unresolved L WCSP (in review)
Viola allionii Hegetschw. Unresolved L WCSP (in review)
Viola allochroa Botsch. Accepted M WCSP (in review)
Viola alpestris W.Becker Unresolved L WCSP (in review)
Viola alpestris Hegetschw. Unresolved L WCSP (in review)
Viola alpestris Jord. Unresolved L WCSP (in review)
Viola × alpigena Chatenier Unresolved L WCSP (in review)
Viola alpina Jacq. Accepted M WCSP (in review)
Viola alsophila Greene Unresolved L WCSP (in review)
Viola altaica Ker Gawl. Accepted M WCSP (in review)
Viola amamiana Hatus. Unresolved L WCSP (in review)
Viola amani Post Unresolved L WCSP (in review)
Viola ambigua Waldst. & Kit. Accepted M WCSP (in review)
Viola ammotropha E.H.L.Krause Unresolved L WCSP (in review)
Viola amoena T.F.Forst. Unresolved L WCSP (in review)
Viola amoena Leconte Unresolved L WCSP (in review)
Viola amorphophylla Pollard Unresolved L WCSP (in review)
Viola ampliata Greene Unresolved L WCSP (in review)
Viola amurica W. Becker Synonym M TRO
Viola anagae Gilli Unresolved L WCSP (in review)
Viola andersonii Greene Unresolved L WCSP (in review)
Viola andina W.Becker Unresolved L WCSP (in review)
Viola andrasovszkyi Jáv. Unresolved L WCSP (in review)
Viola angelliae Pollard Accepted M TRO
Viola angkae Craib Unresolved L WCSP (in review)
Viola anglica Drabble Unresolved L WCSP (in review)
Viola angustifolia Phil. Accepted M TRO
Viola angustistipulata C.C. Chang Synonym M TRO
Viola anisopetala Greene Synonym M TRO
Viola annamensis Baker f. Unresolved L WCSP (in review)
Viola anodonta Greene Unresolved L WCSP (in review)
Viola anomala Kit. ex Colla Unresolved L WCSP (in review)
Viola apennina N.Terracc. Unresolved L WCSP (in review)
Viola apetala F.W.Schmidt Unresolved L WCSP (in review)
Viola apetala Gilib. Unresolved L WCSP (in review)
Viola apetala Roxb. Unresolved L WCSP (in review)
Viola apoensis Elmer Unresolved L WCSP (in review)
Viola appalachiensis L.K. Henry Synonym M TRO
Viola appendiculata Steud. Unresolved L WCSP (in review)
Viola aprica Spreng. Unresolved L WCSP (in review)
Viola araucaniae Becker Accepted M TRO
Viola arborea L. Synonym M WCSP (in review)
Viola arborescens L. Accepted M WCSP (in review)
Viola arbuscula Phil. Unresolved L WCSP (in review)
Viola arcuata Blume Accepted M TRO
Viola arcuata f. radicans (Makino) Nakai Synonym L TRO
Viola arcuata var. verecunda (A. Gray) Nakai Synonym L TRO
Viola arenaria DC. Synonym M WCSP (in review)
Viola arenicola Chabert Unresolved L WCSP (in review)
Viola argenteria Moraldo & Forneris Unresolved L WCSP (in review)
Viola argentina W.Becker Unresolved L WCSP (in review)
Viola argentinensis Speg. Unresolved L WCSP (in review)
Viola arguta Willd. ex Roem. & Schult. Accepted M TRO
Viola arguta subsp. meridionalis W. Becker Synonym L TRO
Viola arguta var. meridionalis (W. Becker) L.B. Sm. & A. Fernández Synonym L TRO
Viola arguta subsp. typica W. Becker Synonym L TRO
Viola arisanensis W.Becker Unresolved L WCSP (in review)
Viola arizonica Greene Synonym M TRO
Viola armena Boiss. & A.Huet Unresolved L WCSP (in review)
Viola × arophila Wiesb. Unresolved L WCSP (in review)
Viola arsenica Beck Accepted M WCSP (in review)
Viola arvatica Jord. Unresolved L WCSP (in review)
Viola arvensioides Strobl Unresolved L WCSP (in review)
Viola arvensis Murray Accepted M WCSP (in review)
Viola arvensis subsp. arvensis Synonym L TRO
Viola arvensis subsp. kitaibeliana (Schult.) Mateo & Figuerola Synonym L WCSP (in review)
Viola arvensis subsp. megalantha Nauenb. Unresolved L WCSP (in review)
Viola asarifolia Pursh Synonym M TRO
Viola aspera Ging. Unresolved L WCSP (in review)
Viola asterias Hook. & Arn. Synonym M TRO
Viola athois W.Becker Accepted M WCSP (in review)
Viola atlantica Britton Unresolved L WCSP (in review)
Viola atlantica Pomel Unresolved L WCSP (in review)
Viola atrichocarpa Borbás Unresolved L WCSP (in review)
Viola atriplicifolia Greene Synonym M TRO
Viola atriplicifolia var. thorii (A. Nelson) A. Nelson Synonym L TRO
Viola atropurpurea Leyb. Accepted M TRO
Viola atroviolacea W. Becker Synonym M TRO
Viola attenuata Steud. Unresolved L WCSP (in review)
Viola attenuata Sweet Unresolved L WCSP (in review)
Viola aubletii G.Mey. Unresolved L WCSP (in review)
Viola aurantiaca Leyb. Accepted M TRO
Viola aurasiaca Pomel Unresolved L WCSP (in review)
Viola aurata Phil. Accepted M TRO
Viola aurea Kellogg Accepted M TRO
Viola aurea subsp. aurea Synonym L TRO
Viola aurea var. venosa (S. Watson) S. Watson Synonym L TRO
Viola auricolor Skottsb. Unresolved L WCSP (in review)
Viola auricula Leyb. Accepted M TRO
Viola auriculata Leyb. Unresolved L WCSP (in review)
Viola auritella W.Becker Unresolved L WCSP (in review)
Viola × ausonensis Sennen Unresolved L WCSP (in review)
Viola austiniae Greene Unresolved L TRO
Viola austriaca A.Kern. & Jos.Kern. Unresolved L WCSP (in review)
Viola austrosinensis Y.S.Chen & Q.E.Yang Unresolved L WCSP (in review)
Viola austroussuriensis (W. Becker) Kom. Synonym M TRO
Viola avatschensis W.Becker & Hultén Unresolved L WCSP (in review)
Viola averyi Kellogg Unresolved L WCSP (in review)
Viola awagatakensis T.Yamaz., I.Ito & Ageishi Unresolved L WCSP (in review)
Viola × babiogorensis Zapał. Unresolved L WCSP (in review)
Viola babunensis Erben Unresolved L WCSP (in review)
Viola × bachtschisaraensis Vl.V.Nikitin Unresolved L WCSP (in review)
Viola × badensis Wiesb. Unresolved L WCSP (in review)
Viola baicalensis W.Becker Unresolved L WCSP (in review)
Viola bakeri Greene Accepted M TRO
Viola bakeri subsp. bakeri Synonym L TRO
Viola balansae Gagnep. Unresolved L WCSP (in review)
Viola balbisii Re Unresolved L WCSP (in review)
Viola balcanica Delip. Unresolved L WCSP (in review)
Viola × balearica Rosselló, Mayol & Mus Unresolved L WCSP (in review)
Viola × balmesii Sennen Unresolved L WCSP (in review)
Viola balsaminoides Gardner Unresolved L WCSP (in review)
Viola baltica W.Becker Unresolved L WCSP (in review)
Viola bambusetorum Hand.-Mazz. Synonym M TRO
Viola banatica Kit. ex Schult. Unresolved L WCSP (in review)
Viola banatica Simonk. Unresolved L WCSP (in review)
Viola bangiana W. Becker Synonym M TRO
Viola bangii Rusby Accepted M TRO
Viola banksii K.R.Thiele & Prober Unresolved L WCSP (in review)
Viola barbata Muhl. ex Schult. Unresolved L WCSP (in review)
Viola barceloi L.Chodat Unresolved L WCSP (in review)
Viola barceloi Nyman Unresolved L WCSP (in review)
Viola barroetana W. Schaffn. Accepted M TRO
Viola × basilensis W.Becker Unresolved L WCSP (in review)
Viola × batava Kloos Unresolved L WCSP (in review)
Viola battandieri W.Becker Unresolved L WCSP (in review)
Viola baumgarteniana Schur Unresolved L WCSP (in review)
Viola bavarica Schrank Unresolved L WCSP (in review)
Viola baxteri House Unresolved L WCSP (in review)
Viola beamanii Calderón Unresolved L WCSP (in review)
Viola beckiana Fiala ex Beck Accepted M WCSP (in review)
Viola beckwithii Torr. Accepted M TRO
Viola beckwithii subsp. beckwithii Synonym L TRO
Viola beckwithii var. cachensis C.P. Sm. Synonym L TRO
Viola beckwithii var. trinervata Howell Synonym L TRO
Viola beckwithii torr & a gray x utahensis M.S. Baker & J.C. Clausen Unresolved L TRO
Viola beebyi Druce Unresolved L WCSP (in review)
Viola begoniifolia Benth. Synonym M TRO
Viola behboudiana Rech.f. & Esfand. Unresolved L WCSP (in review)
Viola bella Gren. Unresolved L WCSP (in review)
Viola bellidifolia Greene Synonym M TRO
Viola bellidifolia subsp. valida M.S. Baker Synonym L TRO
Viola belophylla H. Boissieu Accepted M TRO
Viola beraudii Boreau Unresolved L WCSP (in review)
Viola × berggrenii W.Becker Unresolved L WCSP (in review)
Viola × bernardii (Greene) Greene Accepted M TRO
Viola bernoulliana W.Becker Unresolved L WCSP (in review)
Viola berteroniana Steud. Unresolved L WCSP (in review)
Viola bertolonii Salis [Illegitimate] Synonym M WCSP (in review)
Viola bertolonii Pio Accepted M WCSP (in review)
Viola bertolonii subsp. messanensis (W.Becker) A.F.W.Schmidt Accepted L WCSP (in review)
Viola bertotii Souché ex Corb. Unresolved L WCSP (in review)
Viola × bessarabica Zapał. Unresolved L WCSP (in review)
Viola besseri Rupr. Unresolved L WCSP (in review)
Viola × bethkeana Prahl Unresolved L WCSP (in review)
Viola bethkeana Borbás Unresolved L WCSP (in review)
Viola × bethkei K.Richt. Unresolved L WCSP (in review)
Viola betonicifolia Sm. Accepted M TRO
Viola betonicifolia subsp. dielsiana W. Becker Synonym L TRO
Viola betonicifolia subsp. jaunsariensis (W. Becker) H. Hara Synonym L TRO
Viola betonicifolia subsp. nepalensis (Ging.) W. Becker Synonym L TRO
Viola betonicifolia subsp. novaguineensis D.M.Moore Synonym L TRO
Viola betonicifolia var. oblongosagittata (Nakai) F. Maek. & T. Hashim. Synonym L TRO
Viola betonicifolia f. pubescens H. Hara Synonym L TRO
Viola bezdelevae Vorosch. Unresolved L WCSP (in review)
Viola × bezdelevae Vl.V.Nikitin Unresolved L WCSP (in review)
Viola bhutanica H. Hara Synonym M TRO
Viola biacuta W.Becker Unresolved L WCSP (in review)
Viola bicolor Pursh Accepted M TRO
Viola bielziana Schur Synonym M WCSP (in review)
Viola biflora L. Accepted M WCSP (in review)
Viola biflora var. acuminata Maxim. Synonym L TRO
Viola biflora var. acutifolia Kar. & Kir. Synonym L TRO
Viola biflora subsp. biflora Synonym L TRO
Viola biflora var. biflora Synonym L TRO
Viola biflora subsp. carlottae Calder & Roy L.Taylor Accepted L WCSP (in review)
Viola biflora var. carlottae (Calder & Roy L.Taylor) B.Boivin Synonym L WCSP (in review)
Viola biflora var. ciliicalyx H. Boissieu Synonym L TRO
Viola biflora var. hirsuta W. Becker Synonym L TRO
Viola biflora var. nudicaulis W. Becker Synonym L TRO
Viola biflora var. platyphylla Franch. Synonym L TRO
Viola biflora var. rockiana (W. Becker) Y.S. Chen Accepted L TRO
Viola biflora var. sitchensis (Bong. ex Ledeb.) Regel Accepted L TRO
Viola biflora var. valdepilosa Hand.-Mazz. Synonym L TRO
Viola bilczensis Blocki Unresolved L WCSP (in review)
Viola billotiana F.W.Schultz ex Nyman Unresolved L WCSP (in review)
Viola billotii F.W.Schultz Unresolved L WCSP (in review)
Viola binayensis Okamoto & K.Ueda Unresolved L WCSP (in review)
Viola binchuanensis S.H. Huang Synonym M TRO
Viola bissellii House Accepted M TRO
Viola bissetii Maxim. Unresolved L WCSP (in review)
Viola biternata Greene Synonym M TRO
Viola biturigensis Boreau ex Déségl. Unresolved L WCSP (in review)
Viola blanda Willd. Accepted M TRO
Viola blanda var. macloskeyi (F.E. Lloyd) Jeps. Synonym L TRO
Viola blanda subsp. macloskeyi (F.E. Lloyd) A.E. Murray Synonym L TRO
Viola blandiformis Nakai Unresolved L WCSP (in review)
Viola blumii Korth. Unresolved L WCSP (in review)
Viola bocquetiana Yıld. Unresolved L WCSP (in review)
Viola × bohemica Beck Unresolved L WCSP (in review)
Viola boissieuana Makino Unresolved L WCSP (in review)
Viola boissieui H. Lév. & Maire Synonym M TRO
Viola bolivari Pau Unresolved L WCSP (in review)
Viola boliviana Britton Accepted M TRO
Viola boninensis Nakai Unresolved L WCSP (in review)
Viola bonnevillensis Cottam Synonym M TRO
Viola borbasii Gáyer Unresolved L WCSP (in review)
Viola borchersii Phil. Unresolved L WCSP (in review)
Viola borealis Weinm. Unresolved L WCSP (in review)
Viola bornmuelleri Erben Unresolved L TRO
Viola × borsodiensis Budai & Gáyer Unresolved L WCSP (in review)
Viola borussica W.Becker Unresolved L WCSP (in review)
Viola bosniaca Formánek Synonym L WCSP (in review)
Viola bourgaei Rouy Unresolved L WCSP (in review)
Viola brachyantha Stapf Unresolved L WCSP (in review)
Viola brachycentra Hayata Synonym M TRO
Viola brachyceras Turcz. Accepted M TRO
Viola brachypetala Gay Accepted M TRO
Viola brachyphylla W.Becker Accepted M WCSP (in review)
Viola brachysepala Maxim. Synonym M TRO
Viola brainerdii Greene Synonym M TRO
Viola brandisii W.Becker Unresolved L WCSP (in review)
Viola × brauniae Grover ex Cooperr. Accepted M TRO
Viola × braunii Grover Unresolved L WCSP (in review)
Viola × braunii Borbás Unresolved L WCSP (in review)
Viola brevicaulis Raeusch. Unresolved L WCSP (in review)
Viola × brevicornis Biau Unresolved L WCSP (in review)
Viola brevistipulata W.Becker Unresolved L WCSP (in review)
Viola bridgesii Britton Accepted M TRO
Viola brittoniana Pollard Synonym M TRO
Viola brockmanniana W.Becker Unresolved L WCSP (in review)
Viola brooksii Kellogg Unresolved L WCSP (in review)
Viola broussonetiana Schult. Unresolved L WCSP (in review)
Viola bruneauniana Bailly Unresolved L WCSP (in review)
Viola brunneostipulosa Hand.-Mazz. Synonym M TRO
Viola bubanii Timb.-Lagr. Accepted M WCSP (in review)
Viola bubanii subsp. trinitatis (Losa) M.Laínz Unresolved L WCSP (in review)
Viola buchaniana DC. ex D.Don Unresolved L WCSP (in review)
Viola buchtieniana W.Becker Unresolved L WCSP (in review)
Viola buchtienii Gand. Accepted M TRO
Viola bulbosa Maxim. Accepted M TRO
Viola bulbosa var. franchetii H. Boissieu Synonym L TRO
Viola bulbosa subsp. tuberifera (Franch.) W. Becker Synonym L TRO
Viola bulgarica W.Becker Unresolved L WCSP (in review)
Viola bungeana Rupr. Unresolved L WCSP (in review)
Viola burgersdijkii Oudem. Unresolved L WCSP (in review)
Viola × burnatii Gremli Unresolved L WCSP (in review)
Viola bustillosia Gay Accepted M TRO
Viola buxifolia (Vent.) Poir. Synonym M TRO
Viola cadevallii Pau Synonym M WCSP (in review)
Viola caesariensis House Accepted M TRO
Viola caespitosa Lange [Illegitimate] Synonym M WCSP (in review)
Viola caespitosa D. Don Synonym M TRO
Viola caflischii Woerl. Unresolved L WCSP (in review)
Viola calabra A.Huet ex Nyman Unresolved L WCSP (in review)
Viola calaminaria (Ging.) Lej. Synonym M WCSP (in review)
Viola calaminaria var. westfalica W.Ernst Synonym L WCSP (in review)
Viola calaminaria subsp. westfalica (W.Ernst) J.Heimans Synonym L WCSP (in review)
Viola calcarata L. Accepted M WCSP (in review)
Viola calcarata subsp. villarsiana (Schult.) Merxm. Accepted L WCSP (in review)
Viola calcarata subsp. zoysii (Wulfen) Merxm. Accepted L WCSP (in review)
Viola calcarea (Bab.) Greg. Unresolved L WCSP (in review)
Viola calceolaria L. Synonym M WCSP (in review)
Viola calchaquiensis W.Becker Unresolved L WCSP (in review)
Viola calderensis Becker Accepted M TRO
Viola caleyana G.Don Unresolved L WCSP (in review)
Viola californica Greene Unresolved L WCSP (in review)
Viola californica M.S.Baker Unresolved L WCSP (in review)
Viola callosa Benth. Synonym M TRO
Viola calthifolia Poir. Unresolved L WCSP (in review)
Viola calycina Boiss. & Heldr. Unresolved L WCSP (in review)
Viola cameleo H. Boissieu Accepted M TRO
Viola campestris M.Bieb. Unresolved L WCSP (in review)
Viola canadensis L. Accepted M WCSP (in review)
Viola canadensis var. canadensis Synonym L TRO
Viola canadensis var. neomexicana (Greene) House Synonym L TRO
Viola canadensis var. rugulosa (Greene) C.L. Hitchc. Accepted L TRO
Viola canadensis subsp. rydbergii (Greene) House Synonym L TRO
Viola canadensis var. scopulorum A. Gray Synonym L TRO
Viola canadensis subsp. scopulorum (A. Gray) House Accepted L TRO
Viola canadensis var. sitchensis Bong. ex Ledeb. Synonym L TRO
Viola canariensis Berthel. Unresolved L WCSP (in review)
Viola candidula Nieuwl. Unresolved L WCSP (in review)
Viola canescens Wall. Accepted M TRO
Viola canescens f. glabrescens W. Becker Synonym L TRO
Viola canescens subsp. lanuginosa W. Becker Synonym L TRO
Viola canina L. Accepted M WCSP (in review)
Viola canina var. acuminata (Ledeb.) Regel Synonym L TRO
Viola canina var. adunca (Sm.) A. Gray Synonym L TRO
Viola canina var. longipes (Nutt.) S. Watson Synonym L TRO
Viola canina var. montana (L.) Fr. Synonym L WCSP (in review)
Viola canina subsp. montana (L.) Hartm. Accepted L WCSP (in review)
Viola canina var. muhlenbergii (Torr.) A. Gray Accepted L TRO
Viola canina var. multicaulis (Torr. & A. Gray) A. Gray Accepted L TRO
Viola canina var. oxyceras S. Watson Synonym L TRO
Viola canina var. rupestris (F.W. Schmidt) Regel Synonym L TRO
Viola canina subsp. schultzii (Billot) Kirschl. Accepted L WCSP (in review)
Viola × caniniformis K.Richt. Unresolved L WCSP (in review)
Viola × canninefas Kloos Unresolved L WCSP (in review)
Viola canobarbata Leyb. Accepted M TRO
Viola cantiana Drabble Unresolved L WCSP (in review)
Viola capensis Thunb. Unresolved L WCSP (in review)
Viola capillaris Ging. Synonym M TRO
Viola capillaris var. dumetorum Reiche Unresolved L TRO
Viola cardaminefolia Greene Unresolved L WCSP (in review)
Viola × carinthiaca Borbás Unresolved L WCSP (in review)
Viola carlesii Nakai Unresolved L WCSP (in review)
Viola carnosula W. Becker Synonym M TRO
Viola carolina Greene Unresolved L WCSP (in review)
Viola × carpatica Borbás Unresolved L WCSP (in review)
Viola cascadensis M.S. Baker Accepted M TRO
Viola caspia (Rupr.) Freyn Unresolved L WCSP (in review)
Viola cassinensis Strobl Synonym M WCSP (in review)
Viola castillensis W.Becker Unresolved L WCSP (in review)
Viola castillonii (W. Becker) Xifreda & Sanson Accepted M TRO
Viola × catalonica W.Becker Synonym M WCSP (in review)
Viola caucasica Kolenati Unresolved L TRO
Viola caulescens Molina ex F.Phil. Unresolved L WCSP (in review)
Viola cavillieri W.Becker Unresolved L WCSP (in review)
Viola cazorlensis Gand. Accepted M WCSP (in review)
Viola × cebennensis Chatenier Unresolved L WCSP (in review)
Viola celebica W.Becker Unresolved L WCSP (in review)
Viola × celinae Sennen & Gonzalo Unresolved L WCSP (in review)
Viola celtica Sauze & Maillard ex Nyman Unresolved L WCSP (in review)
Viola cenisia L. Accepted M WCSP (in review)
Viola cenisia var. diversifolia DC. Synonym L WCSP (in review)
Viola cenisia subsp. lapeyrousiana Rouy & Foucaud Unresolved L WCSP (in review)
Viola centellifolia Greene Unresolved L WCSP (in review)
Viola centronum H.Perrier ex W.Becker Unresolved L WCSP (in review)
Viola cephalonica Bornm. Accepted M WCSP (in review)
Viola cerasifolia A. St.-Hil. Accepted M TRO
Viola × cestrica House Unresolved L WCSP (in review)
Viola cetia Beck ex Borbás Unresolved L WCSP (in review)
Viola chaerophylloides (Regel) W. Becker Accepted M TRO
Viola chaerophylloides var. chaerophylloides Synonym L TRO
Viola chaerophylloides var. sieboldiana (Maxim.) Makino Accepted L TRO
Viola chaerophylloides f. sieboldiana (Maxim.) F. Maek. Synonym L TRO
Viola chalcosperma Brainerd Synonym M TRO
Viola chamaedrifolia Ruiz & Pav. ex Ging. Unresolved L WCSP (in review)
Viola chamaedrys Leyb. Accepted M TRO
Viola chamissoniana Ging. Accepted M TRO
Viola champlainensis House Accepted M TRO
Viola changii J.S. Zhou & F.W. Xing Accepted M TRO
Viola charlestonensis M.S. Baker & J.C. Clausen Accepted M TRO
Viola chassanica Kork. Unresolved L WCSP (in review)
Viola cheelooi Jacot Guill. Unresolved L WCSP (in review)
Viola cheiranthifolia Humb. & Bonpl. Unresolved L WCSP (in review)
Viola chejuensis Y.N.Lee & Y.C.Oh Unresolved L WCSP (in review)
Viola chelmea Boiss. Accepted M WCSP (in review)
Viola chelmea subsp. vratnikensis Gáyer & Degen Accepted L WCSP (in review)
Viola × chenevardii W.Becker Unresolved L WCSP (in review)
Viola × chevalieri H.Lév. Unresolved L WCSP (in review)
Viola chiapasiensis W.Becker Unresolved L WCSP (in review)
Viola chillanensis Phil. Unresolved L WCSP (in review)
Viola chinensis G. Don Synonym M TRO
Viola chinensis f. alboviolacea Skvortsov Synonym L TRO
Viola chinensis f. anomala Skvortsov Synonym L TRO
Viola chinensis f. communis Skvortsov Synonym L TRO
Viola chinensis f. dissecta Skvortsov Synonym L TRO
Viola chinensis f. glabra Skvortsov Synonym L TRO
Viola chingiana W. Becker Synonym M TRO
Viola christii W.Wolf Unresolved L WCSP (in review)
Viola × chrysantha Schrad. ex Rchb. Unresolved L WCSP (in review)
Viola chrysantha Schrad. ex Rchb. Synonym M TRO
Viola chrysantha var. glaberrima Torr. Synonym L TRO
Viola ciliaris Willd. ex W.Becker Unresolved L WCSP (in review)
Viola ciliata Schltdl. Accepted M TRO
Viola cilicica Contandr. & Quézel Unresolved L WCSP (in review)
Viola ciliolata Schltr. Unresolved L TRO
Viola cinerascens A.Kern. Unresolved L WCSP (in review)
Viola cinerea Boiss. Accepted M TRO
Viola circaeoides Steud. Unresolved L WCSP (in review)
Viola clandestina Pursh Unresolved L WCSP (in review)
Viola clarkiae A. Nelson Synonym M TRO
Viola clauseniana M.S. Baker Accepted M TRO
Viola claytonioides Steud. Unresolved L WCSP (in review)
Viola cleistogamoides (L.G.Adams) Seppelt Unresolved L WCSP (in review)
Viola clementiana Boiss. Unresolved L WCSP (in review)
Viola cluniensis Murr & Pôll Unresolved L WCSP (in review)
Viola coccinea Pav. Unresolved L WCSP (in review)
Viola cochleata Coincy Unresolved L WCSP (in review)
Viola cochranei Ballard Accepted M TRO
Viola cognata Greene Accepted M TRO
Viola collina Besser Accepted M WCSP (in review)
Viola collina var. collina Synonym L TRO
Viola × colliniformis Murr Unresolved L WCSP (in review)
Viola colombiana W. Becker Synonym M TRO
Viola colubrina Wedd. ex W.Becker Unresolved L WCSP (in review)
Viola × columbiana House Unresolved L WCSP (in review)
Viola columnaris Skottsb. Accepted M TRO
Viola comberi W.Becker Unresolved L WCSP (in review)
Viola commersonii DC. Accepted M TRO
Viola communis Pollard Unresolved L WCSP (in review)
Viola commutata Waisb. Unresolved L WCSP (in review)
Viola comollia Messara Accepted M WCSP (in review)
Viola compacta Greene Unresolved L WCSP (in review)
Viola concolor T.F. Forst. Synonym M TRO
Viola concordifolia Ching J. Wang Synonym M TRO
Viola concordifolia var. hirtipedicellata Ching J. Wang Synonym L TRO
Viola conferta (W. Becker) Nakai Synonym M TRO
Viola confertifolia Chang Accepted M TRO
Viola confinis Jord. ex Nyman Unresolved L WCSP (in review)
Viola confusa Champ. ex Benth. Synonym M TRO
Viola confusa subsp. nagasakiensis (W. Becker) F. Maek. & Hashim. Synonym L TRO
Viola congener Leconte Unresolved L WCSP (in review)
Viola congesta Gillies ex Hook. & Arn. Unresolved L WCSP (in review)
Viola conilii Franch. & Sav. Unresolved L WCSP (in review)
Viola conjugens Greene Unresolved L WCSP (in review)
Viola consanguinea Schott Unresolved L WCSP (in review)
Viola consimilis Jord. Unresolved L WCSP (in review)
Viola consobrina House Accepted M TRO
Viola consocia House Accepted M TRO
Viola consona House Accepted M TRO
Viola × consorbrina House Unresolved L WCSP (in review)
Viola consors Greene Unresolved L WCSP (in review)
Viola conspersa Rchb. Accepted M WCSP (in review)
Viola conspersa f. conspersa Synonym L TRO
Viola conspersa var. masonii Farw. Synonym L TRO
Viola × contempta Jord. Accepted M WCSP (in review)
Viola conturbata House Accepted M TRO
Viola convicta House Accepted M TRO
Viola × cooperrideri H.E.Ballard Unresolved L WCSP (in review)
Viola × coquoziana W.Becker Unresolved L WCSP (in review)
Viola corallensis Phil. Unresolved L WCSP (in review)
Viola corchorifolia Dombey ex Ging. Synonym M TRO
Viola cordata Walter Synonym M TRO
Viola cordifolia Schweinitz Accepted M TRO
Viola cordulata Greene Synonym M TRO
Viola coreana Boissieu Unresolved L WCSP (in review)
Viola cornuta L. Accepted M WCSP (in review)
Viola coronifera W.Becker Unresolved L WCSP (in review)
Viola corralensis Phil. Accepted M TRO
Viola corsica Nyman Accepted M WCSP (in review)
Viola corsica subsp. ilvensis (W.Becker) Merxm. Accepted L WCSP (in review)
Viola corsica subsp. limbarae Merxm. & W.Lippert Unresolved L WCSP (in review)
Viola cotyledon Ging. Accepted M WCSP (in review)
Viola × cracoviensis Żmuda Unresolved L WCSP (in review)
Viola crassa Makino Unresolved L WCSP (in review)
Viola crassicalcarata Ching J. Wang Synonym M TRO
Viola crassicornis W. Becker & Hult. Synonym M TRO
Viola crassifolia Fenzl Unresolved L WCSP (in review)
Viola crassiuscula Bory Accepted M WCSP (in review)
Viola crassula Greene Unresolved L WCSP (in review)
Viola crenulata Greene Synonym M TRO
Viola cretacea Klokov Synonym M WCSP (in review)
Viola cretica Boiss. & Heldr. Synonym M WCSP (in review)
Viola crinita Wedd. ex W.Becker Unresolved L WCSP (in review)
Viola cryana Royer ex Gillot Synonym M WCSP (in review)
Viola cuatrecasasii L.B. Sm. & A. Fernández Accepted M TRO
Viola cucullata Aiton Synonym M WCSP (in review)
Viola cucullata var. alba Torr. & A. Gray Synonym L TRO
Viola cucullata var. cordata (Walter) A. Gray Unresolved L TRO
Viola cucullata var. leptosepala (Greene) W. Stone Unresolved L TRO
Viola cucullata var. macrotis (Greene) W. Stone Unresolved L TRO
Viola cucullata f. prionosepala (Greene) Brainerd Unresolved L TRO
Viola cucullata var. sororia (Willd.) Torr. & A. Gray Synonym L TRO
Viola cucullifolia Wender. Unresolved L WCSP (in review)
Viola cucullifolia Wender. ex Steud. Unresolved L WCSP (in review)
Viola cuicochensis Hieron. Accepted M TRO
Viola cumingii W. Becker Synonym M TRO
Viola cuneata S. Watson Accepted M TRO
Viola cunninghamii Hook.f. Unresolved L WCSP (in review)
Viola curicoensis Becker Accepted M TRO
Viola × curnowii Druce Unresolved L WCSP (in review)
Viola curtisii E.Forst. Synonym M WCSP (in review)
Viola curvicalcarata W.Becker & H.Boissieu Unresolved L WCSP (in review)
Viola curvistylis Boissieu ex Gagnep. Unresolved L WCSP (in review)
Viola cuspidata Greene Unresolved L WCSP (in review)
Viola cuspidifolia W. Becker Accepted M TRO
Viola cyanea Čelak. Unresolved L WCSP (in review)
Viola cyathiformis Becker,W. Accepted M TRO
Viola cyclophylla Greene Unresolved L WCSP (in review)
Viola cyclophylla Gand. Unresolved L WCSP (in review)
Viola cypria H.Lindb. Unresolved L WCSP (in review)
Viola czemalensis Zuev Unresolved L WCSP (in review)
Viola dacica Borbás Accepted M WCSP (in review)
Viola dactylifera Greene Unresolved L WCSP (in review)
Viola dactyloides Schult. Accepted M WCSP (in review)
Viola dactyloides var. multipartita W. Becker Synonym L TRO
Viola dageletiana Nakai Unresolved L WCSP (in review)
Viola dalatensis Gagnep. Unresolved L WCSP (in review)
Viola danubialis Borbás Unresolved L WCSP (in review)
Viola dasyneura Greene Unresolved L WCSP (in review)
Viola dasyphylla W.Becker Unresolved L WCSP (in review)
Viola davidii Franch. Accepted M TRO
Viola davidii var. paucicrenata W. Becker Synonym L TRO
Viola davisii House Accepted M TRO
Viola debilis Michx. Unresolved L WCSP (in review)
Viola debilis Pursh Unresolved L WCSP (in review)
Viola decipiens Reiche Accepted M TRO
Viola declinata Waldst. & Kit. Accepted M WCSP (in review)
Viola declinata var. prolixa Adamovic Synonym L WCSP (in review)
Viola decora Kellogg Unresolved L WCSP (in review)
Viola decora Formánek Unresolved L WCSP (in review)
Viola decumbens L.f. Accepted L TRO
Viola decumbens var. decumbens Synonym L TRO
Viola decumbens var. scrotiformis Jessop Accepted L TRO
Viola degener Schweigg. ex Mert. & W.D.J.Koch Unresolved L WCSP (in review)
Viola dehnhardtii Ten. Synonym M WCSP (in review)
Viola delavayi Franch. Accepted M TRO
Viola delavayi f. depauperata Diels Synonym L TRO
Viola delavayi var. villosa W. Becker Synonym L TRO
Viola delphinantha Boiss. Accepted M WCSP (in review)
Viola delphinantha subsp. kosaninii Degen Synonym L WCSP (in review)
Viola delphinensis Jord. Unresolved L WCSP (in review)
Viola delphiniifolia Nutt. Unresolved L TRO
Viola deltoidea Yatabe Synonym M TRO
Viola demetria Prolongo ex Boiss. Accepted M WCSP (in review)
Viola deminuta Schur Unresolved L WCSP (in review)
Viola demissa Greene Synonym M TRO
Viola denarieana Beauverd Unresolved L WCSP (in review)
Viola dentariifolia H. Boissieu Synonym M TRO
Viola dentata Pursh Unresolved L WCSP (in review)
Viola dentriculosa Pollard Unresolved L TRO
Viola derelicta Jord. Unresolved L WCSP (in review)
Viola deseglisei Jord. ex Boreau Unresolved L WCSP (in review)
Viola desertorum Greene Synonym M TRO
Viola × desetangsii Camus & Har. Unresolved L WCSP (in review)
Viola diamantiaca Nakai Accepted M TRO
Viola diamantiaca var. glabrior Kitag. Synonym L TRO
Viola diamantiaca f. glabrior (Kitag.) Kitag. Synonym L TRO
Viola diandra L. Unresolved L WCSP (in review)
Viola dichotoma Sessé & Moc. ex Ging. Synonym M TRO
Viola dichroa Boiss. Unresolved L WCSP (in review)
Viola dicksonii Greene Unresolved L WCSP (in review)
Viola diffusa Ging. Accepted M TRO
Viola diffusa var. brevibarbata Ching J. Wang Synonym L TRO
Viola diffusa var. brevisepala W. Becker Synonym L TRO
Viola diffusa var. diffusa Synonym L TRO
Viola diffusa var. glabella H. Boissieu Synonym L TRO
Viola diffusa var. glaberrima W. Becker Synonym L TRO
Viola diffusa subsp. tenuis (Benth.) W. Becker Synonym L TRO
Viola diffusa var. tomentosa W. Becker Synonym L TRO
Viola diffusoides Ching J. Wang Synonym M TRO
Viola × digenea Rouy & Foucaud Unresolved L WCSP (in review)
Viola digitata Pursh Unresolved L WCSP (in review)
Viola digitata Willd. ex Schult. Unresolved L WCSP (in review)
Viola dimissa House Accepted M TRO
Viola dimorphophylla Y.S. Chen & Q.E.Yang Accepted M TRO
Viola dioszegiana Borbás Unresolved L WCSP (in review)
Viola dirimliensis Blaxland Unresolved L WCSP (in review)
Viola dirphya Tiniakou Unresolved L WCSP (in review)
Viola discors House Accepted M TRO
Viola discurrens Greene Unresolved L WCSP (in review)
Viola disjuncta W.Becker Accepted M WCSP (in review)
Viola dissecta Ledeb. Accepted M WCSP (in review)
Viola dissecta var. albida (Palib.) Nakai Synonym L TRO
Viola dissecta var. chaerophylloides (Regel) Makino Synonym L TRO
Viola dissecta var. dissecta Synonym L TRO
Viola dissecta var. incisa (Turcz.) Y.S. Chen Synonym L TRO
Viola dissecta var. pubescens (Regel) Kitag. Synonym L TRO
Viola dissecta f. pubescens (Regel) Kitag. Synonym L TRO
Viola dissecta f. sieboldiana (Maxim.) Makino Synonym L TRO
Viola dissecta var. sieboldiana (Maxim.) Nakai Synonym L TRO
Viola dissecta var. takahashii Nakai Synonym L TRO
Viola dissena House Accepted M TRO
Viola dissita House Accepted M TRO
Viola distans Wall. Synonym M TRO
Viola diversifolia (DC.) W.Becker Accepted M WCSP (in review)
Viola doerfleri Degen Accepted M WCSP (in review)
Viola doii Taken. Unresolved L WCSP (in review)
Viola dolichocentra Botsch. Unresolved L WCSP (in review)
Viola dolichoceras Ching J. Wang Synonym M TRO
Viola dombeyana DC. Accepted M TRO
Viola domburgensis W.Becker Unresolved L WCSP (in review)
Viola domestica E.P.Bicknell Unresolved L WCSP (in review)
Viola domeykoana Gay Accepted M TRO
Viola domingensis Urb. Unresolved L WCSP (in review)
Viola donetzkiensis Klokov Unresolved L WCSP (in review)
Viola douglasii Steud. Accepted M TRO
Viola × dowelliana House Unresolved L WCSP (in review)
Viola dravica Murr Unresolved L WCSP (in review)
Viola drepanophora Greene Unresolved L WCSP (in review)
Viola drymeia Schur Unresolved L WCSP (in review)
Viola × dubia Wiesb. Unresolved L WCSP (in review)
Viola dubia E.H.L.Krause Unresolved L WCSP (in review)
Viola dubia Wall. Unresolved L WCSP (in review)
Viola dubyana Burnat ex Gremli Accepted M WCSP (in review)
Viola duclouxii W. Becker Accepted M TRO
Viola duffortii Fouill. Unresolved L WCSP (in review)
Viola × dukadjinica W.Becker & Košanin Accepted M WCSP (in review)
Viola dukadjinica W. Becker & Ko;absanin Unresolved L TRO
Viola dumetorum Phil. Synonym M TRO
Viola dumoulinii Groner Unresolved L WCSP (in review)
Viola durennei Petitm. Unresolved L WCSP (in review)
Viola duriprati R.E.Fr. Unresolved L WCSP (in review)
Viola dusenii W.Becker & Sam. Unresolved L WCSP (in review)
Viola dyris Maire Unresolved L WCSP (in review)
Viola eamesii House Accepted M TRO
Viola × eamsii House Unresolved L WCSP (in review)
Viola ebracteolata Fenzl Unresolved L WCSP (in review)
Viola eburnea Gerbault Unresolved L WCSP (in review)
Viola × eclipes H.E. Ballard Accepted M TRO
Viola ecuadorensis W. Becker Accepted M TRO
Viola edanoii W.Becker Unresolved L WCSP (in review)
Viola edulis Spach Unresolved L WCSP (in review)
Viola effusa W.Becker Unresolved L WCSP (in review)
Viola × egglestoniana House Unresolved L WCSP (in review)
Viola egglestonii Brainerd Synonym M TRO
Viola × egregia House Unresolved L WCSP (in review)
Viola × eichenfeldii Halácsy Unresolved L WCSP (in review)
Viola einseleana F.W.Schultz ex Nyman Unresolved L WCSP (in review)
Viola eizanensis (Makino) Makino Unresolved L WCSP (in review)
Viola × eizasieboldii Sugim. ex T.Shimizu Unresolved L WCSP (in review)
Viola × ekstroemiana W.Becker Unresolved L WCSP (in review)
Viola elata Gueldenst. Unresolved L WCSP (in review)
Viola elatior Fr. Accepted M WCSP (in review)
Viola elatior subsp. fordanii Soó Synonym L TRO
Viola elegantula Schott Accepted M WCSP (in review)
Viola eliasii Sennen & Pau Unresolved L WCSP (in review)
Viola elisabethae Klokov Synonym M WCSP (in review)
Viola elongata Poir. Unresolved L WCSP (in review)
Viola elongata A.Huet ex Nyman Unresolved L WCSP (in review)
Viola emarginata (Nutt.) Leconte Accepted M TRO
Viola emarginata var. emarginata Synonym L TRO
Viola emarginata var. subsinuata Greene Synonym L TRO
Viola emeiensis Ching J. Wang Synonym M TRO
Viola eminens K.R.Thiele & Prober Unresolved L WCSP (in review)
Viola eminii (Engl.) R.E. Fr. Accepted M TRO
Viola emirnensis Bojer Synonym M TRO
Viola encycla Greene Unresolved L WCSP (in review)
Viola enneasperma L. Synonym M WCSP (in review)
Viola epipsila Ledeb. Accepted M WCSP (in review)
Viola epipsila subsp. palustroides W.Becker Unresolved L WCSP (in review)
Viola epipsila var. repens W.Becker Synonym L WCSP (in review)
Viola epipsila subsp. repens W. Becker Synonym L TRO
Viola epipsiloides Á.Löve & D.Löve Accepted M WCSP (in review)
Viola epirota (Halácsy) Raus Unresolved L WCSP (in review)
Viola erecta H.M.Myers Unresolved L WCSP (in review)
Viola erecta Gilib. Unresolved L WCSP (in review)
Viola erecta Roth Unresolved L WCSP (in review)
Viola erectifolia A. Nelson Synonym M TRO
Viola ericetorum Schrad. ex Link Unresolved L WCSP (in review)
Viola eriksoniana W.Becker Unresolved L WCSP (in review)
Viola eriocarpa Schwein. Synonym M TRO
Viola ermenekensis Yıld. & Dinç Unresolved L WCSP (in review)
Viola erratica House Accepted M TRO
Viola erythraeae Chiov. Unresolved L WCSP (in review)
Viola escarapela J.M. Watson & A.R. Flores Accepted M TRO
Viola escondidaensis W.Becker Unresolved L WCSP (in review)
Viola esculenta Elliott Unresolved L WCSP (in review)
Viola esculenta Elliott ex Greene Unresolved L WCSP (in review)
Viola etbaica Schweinf. Unresolved L WCSP (in review)
Viola etrusca Erben Unresolved L WCSP (in review)
Viola euboea Halácsy Unresolved L TRO
Viola eucycla Greene Unresolved L WCSP (in review)
Viola eugeniae Parl. Accepted M WCSP (in review)
Viola eugeniae subsp. levieri (Parl.) A.F.W.Schmidt Accepted L WCSP (in review)
Viola eurybiifolia Greene Unresolved L WCSP (in review)
Viola evae Hieron. Accepted M TRO
Viola excelsa Humb. & Bonpl. ex Schult. Unresolved L WCSP (in review)
Viola × excerpta House Unresolved L WCSP (in review)
Viola excisa Hance Synonym M TRO
Viola exigua W. Becker Synonym M TRO
Viola exilis Phil. Synonym M TRO
Viola eximia Formánek Accepted M WCSP (in review)
Viola exsul J.M.Watson & A.R.Flores Unresolved L WCSP (in review)
Viola extremiorientalis Vorosch. & N.S.Pavlova Unresolved L WCSP (in review)
Viola falcata Greene Unresolved L WCSP (in review)
Viola falconeri Hook. f. & Thomson Accepted M TRO
Viola fallacissima Greene Unresolved L WCSP (in review)
Viola familiaris Greene Unresolved L WCSP (in review)
Viola fargesii H. Boissieu Accepted M TRO
Viola faurieana W. Becker Accepted M TRO
Viola favratii Hausskn. ex Favrat Unresolved L WCSP (in review)
Viola fedtschenkoana W. Becker Accepted M TRO
Viola fedtschenkoana var. fedtschenkoana Synonym L TRO
Viola fennica F.Nyl. Unresolved L WCSP (in review)
Viola fennica Stephan ex Nyman Unresolved L WCSP (in review)
Viola fernaldii House Accepted M TRO
Viola ferrariensis Campana ex Pio Unresolved L WCSP (in review)
Viola ferrarinii Moraldo & Ricceri Unresolved L WCSP (in review)
Viola festata House Accepted M TRO
Viola fibrillosa W.Becker Unresolved L WCSP (in review)
Viola filicaulis Hook.f. Unresolved L WCSP (in review)
Viola filicetorum Greene Accepted M TRO
Viola filifera Kom. Synonym M TRO
Viola filiformis Ruiz & Pav. ex Ging. Unresolved L WCSP (in review)
Viola filipes Greene Unresolved L WCSP (in review)
Viola fimbriata Steud. Unresolved L WCSP (in review)
Viola fimbriatula Sm. Synonym M TRO
Viola fimbriatula f. umbelliflora Fernald Synonym L TRO
Viola fischeri W.Becker Unresolved L WCSP (in review)
Viola fischeri Sweet Unresolved L WCSP (in review)
Viola fissifolia Kitag. Synonym M TRO
Viola flabellifolia Lodd. Unresolved L WCSP (in review)
Viola flaccida Makino Unresolved L WCSP (in review)
Viola flagelliformis Hemsl. Accepted M TRO
Viola flahaultiana Sennen Unresolved L WCSP (in review)
Viola flavicans Wedd. Accepted M TRO
Viola flavicornis E.Forst. ex Nyman Unresolved L WCSP (in review)
Viola flavicornis Sm. Unresolved L WCSP (in review)
Viola flavida Bureau & Franch. Synonym M TRO
Viola flaviflora Nakai Unresolved L WCSP (in review)
Viola flavovirens Pollard Synonym M TRO
Viola fletcheri Greene Unresolved L WCSP (in review)
Viola flettii Piper Accepted M TRO
Viola flexuosa Moretti ex Schult. Unresolved L WCSP (in review)
Viola florariensis Karrer Unresolved L WCSP (in review)
Viola floribunda Jord. Unresolved L WCSP (in review)
Viola floridana Brainerd Accepted M TRO
Viola flos-idae Hieron. Unresolved L WCSP (in review)
Viola flos-mariae Hieron. Unresolved L WCSP (in review)
Viola fluehmannii Phil. Accepted M TRO
Viola foliosa Čelak. Unresolved L WCSP (in review)
Viola fontana Greene Unresolved L WCSP (in review)
Viola formosa Vuk. Unresolved L WCSP (in review)
Viola formosana Hayata Accepted M TRO
Viola formosana var. formosana Synonym L TRO
Viola formosana var. kawakamii (Hayata) Y.S. Chen & Q.E.Yang Accepted L TRO
Viola formosana var. stenopetala (Hayata) J.C. Wang, T.C. Huang & T. Hashim. Synonym L TRO
Viola formosana var. tozanensis (Hayata) C.F. Hsieh Synonym L TRO
Viola forrestiana W. Becker Accepted M TRO
Viola forskaalii Greuter Unresolved L WCSP (in review)
Viola foucaudii Sav. Unresolved L WCSP (in review)
Viola foucaudii A.Sav. Unresolved L WCSP (in review)
Viola foudrasii Jord. Unresolved L WCSP (in review)
Viola fragrans Sieber Accepted M WCSP (in review)
Viola franchetii H.Boissieu Unresolved L WCSP (in review)
Viola frank-smithii N.H. Holmgren Accepted M TRO
Viola fraterna Hegetschw. Unresolved L WCSP (in review)
Viola friderici Becker Accepted M TRO
Viola frigida Phil. Accepted M TRO
Viola frigida var. borchersii Reiche Synonym L TRO
Viola frigida var. frigida Synonym L TRO
Viola frondosa (Velen.) Velen. Accepted M WCSP (in review)
Viola frutescens Ruiz & Pav. ex Ging. Unresolved L WCSP (in review)
Viola frutescens Roth Unresolved L WCSP (in review)
Viola fruticans Bubani Unresolved L WCSP (in review)
Viola fruticosa W.Becker Unresolved L WCSP (in review)
Viola × fryeri Druce Unresolved L WCSP (in review)
Viola × fujisanensis S.Watan. Unresolved L WCSP (in review)
Viola fukienensis W. Becker Synonym M TRO
Viola fulcrata Greene Unresolved L WCSP (in review)
Viola × funesta K.Richt. Unresolved L WCSP (in review)
Viola funghuangensis P.Y. Fu & Y.C. Teng Synonym M TRO
Viola fuscifolia W. Becker Accepted M TRO
Viola fuscoviolacea (L.G.Adams) T.A.James Unresolved L WCSP (in review)
Viola fusiformis Sm. Synonym M TRO
Viola galacifolia Greene Unresolved L WCSP (in review)
Viola galeanaensis M.S. Baker Accepted M TRO
Viola ganchouenensis W. Becker Synonym M TRO
Viola ganderi Hausm. ex Nyman Unresolved L WCSP (in review)
Viola × ganeschinii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola garganica Strobl Unresolved L WCSP (in review)
Viola geminiflora Greene Synonym M TRO
Viola genevensis Chenev. Unresolved L WCSP (in review)
Viola germainii Sparre Accepted M TRO
Viola × gerstlaueri L.Gross Unresolved L WCSP (in review)
Viola × gerstlaueri Gross Unresolved L WCSP (in review)
Viola glabella Nutt. Accepted M TRO
Viola glaberrima C. Serg. Synonym M TRO
Viola glaberrima (Ging.) House Accepted M TRO
Viola × glabrescens (Neuman) Tzvelev Unresolved L WCSP (in review)
Viola glacialis Poepp. & Endl. Accepted M TRO
Viola glandularis H.E. Ballard & P. Jørg. Accepted M TRO
Viola glandulifera Wall. Unresolved L WCSP (in review)
Viola glandulifera Hook. Unresolved L WCSP (in review)
Viola glandulosa Dombey ex Ging. [Invalid] Synonym M WCSP (in review)
Viola glauca M.Bieb. Unresolved L WCSP (in review)
Viola glaucescens Oudem. Unresolved L WCSP (in review)
Viola glechomoides Leyb. Accepted M TRO
Viola × gloggnitzensis K.Richt. Unresolved L WCSP (in review)
Viola glutinosa Poir. Unresolved L WCSP (in review)
Viola gmeliniana Roem. & Schult. Accepted M TRO
Viola gmeliniana var. albiflora W. Becker Synonym L TRO
Viola gmeliniana var. glabra Ledeb. Synonym L TRO
Viola gmeliniana var. hispida Ledeb. Synonym L TRO
Viola × godlewskii Żmuda Unresolved L WCSP (in review)
Viola godoyae Phil. Accepted M TRO
Viola gomphopetala Greene Synonym M TRO
Viola gonzalii Sennen Unresolved L WCSP (in review)
Viola gostivariensis Bornm. Unresolved L TRO
Viola × gotlandica W.Becker Unresolved L WCSP (in review)
Viola gracilescens Jord. Unresolved L WCSP (in review)
Viola gracilis Sm. Accepted M WCSP (in review)
Viola gracilis subsp. cryana P.Fourn. Synonym L WCSP (in review)
Viola × gracillima Chatenier Unresolved L WCSP (in review)
Viola gracillima A. St.-Hil. Accepted M TRO
Viola graeca (W.Becker) Halácsy [Unplaced] Unresolved L WCSP (in review)
Viola grahamii Benth. Accepted M TRO
Viola granatensis Huter Unresolved L WCSP (in review)
Viola grandidentata Kalela Unresolved L WCSP (in review)
Viola grandiflora Griseb. Unresolved L WCSP (in review)
Viola grandiflora L. Unresolved L WCSP (in review)
Viola grandiflora Vest Unresolved L WCSP (in review)
Viola grandifolia Wall. Unresolved L WCSP (in review)
Viola grandis Greene Unresolved L WCSP (in review)
Viola grandisepala W. Becker Accepted M TRO
Viola × granitica Chatenier Unresolved L WCSP (in review)
Viola granulosa Wedd. Accepted M TRO
Viola grayi Franch. & Sav. Unresolved L WCSP (in review)
Viola grayi var. candida H. Boissieu Synonym L TRO
Viola greatrexii Nakai & F.Maek. Unresolved L WCSP (in review)
Viola × greenei House Accepted M TRO
Viola greenmanii House Accepted M TRO
Viola × gregoriae Druce Unresolved L WCSP (in review)
Viola × gremblichii Murr Unresolved L WCSP (in review)
Viola griffithiana Boiss. Unresolved L WCSP (in review)
Viola grisebachiana Vis. Accepted M WCSP (in review)
Viola gronovii Willd. ex Schult. Unresolved L WCSP (in review)
Viola × grubovii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola grypoceras A. Gray Accepted M TRO
Viola grypoceras var. barbata W. Becker Synonym L TRO
Viola grypoceras var. pubescens Nakai Synonym L TRO
Viola guadalupensis A.M.Powell & Wauer Unresolved L WCSP (in review)
Viola guangzhouensis A.Q.Dong, J.S.Zhou & F.W.Xing Unresolved L WCSP (in review)
Viola guatemalensis W.Becker Accepted M WCSP (in review)
Viola guestphalica Nauenb. Synonym M WCSP (in review)
Viola guffroyi Rouy Unresolved L WCSP (in review)
Viola guineensis Schumach. & Thonn. Synonym M TRO
Viola × guitteanae Giraudias Unresolved L WCSP (in review)
Viola gymnocarpa Janka Unresolved L WCSP (in review)
Viola hakonensis Nakai Unresolved L WCSP (in review)
Viola × halacsyana Degen & Dörfl. Unresolved L WCSP (in review)
Viola × hallieri Borbás Unresolved L WCSP (in review)
Viola hallii A. Gray Accepted M TRO
Viola hamiltoniana D. Don Accepted M TRO
Viola hancockii W. Becker Accepted M TRO
Viola hancockii var. fangshanensis J.W. Wang Synonym L TRO
Viola harae Miyabe & Tatew. Unresolved L WCSP (in review)
Viola hastata Michx. Accepted M TRO
Viola hastata var. glaberrima Ging. Synonym L TRO
Viola hawaiiensis H.St.John Unresolved L WCSP (in review)
Viola hebecarpa Schur Unresolved L WCSP (in review)
Viola hebeiensis J.W. Wang & T.G. Ma Synonym M TRO
Viola hederacea Labill. Accepted M TRO
Viola hederacea subsp. cleistogamoides L.G.Adams Unresolved L WCSP (in review)
Viola hederacea subsp. fuscoviolacea L.G.Adams Unresolved L WCSP (in review)
Viola hediniana W. Becker Accepted M TRO
Viola heldreichiana Boiss. Accepted M WCSP (in review)
Viola helenae C.N. Forbes & Lydgate Accepted M TRO
Viola helioscopia Hillebr. Unresolved L WCSP (in review)
Viola helleriana W.Becker Unresolved L WCSP (in review)
Viola × helvetica Brügger Unresolved L WCSP (in review)
Viola hemsleyana Calderón Accepted M TRO
Viola henryi H. Boissieu Accepted M TRO
Viola henryi var. cameleo (H. Boissieu) Chang Synonym L TRO
Viola herbivaga Ridl. Unresolved L WCSP (in review)
Viola herminii Rothm. Unresolved L WCSP (in review)
Viola herzogii Bornm. Unresolved L TRO
Viola × heslopii Druce Unresolved L WCSP (in review)
Viola × heterantha Caball. Unresolved L WCSP (in review)
Viola heterophylla Bertol. [Illegitimate] Synonym M WCSP (in review)
Viola heterophylla subsp. graeca (W.Becker) W.Becker Synonym L WCSP (in review)
Viola heterophylla var. graeca W.Becker Synonym L WCSP (in review)
Viola heterophylla subsp. ilvensis W.Becker Synonym L WCSP (in review)
Viola heterophylla var. messanensis W.Becker Synonym L WCSP (in review)
Viola heterophylla subsp. messanensis (W.Becker) W.Becker Synonym L WCSP (in review)
Viola heterosepala Boiss. & Heldr. Unresolved L WCSP (in review)
Viola hichitoana Nakai Unresolved L WCSP (in review)
Viola hidakana Nakai Unresolved L WCSP (in review)
Viola hideoi Nakai Unresolved L WCSP (in review)
Viola hieronymi W.Becker Unresolved L WCSP (in review)
Viola hillii W. Becker Accepted M TRO
Viola himalayensis W.Becker Unresolved L WCSP (in review)
Viola hirsuta Crantz Unresolved L WCSP (in review)
Viola hirsutula Brainerd Accepted M TRO
Viola hirta L. Accepted M WCSP (in review)
Viola hirta subsp. brevifimbriata W. Beck Synonym L TRO
Viola hirta var. calcarea Bab. Unresolved L WCSP (in review)
Viola hirta subsp. calcarea (Bab.) E.F.Warb. Unresolved L WCSP (in review)
Viola hirta var. collina (Besser) Regel Synonym L WCSP (in review)
Viola hirta var. japonica Maxim. Synonym L TRO
Viola × hirtiformis Wiesb. Unresolved L WCSP (in review)
Viola hirtipedoides W.Becker Unresolved L WCSP (in review)
Viola hirtipes S. Moore Accepted M TRO
Viola hirtoalba Gren. & Godr. Unresolved L WCSP (in review)
Viola hispida Lapeyr. [Illegitimate] Synonym M WCSP (in review)
Viola hispida Lam. Accepted M WCSP (in review)
Viola hispida subsp. cryana (Royer ex Gillot) P.Fourn. Synonym L WCSP (in review)
Viola hispida subsp. rothomagensis (Desf.) P.Fourn. Synonym L WCSP (in review)
Viola hissarica Juz. Accepted M WCSP (in review)
Viola × hiyamae Maek. Unresolved L WCSP (in review)
Viola hladnikii Rchb. ex Nyman Unresolved L WCSP (in review)
Viola hollickii House Accepted M TRO
Viola × holmiana House Unresolved L WCSP (in review)
Viola × holsatica E.H.L.Krause Unresolved L WCSP (in review)
Viola holubyi Schur Unresolved L WCSP (in review)
Viola hondoensis W. Becker & H. Boissieu Accepted M TRO
Viola hookeri Franch. Unresolved L WCSP (in review)
Viola hookeri Thomson ex Hook.f. Unresolved L WCSP (in review)
Viola hookeriana Kunth Accepted M TRO
Viola hookeriana f. pubescentior W. Becker Synonym L TRO
Viola hornemanniana Schult. Unresolved L WCSP (in review)
Viola hortensis Rouy & Foucaud Unresolved L WCSP (in review)
Viola hortensis Schur Unresolved L WCSP (in review)
Viola × hortorum Thorsrud & Reisaeter Unresolved L WCSP (in review)
Viola hosakae H.St.John Unresolved L WCSP (in review)
Viola hosoii Nakai Unresolved L WCSP (in review)
Viola hossei W. Becker Synonym M TRO
Viola howellii A.Gray Accepted M WCSP (in review)
Viola hsinganensis Taken. Synonym M TRO
Viola huanucoensis W. Becker Synonym M TRO
Viola huesoensis Martic. Accepted M TRO
Viola huidobrii Gay Accepted M TRO
Viola hultenii W.Becker Unresolved L WCSP (in review)
Viola humboldtii Triana & Planch. Synonym M TRO
Viola humifusa Vuk. Unresolved L WCSP (in review)
Viola humilis Kunth Accepted M TRO
Viola humillima Sennen Unresolved L WCSP (in review)
Viola hunanensis Hand.-Mazz. Synonym M TRO
Viola × hungarica Degen & Sabr. Unresolved L WCSP (in review)
Viola hupeiana W. Becker Synonym M TRO
Viola huronensis Greene Unresolved L WCSP (in review)
Viola hybanthus Aubl. Synonym M WCSP (in review)
Viola hybrida Wiesb. Unresolved L WCSP (in review)
Viola hybrida Krock. Unresolved L WCSP (in review)
Viola hybrida Wulfen ex Schult. Unresolved L WCSP (in review)
Viola hybrida Schur Unresolved L WCSP (in review)
Viola hydrocotyloides J.B.Armstr. Unresolved L WCSP (in review)
Viola hymettia Boiss. & Heldr. Accepted M WCSP (in review)
Viola × hyperborea (Rupr.) Vl.V.Nikitin Unresolved L WCSP (in review)
Viola hypoleuca Hayata Synonym M TRO
Viola × hyrcanica Vl.V.Nikitin Unresolved L WCSP (in review)
Viola ibukiana Makino Unresolved L WCSP (in review)
Viola idaea Gand. Unresolved L WCSP (in review)
Viola ignobilis Rupr. Accepted M WCSP (in review)
Viola × igoschinae Vl.V.Nikitin Unresolved L WCSP (in review)
Viola ikedaeana W.Becker ex Taken. Unresolved L WCSP (in review)
Viola illinoensis Greene Unresolved L WCSP (in review)
Viola imberbis Ledeb. Unresolved L WCSP (in review)
Viola impatiens H. Lév. Synonym M TRO
Viola improcera L.G.Adams Unresolved L WCSP (in review)
Viola improvisa Vl.V.Nikitin Unresolved L WCSP (in review)
Viola inamoena Greene Unresolved L WCSP (in review)
Viola incisa Turcz. Accepted M WCSP (in review)
Viola incisa var. acuminata Franch. & Sav. Synonym L TRO
Viola × incissecta Vl.V.Nikitin Unresolved L WCSP (in review)
Viola incognita Brainerd Accepted M WCSP (in review)
Viola incognita var. incognita Synonym L TRO
Viola incomparabilis Schur Unresolved L WCSP (in review)
Viola incompta Jord. Unresolved L WCSP (in review)
Viola inconspicua Blume Accepted M TRO
Viola inconspicua subsp. dielsiana W. Becker Synonym L TRO
Viola indica W.Becker Unresolved L WCSP (in review)
Viola indivisa Greene Unresolved L WCSP (in review)
Viola induta Greene Unresolved L WCSP (in review)
Viola ingrica M.Bieb. ex Rupr. Unresolved L WCSP (in review)
Viola inodora Andrz. Unresolved L WCSP (in review)
Viola inodora Gilib. Unresolved L WCSP (in review)
Viola inornata Greene Unresolved L WCSP (in review)
Viola insessa House Accepted M TRO
Viola × insidiosa Rouy & Foucaud Unresolved L WCSP (in review)
Viola × insignis K.Richt. Unresolved L WCSP (in review)
Viola insignis Pollard Unresolved L WCSP (in review)
Viola insolita House Accepted M TRO
Viola insularis Nakai Unresolved L WCSP (in review)
Viola insularis Gren. & Godr. Unresolved L WCSP (in review)
Viola integerrima Phil. Synonym M TRO
Viola integrifolius Dulac Unresolved L WCSP (in review)
Viola interjecta Borbás Unresolved L WCSP (in review)
Viola intermedia Lej. Unresolved L WCSP (in review)
Viola intermedia Krock. Unresolved L WCSP (in review)
Viola × interposita Kitag. Synonym M TRO
Viola intertexta Beck Unresolved L WCSP (in review)
Viola intricata Arv.-Touv. Unresolved L WCSP (in review)
Viola ipecacuanha L. Synonym M WCSP (in review)
Viola ircutiana Turcz. Accepted M TRO
Viola irinae Zolot. Unresolved L WCSP (in review)
Viola isaurica Contandr. & Quézel Unresolved L WCSP (in review)
Viola × iselensis W.Becker Unresolved L WCSP (in review)
Viola ishidoyana Nakai Unresolved L WCSP (in review)
Viola isopetala Juz. Synonym M TRO
Viola italica Voigt ex Bailly Unresolved L WCSP (in review)
Viola itoubou Aubl. Unresolved L WCSP (in review)
Viola ivonis Erben Unresolved L WCSP (in review)
Viola iwagawae Makino Unresolved L WCSP (in review)
Viola iwagawai Makino Unresolved L TRO
Viola × jaborneggii Khek ex Pacher Unresolved L WCSP (in review)
Viola jaccardii W.Becker Unresolved L WCSP (in review)
Viola jacquiniana Steud. Unresolved L WCSP (in review)
Viola × jagellonica Zapał. Synonym M WCSP (in review)
Viola jagellonica Zapal. Unresolved L TRO
Viola jalapaensis W. Becker Accepted M TRO
Viola jangiensis W.Becker Unresolved L WCSP (in review)
Viola japonica Langsd. ex DC. Accepted M TRO
Viola japonica var. stenopetala Franch. ex H. Boissieu Synonym L TRO
Viola jaubertiana Marès & Vigin. Accepted M WCSP (in review)
Viola javanica W.Becker Unresolved L WCSP (in review)
Viola jeniseensis Zuev Unresolved L WCSP (in review)
Viola jettmari Hand.-Mazz. Unresolved L TRO
Viola × jettmarii Hand.-Mazz. Synonym M TRO
Viola jizushanensis S.H. Huang Synonym M TRO
Viola × joannis-wagneri Kárpáti Unresolved L WCSP (in review)
Viola joergensenii W. Becker Accepted M TRO
Viola johnstonii Becker Accepted M TRO
Viola jooi Janka Accepted M WCSP (in review)
Viola jordanii Hanry Accepted M WCSP (in review)
Viola jordanii var. falconeri (Hook. f. & Thomson) W. Becker Synonym L TRO
Viola jucunda Jord. Unresolved L WCSP (in review)
Viola jugalis Ridl. Unresolved L WCSP (in review)
Viola × juliae Brügger Unresolved L WCSP (in review)
Viola juressi Link ex Cout. Synonym M WCSP (in review)
Viola × juzepczukii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola kalbreyeri W.Becker Unresolved L WCSP (in review)
Viola × kalksburgensis Wiesb. Unresolved L WCSP (in review)
Viola kamibayashii Nakai Unresolved L WCSP (in review)
Viola kamtschadalorum W. Becker & Hult. Synonym M TRO
Viola kamtschatica Ging. Unresolved L WCSP (in review)
Viola kamtschatica var. pekinensis Regel Synonym L TRO
Viola kanoi Sasaki Synonym M TRO
Viola kansuensis W. Becker Synonym M TRO
Viola kansuensis var. oblonga W. Becker Synonym L TRO
Viola kapsanensis Nakai Unresolved L WCSP (in review)
Viola karakalensis Klokov Unresolved L WCSP (in review)
Viola × karakulensis Vl.V.Nikitin & O.Baranova Unresolved L WCSP (in review)
Viola karlreicheana Sanso, M.Seo & Xifreda Unresolved L WCSP (in review)
Viola kashmiriana W. Becker Accepted M TRO
Viola kauaensis A. Gray Accepted M TRO
Viola kauensis A.Gray Unresolved L WCSP (in review)
Viola kawakamii Hayata Synonym M TRO
Viola kawakamii var. stenopetala Hayata Synonym L TRO
Viola keiskei Miq. Unresolved L WCSP (in review)
Viola keiskei f. hirsutior W. Becker Synonym L TRO
Viola kelleri W.Becker Unresolved L WCSP (in review)
Viola kelloggii A.Nelson Unresolved L WCSP (in review)
Viola kermesina W. Becker Accepted M TRO
Viola × kerneri Wiesb. Unresolved L WCSP (in review)
Viola kiangsiensis W. Becker Synonym M TRO
Viola kiliensis Prahl Unresolved L WCSP (in review)
Viola kishidae Nakai Unresolved L WCSP (in review)
Viola kisoana Nakai Unresolved L WCSP (in review)
Viola kitaibeliana Schult. Accepted M WCSP (in review)
Viola kitaibeliana f. cryana (Royer ex Gillot) Rouy & Foucaud Synonym L WCSP (in review)
Viola kitaibeliana var. rafinesquei (Greene) Fernald Synonym L TRO
Viola kitaibeliana subsp. rothomagensis (Desf.) Rouy & Foucaud Synonym L WCSP (in review)
Viola kitamiana Nakai Unresolved L WCSP (in review)
Viola kiusiana Makino Synonym M TRO
Viola kizildaghensis Dinç & Yıld. Unresolved L WCSP (in review)
Viola kjellhergii Melch. Unresolved L WCSP (in review)
Viola × klopotovii W.Becker Unresolved L WCSP (in review)
Viola klossii Ridl. Unresolved L WCSP (in review)
Viola kochii Kirschl. Unresolved L WCSP (in review)
Viola × koehleri W.Becker Unresolved L WCSP (in review)
Viola kohalana (Rock) H.St.John Unresolved L WCSP (in review)
Viola komarovii W. Becker Synonym M TRO
Viola korahinskyi Juz. Unresolved L WCSP (in review)
Viola koraiensis Nakai Synonym M TRO
Viola korinchensis Ridl. Unresolved L WCSP (in review)
Viola koritnicensis Trinajstić Unresolved L WCSP (in review)
Viola kosanensis Hayata Accepted M TRO
Viola kosaninii (Degen) Hayek Accepted M WCSP (in review)
Viola kotschyana W.Becker Unresolved L WCSP (in review)
Viola kozo-poljanskii Grosset Unresolved L WCSP (in review)
Viola × kozo-poljanskii Grosset. Unresolved L TRO
Viola × krascheninnikoviorum Vl.V.Nikitin Unresolved L WCSP (in review)
Viola krokeri J.F.Gmel. Unresolved L WCSP (in review)
Viola kronenburgii W.Becker Unresolved L WCSP (in review)
Viola krugiana W.Becker Unresolved L WCSP (in review)
Viola kunawarensis var. angustifolia W. Becker Synonym L TRO
Viola kunawarensis f. longifolia Ching J. Wang Synonym L TRO
Viola kunawurensis Royle Accepted M TRO
Viola kupcokiana W.Becker Unresolved L WCSP (in review)
Viola kupfferi Klokov Unresolved L TRO
Viola kupfferiana W.Becker Unresolved L WCSP (in review)
Viola kupffieri Klokov Unresolved L WCSP (in review)
Viola kurilensis Nakai Unresolved L WCSP (in review)
Viola kusanoana Makino Accepted M TRO
Viola kusnezowiana W.Becker Unresolved L WCSP (in review)
Viola kutzingiana Rouy & Foucaud Unresolved L WCSP (in review)
Viola kwangtungensis Melch. Accepted M TRO
Viola labiosa Sm. Unresolved L WCSP (in review)
Viola labradorica Schrank Accepted M TRO
Viola lacaitaeana W.Becker Unresolved L WCSP (in review)
Viola laciniata (Boissieu) Koidz. Unresolved L WCSP (in review)
Viola laciniosa A.Gray Unresolved L WCSP (in review)
Viola × lacmonica Hausskn. Unresolved L WCSP (in review)
Viola lactea Sm. Accepted M WCSP (in review)
Viola lactiflora Nakai Accepted M TRO
Viola laetecaerulea Greene Unresolved L WCSP (in review)
Viola lagaipensis D.M.Moore Unresolved L WCSP (in review)
Viola lainzii P.Monts. Unresolved L WCSP (in review)
Viola × lambertii H.Lév. Unresolved L WCSP (in review)
Viola lamiifolia Pritz. Unresolved L WCSP (in review)
Viola lanaiensis W.Becker Unresolved L WCSP (in review)
Viola lancea Poir. Unresolved L WCSP (in review)
Viola lanceifolia Schumach. & Thonn. Unresolved L WCSP (in review)
Viola lanceolata L. Accepted M WCSP (in review)
Viola lanceolata var. lanceolata Synonym L TRO
Viola lanceolata subsp. lanceolata Synonym L TRO
Viola lancifolia M.Bieb. Unresolved L WCSP (in review)
Viola lancifolia Besser Unresolved L WCSP (in review)
Viola lancifolia Thore Unresolved L WCSP (in review)
Viola × lanciformis Rouy & Foucaud Unresolved L WCSP (in review)
Viola langeana Valentine Accepted M WCSP (in review)
Viola langloisii Greene Accepted M TRO
Viola langsdorffii Fisch. ex Ging. Accepted M TRO
Viola lanifera Becker Accepted M TRO
Viola lapeyrousiana (Rouy & Foucaud) A.W.Hill Unresolved L WCSP (in review)
Viola largsdorflii Fisch. ex Ging. Unresolved L WCSP (in review)
Viola laricicola Marcussen Unresolved L WCSP (in review)
Viola lasiostipes Nakai Synonym M TRO
Viola latifolia Drabble Unresolved L WCSP (in review)
Viola latisepala Wettst. Unresolved L WCSP (in review)
Viola latistipula Hemsl. Unresolved L WCSP (in review)
Viola latiuscula Greene Accepted M TRO
Viola laurifolia Sm. Unresolved L WCSP (in review)
Viola lauzuricae Marcet Unresolved L WCSP (in review)
Viola lavandulacea E.P.Bicknell Unresolved L WCSP (in review)
Viola lavrenkoana Klokov Accepted M WCSP (in review)
Viola lechleri Griseb. Unresolved L WCSP (in review)
Viola lecomteana W.Becker ex Gagnep. Unresolved L WCSP (in review)
Viola leconteana G.Don Unresolved L WCSP (in review)
Viola lehmannii W. Becker ex H.E. Ballard & P. Jørg. Accepted M TRO
Viola lehmannii subsp. cordifolia W. Becker Synonym L TRO
Viola lehmannii subsp. ovalifolia W. Becker Synonym L TRO
Viola lejeunii Jord. Unresolved L WCSP (in review)
Viola lepida Jord. Unresolved L WCSP (in review)
Viola lepidia Jord. Unresolved L TRO
Viola leptoceras Schur Unresolved L WCSP (in review)
Viola leptosepala Greene Synonym M TRO
Viola leptostolona Pôll Unresolved L WCSP (in review)
Viola lesbiaca Candargy Unresolved L WCSP (in review)
Viola leucantha Schur Unresolved L WCSP (in review)
Viola leucocentra Pinkw. Unresolved L WCSP (in review)
Viola leucoceras Borbás ex Murr Unresolved L WCSP (in review)
Viola leucopetala Murr & Pôll Unresolved L WCSP (in review)
Viola leunisii Borbás Unresolved L WCSP (in review)
Viola leveillei H. Boissieu Synonym M TRO
Viola levieri Parl. Synonym M WCSP (in review)
Viola lewisiana Ging. Unresolved L WCSP (in review)
Viola leyboldiana Phil. Accepted M TRO
Viola lianhuashanensis Ching J. Wang & K. Sun Synonym M TRO
Viola liaosiensis P.Y. Fu & Y.C. Teng Synonym M TRO
Viola libanotica Boiss. Unresolved L WCSP (in review)
Viola ligustina Dalla Torre & Sarnth. Unresolved L WCSP (in review)
Viola × lii Kitag. Synonym M TRO
Viola lilascens Heldr. ex Boiss. Unresolved L WCSP (in review)
Viola lilloana W.Becker Unresolved L WCSP (in review)
Viola limbarae (Merxm. & W.Lippert) Arrigoni Unresolved L WCSP (in review)
Viola limprichtiana W. Becker Synonym M TRO
Viola linariifolia Vahl Unresolved L WCSP (in review)
Viola lindeniana Turcz. Synonym M TRO
Viola linearifolia Vahl Synonym M TRO
Viola lineariifolia Poir. Unresolved L WCSP (in review)
Viola lineata Ortega Unresolved L WCSP (in review)
Viola linguifolia Nutt. Synonym M TRO
Viola linifolia Poir. Synonym M TRO
Viola lithion N.H. Holmgren & P.K. Holmgren Accepted M TRO
Viola litoralis Spreng. Synonym M WCSP (in review)
Viola livida Kit. ex Schult. Unresolved L WCSP (in review)
Viola livonica Vl.V.Nikitin Unresolved L WCSP (in review)
Viola lloydii Jord. ex Boreau Unresolved L WCSP (in review)
Viola llullaillacoensis W. Becker Accepted M TRO
Viola lobata Benth. Accepted M TRO
Viola lobata var. lobata Synonym L TRO
Viola lobata subsp. lobata Synonym L TRO
Viola lobata var. psychodes (Greene) J.T. Howell Accepted L TRO
Viola loefflingiana Steud. Unresolved L WCSP (in review)
Viola longicaulis Krock. Unresolved L WCSP (in review)
Viola longifolia Lázaro Iberia Unresolved L WCSP (in review)
Viola longifolia R.Br. ex Ging. Unresolved L WCSP (in review)
Viola longifolia Poir. Unresolved L WCSP (in review)
Viola longipedunculata Franch. & Sav. Unresolved L WCSP (in review)
Viola longipes Nutt. Synonym M TRO
Viola longiscapa DC. ex G.Don Unresolved L WCSP (in review)
Viola longistipulata Hayata Synonym M WCSP (in review)
Viola longiviola Pourr. ex Schult. Unresolved L WCSP (in review)
Viola losae Pau Unresolved L WCSP (in review)
Viola lovelliana Brainerd Synonym M TRO
Viola lucens W. Becker Accepted M TRO
Viola × luciae Skottsb. Unresolved L WCSP (in review)
Viola luciae Skottsb. Accepted M TRO
Viola lucida Nakai Unresolved L WCSP (in review)
Viola lucidifolia Newbro Unresolved L WCSP (in review)
Viola lucorum Dalla Torre & Sarnth. Unresolved L WCSP (in review)
Viola lucorum Lange Unresolved L WCSP (in review)
Viola ludovicea Jan ex Ging. Unresolved L WCSP (in review)
Viola × luganensis W.Becker Unresolved L WCSP (in review)
Viola lunaria Garsault [Invalid] Synonym M WCSP (in review)
Viola lunata Ridl. Unresolved L WCSP (in review)
Viola lunellii Greene Unresolved L WCSP (in review)
Viola lusitana Brot. Unresolved L WCSP (in review)
Viola lutchuensis Nakai Unresolved L WCSP (in review)
Viola lutea Huds. Accepted M WCSP (in review)
Viola lutea subsp. calaminaria (Ging.) Nauenb. Accepted L WCSP (in review)
Viola lutea var. hispida Nyman Synonym L WCSP (in review)
Viola lutea subsp. sudetica (Willd.) W.Becker Accepted L WCSP (in review)
Viola lutea var. westfalica A.A.H.Schulz Accepted L WCSP (in review)
Viola luteola Jord. Synonym M WCSP (in review)
Viola × lutzii E.G.Camus Accepted M WCSP (in review)
Viola lyallii Hook.f. Unresolved L WCSP (in review)
Viola maccabeiana M.S.Baker Unresolved L WCSP (in review)
Viola macedonica Boiss. & Heldr. Synonym L WCSP (in review)
Viola macedonica subsp. bosniaca (Formánek) Erben Synonym L WCSP (in review)
Viola macloskeyi F.E. Lloyd Accepted M TRO
Viola macloskeyi var. macloskeyi Synonym L TRO
Viola macloskeyi var. pallens (Banks ex DC.) C.L. Hitchc. Accepted L TRO
Viola macloskeyi subsp. pallens (Banks ex DC.) M.S. Baker Synonym L TRO
Viola macloviana Gand. Unresolved L WCSP (in review)
Viola macounii Greene Unresolved L WCSP (in review)
Viola macrantha A.Huet ex Nyman Unresolved L WCSP (in review)
Viola macroceras Bunge Accepted M TRO
Viola macrostipulata Schur Unresolved L WCSP (in review)
Viola macrotis Greene Synonym M TRO
Viola maculata Cav. Accepted M WCSP (in review)
Viola maculata var. maculata Synonym L TRO
Viola maculata var. megaphylla DC. ex Ging. Synonym L WCSP (in review)
Viola maculata subsp. microphyllos (Poir.) Weibel Synonym L WCSP (in review)
Viola maculata var. microphyllos (Poir.) DC. ex Ging. Accepted L WCSP (in review)
Viola maculicola Koidz. Unresolved L WCSP (in review)
Viola maderensis Lowe Unresolved L WCSP (in review)
Viola madonia C.Presl ex Rchb. Unresolved L WCSP (in review)
Viola magellanica Poir. Accepted M TRO
Viola magellensis Porta & Rigo ex Strobl Accepted M WCSP (in review)
Viola magnifica Ching J. Wang ex X.D. Wang Accepted M TRO
Viola magniflora Molina Unresolved L WCSP (in review)
Viola maillardii Souché Unresolved L WCSP (in review)
Viola mainlingensis S.Yung Chen Synonym M TRO
Viola mairei H. Lév. Synonym M TRO
Viola majchurensis Pissjauk. Unresolved L WCSP (in review)
Viola makinoi H.Boissieu Unresolved L WCSP (in review)
Viola makranica Omer & Qaiser Accepted M TRO
Viola malteana House Accepted M TRO
Viola × maluqueri Sennen Unresolved L WCSP (in review)
Viola × malvesinii Jeanj. Unresolved L WCSP (in review)
Viola malvina Ridl. Unresolved L WCSP (in review)
Viola mamillata Greene Synonym M TRO
Viola manaslensis F. Maek. Synonym M TRO
Viola mandonii W. Becker Accepted M TRO
Viola mandshurica W. Becker Accepted M TRO
Viola mandshurica f. albiflora P.Y. Fu & Y.C. Teng Synonym L TRO
Viola mandshurica var. ciliata Nakai Synonym L TRO
Viola mandshurica f. ciliata (Nakai) F. Maek. Synonym L TRO
Viola mandshurica var. glabra Nakai Synonym L TRO
Viola mandshurica f. glabra (Nakai) Hiyama ex Maek. Synonym L TRO
Viola mandshurica f. macrantha (Maxim.) Nakai & Kitag. Synonym L TRO
Viola mandshurica subsp. nagasakiensis W. Becker Synonym L TRO
Viola mantziana W.Becker Unresolved L WCSP (in review)
Viola maoershanensis Y.S.Chen & Q.E.Yang Unresolved L WCSP (in review)
Viola marcetii W.Becker Unresolved L WCSP (in review)
Viola mariae W. Becker Synonym M TRO
Viola × marihelenae Vl.V.Nikitin Unresolved L WCSP (in review)
Viola marina Bailly Unresolved L WCSP (in review)
Viola maritima Spreng. ex Mert. & W.D.J.Koch Unresolved L WCSP (in review)
Viola maritima (Schweigg. ex J.C.Clausen) Tzvelev Unresolved L WCSP (in review)
Viola × markensteinensis Wiesb. Unresolved L WCSP (in review)
Viola × markgrafii W.Becker Unresolved L WCSP (in review)
Viola maroccana Maire Unresolved L WCSP (in review)
Viola martia Garsault [Invalid] Unresolved L WCSP (in review)
Viola × martii Wiesb. Unresolved L WCSP (in review)
Viola × martini Maek. Unresolved L WCSP (in review)
Viola marylandica House Accepted M TRO
Viola masenderana Freyn ex W.Becker Unresolved L WCSP (in review)
Viola massonii Banks ex Ging. Unresolved L WCSP (in review)
Viola × matczkasensis Vl.V.Nikitin Unresolved L WCSP (in review)
Viola matronalis Garsault [Invalid] Synonym M WCSP (in review)
Viola matsudae Hayata Synonym M TRO
Viola matsumurae Makino Unresolved L WCSP (in review)
Viola matutina Klokov Synonym L WCSP (in review)
Viola mauritii Tepl. Accepted M WCSP (in review)
Viola maviensis H. Mann Accepted M TRO
Viola × maxima Domin Unresolved L WCSP (in review)
Viola maximowicziana Makino Unresolved L WCSP (in review)
Viola maymanica Grey-Wilson Unresolved L WCSP (in review)
Viola mearnsii Merr. Unresolved L WCSP (in review)
Viola mearnsii Standl. Unresolved L WCSP (in review)
Viola × medelii W.Becker Unresolved L WCSP (in review)
Viola media Chaillet ex Schult. Unresolved L WCSP (in review)
Viola medlingensis Wiesb. Unresolved L WCSP (in review)
Viola meduanensis Boreau Unresolved L WCSP (in review)
Viola megalantha (Nauenb.) G.H.Loos Unresolved L WCSP (in review)
Viola megalantha (Nauenb.) Landolt Unresolved L WCSP (in review)
Viola × megapolitana Prahl Unresolved L WCSP (in review)
Viola melanosperma Bertero ex Ging. Unresolved L WCSP (in review)
Viola melissifolia Greene Accepted M TRO
Viola membranacea W. Becker Accepted M TRO
Viola mendanca Vell. Unresolved L WCSP (in review)
Viola × menitzkii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola mentita Jord. Unresolved L WCSP (in review)
Viola mercurii Orph. ex Halácsy Accepted M WCSP (in review)
Viola × merkensteiniensis Wiesb. ex Murr Unresolved L WCSP (in review)
Viola merrilliana W.Becker Unresolved L WCSP (in review)
Viola merxmuelleri Erben Unresolved L WCSP (in review)
Viola mesadensis W.Becker Unresolved L WCSP (in review)
Viola mesochora Greene ex Rosend. Unresolved L WCSP (in review)
Viola metajaponica Nakai Unresolved L WCSP (in review)
Viola methodiana Const. & Gand. Unresolved L WCSP (in review)
Viola metziana Hohen. ex Hook.f. Unresolved L WCSP (in review)
Viola meyerana Klokov Unresolved L TRO
Viola meyeriana (Rupr.) Klokov Unresolved L WCSP (in review)
Viola micrantha Porta ex Huter Unresolved L WCSP (in review)
Viola micrantha Albert Unresolved L WCSP (in review)
Viola micrantha Turcz. Unresolved L WCSP (in review)
Viola micrantha C.Presl Unresolved L WCSP (in review)
Viola micrantha Bertol. Unresolved L WCSP (in review)
Viola micranthella Wedd. Accepted M TRO
Viola microcentra W.Becker Unresolved L WCSP (in review)
Viola microceras Schur Unresolved L WCSP (in review)
Viola microceras Rupr. Unresolved L WCSP (in review)
Viola microdonta C.C.Chang Unresolved L WCSP (in review)
Viola microphylla Phil. Synonym M TRO
Viola microphylla Willd. ex Roem. & Schult. Synonym M TRO
Viola microphyllos Poir. Synonym M WCSP (in review)
Viola × mielnicensis Zapał. Unresolved L WCSP (in review)
Viola miersii Bertero ex Steud. Unresolved L WCSP (in review)
Viola milanae Vl.V.Nikitin Accepted M WCSP (in review)
Viola milleri Moldenke Accepted M TRO
Viola minae Strobl Unresolved L WCSP (in review)
Viola minima M.S.Baker Unresolved L WCSP (in review)
Viola minor (Makino) Makino Synonym M TRO
Viola minor var. ciliata Taken. Unresolved L WCSP (in review)
Viola minor f. pilosa F.Maek. Unresolved L WCSP (in review)
Viola minuscula Greene Unresolved L WCSP (in review)
Viola minuta M.Bieb. Unresolved L WCSP (in review)
Viola minutiflora Phil. Accepted M TRO
Viola × mira Zapał. Unresolved L WCSP (in review)
Viola mirabiliformis Murr & Pôll Unresolved L WCSP (in review)
Viola mirabilis L. Accepted M WCSP (in review)
Viola mirabilis var. brachysepala (Maxim.) Regel Synonym L TRO
Viola mirabilis var. brevicalcarata Nakai Synonym L TRO
Viola mirabilis var. glaberrima W. Becker Synonym L TRO
Viola mirabilis f. latisepala W. Becker Synonym L TRO
Viola mirabilis var. platysepala Kitag. Synonym L TRO
Viola mirabilis var. subglabra Ledeb. Synonym L TRO
Viola miranda W. Becker Synonym M TRO
Viola missouriensis Greene Synonym M TRO
Viola mistassinica Greene Unresolved L WCSP (in review)
Viola mistura House Accepted M TRO
Viola × mixta Sudre Unresolved L WCSP (in review)
Viola mixta A.Kern. Unresolved L WCSP (in review)
Viola miyabei Makino Unresolved L WCSP (in review)
Viola miyajiana Koidz. Unresolved L WCSP (in review)
Viola miyakei Nakai Unresolved L WCSP (in review)
Viola modesta House Accepted M TRO
Viola modestula Klokov Synonym M TRO
Viola × modica House Unresolved L WCSP (in review)
Viola molfinoana W.Becker Unresolved L WCSP (in review)
Viola molleri Wein Unresolved L WCSP (in review)
Viola mollicula House Accepted M TRO
Viola × mollis A.Kern. ex Wiesb. Unresolved L WCSP (in review)
Viola monbeigii W. Becker Synonym M TRO
Viola mongolica Franch. Accepted M TRO
Viola mongolica f. longisepala P.Y. Fu & Y.C. Teng Synonym L TRO
Viola monochroa Klokov Synonym M TRO
Viola monopetala Schult. Unresolved L WCSP (in review)
Viola montagnei Gay Unresolved L WCSP (in review)
Viola montana L. Synonym M WCSP (in review)
Viola montana var. elatior (Fr.) Regel Synonym L TRO
Viola montanensis Rydb. Synonym M TRO
Viola montcaunica Pau Accepted M WCSP (in review)
Viola montfortensis Murr & Pôll Unresolved L WCSP (in review)
Viola monticola Jord. Synonym M WCSP (in review)
Viola montivaga House Accepted M TRO
Viola moupinensis Franch. Accepted M TRO
Viola moupinensis var. lijiangensis Ching J. Wang Synonym L TRO
Viola moupinensis var. moupinensis Synonym L TRO
Viola mrkvickana Velen. Unresolved L WCSP (in review)
Viola mucronulifera Hand.-Mazz. Accepted M TRO
Viola mucuzii Orph. ex Nyman Unresolved L WCSP (in review)
Viola muehldorfii Kiss Accepted M TRO
Viola muhlenbergiana Ging. Unresolved L WCSP (in review)
Viola muhlenbergiana var. minor Hook. Synonym L TRO
Viola muhlenbergii Torr. Synonym M TRO
Viola muhlenbergii var. multicaulis Torr. & A. Gray Synonym L TRO
Viola mulfordiae Pollard Accepted M TRO
Viola muliensis Y.S. Chen & Q.E.Yang Accepted M TRO
Viola multicaulis Jord. Unresolved L WCSP (in review)
Viola multicaulis Britton Unresolved L WCSP (in review)
Viola multifida Makino Unresolved L WCSP (in review)
Viola multifida Mill. Unresolved L WCSP (in review)
Viola multifida Willd. ex Schult. Unresolved L WCSP (in review)
Viola multistolonifera Ching J. Wang Synonym M TRO
Viola munbyana Boiss. & Reut. Accepted M WCSP (in review)
Viola munozensis W.Becker Unresolved L WCSP (in review)
Viola × murbeckii Dörfl. Unresolved L WCSP (in review)
Viola × murbeckii H.Lév. Unresolved L WCSP (in review)
Viola muretii F.O.Wolf Unresolved L WCSP (in review)
Viola muriculata Greene Synonym M TRO
Viola murrii Pôll Unresolved L WCSP (in review)
Viola muscoides Phil. Accepted M TRO
Viola mutabilis Rochel Unresolved L WCSP (in review)
Viola mutsuensis W.Becker Unresolved L WCSP (in review)
Viola mysurensis B.Heyne ex Wall. Unresolved L WCSP (in review)
Viola nagamiana T. Hashim. Synonym M TRO
Viola nagasawae Makino & Hayata Accepted M TRO
Viola nagasawae var. nagasawae Synonym L TRO
Viola nagasawai C.F. Hsieh Unresolved L TRO
Viola nagasawai var. acutilabella (Hayata) Nakai Synonym L TRO
Viola nagasawai var. pricei (W. Becker) J.C. Wang & T.C. Huang Unresolved L TRO
Viola × najadum Wein Unresolved L WCSP (in review)
Viola nana Godr. Unresolved L WCSP (in review)
Viola nana (DC.) Le Jol. Unresolved L WCSP (in review)
Viola nanlingensis J.S. Zhou & F.W. Xing Accepted M TRO
Viola nannae R.E. Fr. Accepted M TRO
Viola nannei Pol. Accepted M WCSP (in review)
Viola nannei var. glaberrima Becker Synonym L TRO
Viola nantouensis S.S.Ying Synonym M WCSP (in review)
Viola napae House Accepted M TRO
Viola napellifolia Nakai Synonym M TRO
Viola napellifolia var. sieboldiana (Maxim.) Nakai Synonym L TRO
Viola nassauvioides Phil. Accepted M TRO
Viola × nataliae Vl.V.Nikitin Unresolved L WCSP (in review)
Viola nebrodensis C.Presl Accepted M WCSP (in review)
Viola neglecta M.Bieb. Unresolved L WCSP (in review)
Viola neglecta F.W.Schmidt Unresolved L WCSP (in review)
Viola × neglectiformis Vl.V.Nikitin Unresolved L WCSP (in review)
Viola negulosa Greene Unresolved L WCSP (in review)
Viola × neilreichiana Borbás Unresolved L WCSP (in review)
Viola × neilreichii K.Richt. Unresolved L WCSP (in review)
Viola nelsonii W.Becker Synonym M WCSP (in review)
Viola nemausensis Jord. Synonym M WCSP (in review)
Viola × nemenyiana J.Wagner Unresolved L WCSP (in review)
Viola nemoralis Kütz. Accepted M WCSP (in review)
Viola nemoralis subsp. abbreviata (Vl.V.Nikitin) Vl.V.Nikitin Synonym L WCSP (in review)
Viola nemoralis var. abbreviata Vl.V.Nikitin Accepted L WCSP (in review)
Viola nemorosa (Neuman, Wahlst. & Murb.) G.H.Loos Unresolved L WCSP (in review)
Viola nemorum Rouy & Foucaud Unresolved L WCSP (in review)
Viola neoburgensis Erdner Unresolved L WCSP (in review)
Viola neomexicana Greene Synonym M TRO
Viola nepaulensis DC. ex D.Don Unresolved L WCSP (in review)
Viola nepetifolia Greene Unresolved L WCSP (in review)
Viola nephrophylla Greene Accepted M TRO
Viola nephrophylla var. arizonica (Greene) Kearney & Peebles Synonym L TRO
Viola nephrophylla var. cognata (Greene) C.L. Hitchc. Synonym L TRO
Viola nephrophylla var. nephrophylla Synonym L TRO
Viola nephrophylla f. nephrophylla Synonym L TRO
Viola × nephrophylloides Farw. Unresolved L WCSP (in review)
Viola nesiotica Greene Unresolved L WCSP (in review)
Viola × neumanniana Borbás Unresolved L WCSP (in review)
Viola nevadensis Boiss. Synonym M WCSP (in review)
Viola nicolai Pant. Synonym M WCSP (in review)
Viola niederleinii W.Becker Unresolved L WCSP (in review)
Viola nigricans Schur ex Nyman Unresolved L WCSP (in review)
Viola niijimensis Nakai Unresolved L WCSP (in review)
Viola nikkoensis Nakai Unresolved L WCSP (in review)
Viola nilagirica Turcz. Unresolved L WCSP (in review)
Viola nipponica Makino Unresolved L WCSP (in review)
Viola nitens Host ex Rchb. Unresolved L WCSP (in review)
Viola nitida Y.S.Chen & Q.E.Yang Unresolved L WCSP (in review)
Viola nivalis Benth. Unresolved L WCSP (in review)
Viola nivalis Vest ex Schult. Unresolved L WCSP (in review)
Viola nivalis Phil. Unresolved L WCSP (in review)
Viola nobilis W. Becker Accepted M TRO
Viola nodosa Greene Unresolved L WCSP (in review)
Viola notabilis E.P. Bicknell Accepted M TRO
Viola notoniana Wall. Unresolved L WCSP (in review)
Viola novae-angliae House Accepted M TRO
Viola novae-angliae subsp. grisea (Fernald) Gil-ad Synonym L TRO
Viola nubica Hutch. ex Broun & Massey Unresolved L WCSP (in review)
Viola nubigena Leyb. Accepted M TRO
Viola nuda W. Becker Accepted M TRO
Viola nudicaulis (W. Becker) S.Y. Chen Synonym M TRO
Viola nuevo-leonensis W.Becker Unresolved L WCSP (in review)
Viola nummularia Vuk. Unresolved L WCSP (in review)
Viola nummularifolia All. Unresolved L WCSP (in review)
Viola nummularifolia F.W.Schmidt Unresolved L WCSP (in review)
Viola nummulariifolia Vill. Accepted M WCSP (in review)
Viola nuttallii Pursh Accepted M TRO
Viola nuttallii var. linguifolia (Nutt.) Piper Synonym L TRO
Viola nuttallii var. major Hook. Synonym L TRO
Viola nuttallii var. nuttallii Synonym L TRO
Viola nuttallii var. praemorsa (Douglas ex Lindl.) S. Watson Synonym L TRO
Viola nuttallii subsp. praemorsa (Douglas ex Lindl.) Piper Synonym L TRO
Viola nuttallii var. vallicola (A. Nelson) H. St. John Synonym L TRO
Viola nuttallii subsp. vallicola (A. Nelson) Roy L. Taylor & MacBryde Synonym L TRO
Viola nuttallii var. venosa S.Watson Synonym L WCSP (in review)
Viola oahuensis C.N. Forbes Accepted M TRO
Viola obliqua Aiton Accepted M WCSP (in review)
Viola obliqua Hill Synonym M TRO
Viola obliqua var. crenulata (Greene) Farw. Accepted L TRO
Viola obliquifolia Turcz. Synonym M WCSP (in review)
Viola oblonga Blatt. Unresolved L WCSP (in review)
Viola oblongosagittata Nakai Synonym M TRO
Viola oblongosagittata f. ishizakii Yamam. Synonym L TRO
Viola oblongosagittata var. violascens Nakai Synonym L TRO
Viola obscura Schur Unresolved L WCSP (in review)
Viola obtusa (Makino) Makino Accepted M TRO
Viola × obtusoacuminata T.Hashim. ex T.Shimizu Unresolved L WCSP (in review)
Viola obtusogrypoceras Makino Unresolved L WCSP (in review)
Viola obtusosagitta Koidz. Unresolved L WCSP (in review)
Viola occidentalis (A. Gray) Howell Accepted M TRO
Viola occulta Lehm. Accepted M WCSP (in review)
Viola ocellata Torr. & A. Gray Accepted M TRO
Viola ochroleuca Schwein. Unresolved L WCSP (in review)
Viola oconensis House Unresolved L WCSP (in review)
Viola odontocalycina Boiss. Unresolved L WCSP (in review)
Viola odontophora Rydb. Synonym M TRO
Viola odora Neck. [Spelling variant] Synonym M WCSP (in review)
Viola odorata L. Accepted M WCSP (in review)
Viola odorata f. odorata Synonym L TRO
Viola × oenensis Borbás Unresolved L WCSP (in review)
Viola oenipontana Murr Unresolved L WCSP (in review)
Viola × oenipontana Murr Unresolved L WCSP (in review)
Viola oetolica Boiss. Unresolved L WCSP (in review)
Viola officinalis Crantz Unresolved L WCSP (in review)
Viola × ogawae Nakai Unresolved L WCSP (in review)
Viola okuboi Makino Unresolved L WCSP (in review)
Viola × okuharae F.Maek. ex T.Shimizu Unresolved L WCSP (in review)
Viola oldhamiana Nakai Unresolved L WCSP (in review)
Viola oligoceps Chang Synonym M TRO
Viola olimpia Beggiat. Unresolved L WCSP (in review)
Viola olonnensis Genev. Unresolved L WCSP (in review)
Viola olympica Boiss. Unresolved L WCSP (in review)
Viola olympica var. samothracica Degen Unresolved L WCSP (in review)
Viola olyssiponensis Rouy Unresolved L WCSP (in review)
Viola ophiophylla Greene Unresolved L TRO
Viola opizii Knaf ex Nyman Unresolved L WCSP (in review)
Viola oppositifolia L. Synonym L WCSP (in review)
Viola orbelica Pančić Accepted M WCSP (in review)
Viola orbiculata Geyer ex Hook. Accepted M TRO
Viola orbignyana Remy Accepted M TRO
Viola orcadensis Drabble Unresolved L WCSP (in review)
Viola orchidiflora Rudge Synonym M TRO
Viola oreades M.Bieb. Accepted M WCSP (in review)
Viola oreliensis W.Becker Unresolved L WCSP (in review)
Viola oreocallis Greene Unresolved L WCSP (in review)
Viola oreophila Greene Unresolved L WCSP (in review)
Viola orientalis W.Becker Accepted M WCSP (in review)
Viola orientalis var. conferta W. Becker Synonym L TRO
Viola ornithodes Greene Unresolved L WCSP (in review)
Viola × orophila Wiesb. [Invalid] Unresolved L WCSP (in review)
Viola orphanidis Boiss. Accepted M WCSP (in review)
Viola orphanidis subsp. nicolai (Pant.) Valentine Accepted L WCSP (in review)
Viola orthoceras Ledeb. Unresolved L WCSP (in review)
Viola oudemansii W.Becker Unresolved L WCSP (in review)
Viola ovalifolia W.Becker Unresolved L WCSP (in review)
Viola ovalleana Phil. Accepted M TRO
Viola ovata Nutt. Synonym M TRO
Viola ovata var. hicksii (Pollard) Pollard Unresolved L TRO
Viola ovato-oblonga Makino Unresolved L WCSP (in review)
Viola ovato-oblonga var. obtusa Makino Synonym L TRO
Viola oxycentra Juz. Synonym M TRO
Viola oxyceras (S. Watson) Greene Synonym M TRO
Viola oxyodontis Ballard Accepted M TRO
Viola oxysepala Greene Synonym M TRO
Viola × pacheri Wiesb. Unresolved L WCSP (in review)
Viola pachyrhiza Franch. Unresolved L WCSP (in review)
Viola pachyrhizonia F.O.Wolf Unresolved L WCSP (in review)
Viola pachyrrhiza Boiss. & Hohen. Unresolved L WCSP (in review)
Viola pacifica Juz. Unresolved L WCSP (in review)
Viola paillouxi Jord. Unresolved L WCSP (in review)
Viola painteri Rose & House Accepted M TRO
Viola palatina Y.N.Lee Unresolved L WCSP (in review)
Viola palentina Losa Unresolved L WCSP (in review)
Viola pallascaensis W. Becker Accepted M TRO
Viola pallasii Fisch. ex Steud. Unresolved L WCSP (in review)
Viola pallens (Banks ex DC.) Brainerd Synonym M TRO
Viola pallens subsp. macloskeyi (F.E. Lloyd) M.S. Baker Synonym L TRO
Viola pallescens Jord. Unresolved L WCSP (in review)
Viola pallida Salisb. Unresolved L WCSP (in review)
Viola pallidiflora A.Huet ex Nyman Unresolved L WCSP (in review)
Viola palmaesis Knowles & Westc. Unresolved L WCSP (in review)
Viola palmaris Buch.-Ham. ex Ging. Unresolved L WCSP (in review)
Viola palmata L. Accepted M TRO
Viola palmata var. asarifolia (Pursh) House Accepted L TRO
Viola palmata var. cucullata (Aiton) A.Gray Synonym L WCSP (in review)
Viola palmata var. dilatata Elliott Synonym L TRO
Viola palmata var. heterophylla Elliott Unresolved L WCSP (in review)
Viola palmata var. palmata Synonym L TRO
Viola palmata var. pedatifida (G. Don) Cronquist Synonym L TRO
Viola palmata var. sororia (Willd.) Pollard Accepted L TRO
Viola palmata var. triloba (Schwein.) Ging. ex DC. Synonym L TRO
Viola palmata var. variabilis (Greene) W. Stone Accepted L TRO
Viola palmensis Webb & Berthel. Unresolved L WCSP (in review)
Viola paludosa Clairv. Unresolved L WCSP (in review)
Viola palustris L. Accepted M WCSP (in review)
Viola palustris var. brevipes (M.S. Baker) R.J. Davis Synonym L TRO
Viola palustris subsp. brevipes M.S. Baker Synonym L TRO
Viola palustris var. epipsila (Ledeb.) Maxim. Synonym L WCSP (in review)
Viola palustris subsp. juressi (Link ex Cout.) Cout. Accepted L WCSP (in review)
Viola palustris var. moupinensis (Franch.) Franch. Synonym L TRO
Viola palustris var. palustris Synonym L TRO
Viola palustris f. palustris Synonym L TRO
Viola palustris subsp. pubifolia Kuta Synonym L TRO
Viola palustroides (W.Becker) Tzvelev Unresolved L WCSP (in review)
Viola papilionacea Pursh Accepted M TRO
Viola papilionacea var. alba (Torr. & A. Gray) Farw. Accepted L TRO
Viola papilionacea f. papilionacea Synonym L TRO
Viola papilionacea var. papilionacea Synonym L TRO
Viola papillaris Boiss. & Hohen. Unresolved L WCSP (in review)
Viola papuana W.Becker & Pulle Unresolved L WCSP (in review)
Viola × paradoxa Rouy & Foucaud Unresolved L WCSP (in review)
Viola × paradoxa K.Richt. Unresolved L WCSP (in review)
Viola paradoxa Lowe Unresolved L WCSP (in review)
Viola paravaginata H. Hara Synonym M TRO
Viola parca House Accepted M TRO
Viola pardoi W.Becker Unresolved L WCSP (in review)
Viola pariaetariifolia Banks ex Ging. Unresolved L WCSP (in review)
Viola parkeri Champ. ex Benth. Unresolved L WCSP (in review)
Viola parmensis Bailly Unresolved L WCSP (in review)
Viola parnassifolia Greene Unresolved L WCSP (in review)
Viola parnonia Kit Tan, Sfikas & Vold Unresolved L WCSP (in review)
Viola parva E.Adans. Unresolved L WCSP (in review)
Viola parviflora L.f. Synonym M WCSP (in review)
Viola parvifolia Willd. ex Roem. & Schult. Synonym M TRO
Viola parvula Tineo Accepted M WCSP (in review)
Viola pascua W.Becker Synonym M WCSP (in review)
Viola patagonica W.Becker Unresolved L WCSP (in review)
Viola patrinii Ging. Accepted M WCSP (in review)
Viola patrinii var. acuminata (Franch. & Sav.) Makino Accepted L TRO
Viola patrinii var. brevicalcarata Skvortsov Synonym L TRO
Viola patrinii var. caespitosa (D. Don) Ridl. Synonym L TRO
Viola patrinii var. chinensis Hayata Synonym L WCSP (in review)
Viola patrinii f. glabra (Nakai) F. Maek. Synonym L TRO
Viola patrinii var. laotiana H. Boissieu Synonym L TRO
Viola patrinii var. macrantha Maxim. Synonym L TRO
Viola patrinii var. minor Makino Synonym L TRO
Viola patrinii var. nepaulensis Ging. Synonym L TRO
Viola patrinii var. suaveolens Watt Synonym L TRO
Viola × paxiana Degen & Zsák Unresolved L WCSP (in review)
Viola peckiana House Accepted M TRO
Viola pectinata E.P. Bicknell Synonym M TRO
Viola pedata L. Accepted M TRO
Viola pedata var. pedata Synonym L TRO
Viola pedata f. pedata Synonym L TRO
Viola pedata f. ranunculifolia (Juss. ex Poir.) Fernald Synonym L TRO
Viola pedata var. ranunculifolia (Juss. ex Poir.) Ging. Accepted L TRO
Viola pedatifida G. Don Accepted M TRO
Viola pedatifida var. bernardii Greene Synonym L TRO
Viola pedatifida subsp. brittoniana (Pollard) L.E. McKinney Accepted L TRO
Viola pedatifida subsp. pedatifida Synonym L TRO
Viola peduncularis Langsd. ex Ging. Unresolved L WCSP (in review)
Viola pedunculata Torr. & A. Gray Accepted M TRO
Viola pedunculata subsp. pedunculata Synonym L TRO
Viola pekinensis (Regel) W. Becker Accepted M TRO
Viola pendulicarpa W. Becker Accepted M TRO
Viola pensylvanica Michx. Synonym M TRO
Viola pentadactyla Fenzl Unresolved L WCSP (in review)
Viola pentelica Vierh. Synonym M WCSP (in review)
Viola peramoena Greene Unresolved L WCSP (in review)
Viola peregrina Jord. ex Boreau Unresolved L WCSP (in review)
Viola perennis Bailly Unresolved L WCSP (in review)
Viola perennis Miégev. Unresolved L WCSP (in review)
Viola perexigua Colenso Unresolved L WCSP (in review)
Viola perinensis W.Becker Accepted M WCSP (in review)
Viola × permixta Jord. Accepted M WCSP (in review)
Viola perpensa Greene Unresolved L WCSP (in review)
Viola perpera House Accepted M TRO
Viola perplexa Gremli Unresolved L WCSP (in review)
Viola perpusilla H. Boissieu Accepted M TRO
Viola perrobusta Borbás Unresolved L WCSP (in review)
Viola persicariifolia Poir. Unresolved L WCSP (in review)
Viola persicifolia Schreb. Accepted M WCSP (in review)
Viola perstolona Borbás Unresolved L WCSP (in review)
Viola pesneaui J.Lloyd Unresolved L WCSP (in review)
Viola petelotii W.Becker ex Gagnep. Unresolved L WCSP (in review)
Viola × peterfii Nyár. Unresolved L WCSP (in review)
Viola petraea W.Becker Unresolved L WCSP (in review)
Viola petrophila Greene Unresolved L WCSP (in review)
Viola phalacrocarpa Maxim. Accepted M TRO
Viola phalacrocarpoides Makino Unresolved L WCSP (in review)
Viola philippiana Greene Unresolved L WCSP (in review)
Viola philippica Cav. Accepted M WCSP (in review)
Viola philippica f. candida (Kitag.) Kitag. Synonym L WCSP (in review)
Viola philippica f. intermedia (Kitag.) Kitag. Synonym L TRO
Viola philippica subsp. malesica W. Becker Synonym L TRO
Viola philippica subsp. munda W.Becker Synonym L WCSP (in review)
Viola philippica var. philippica Synonym L TRO
Viola philippica var. pseudojaponica (Nakai) Y.S.Chen Accepted L WCSP (in review)
Viola philippica var. yunnanfuensis W. Becker Synonym L TRO
Viola philippii Leyb. Unresolved L WCSP (in review)
Viola phitosiana Erben Unresolved L WCSP (in review)
Viola physalodes Greene Unresolved L WCSP (in review)
Viola phyteumifolia G.Don Unresolved L WCSP (in review)
Viola pichinchensis Turcz. Synonym M TRO
Viola picta Gillot Unresolved L WCSP (in review)
Viola pilosa Blume Accepted M TRO
Viola pindicola Formánek Unresolved L WCSP (in review)
Viola pinetorum Greene Accepted M TRO
Viola pinetorum subsp. grisea (R.J. Little) R.J. Little Accepted L TRO
Viola pinetorum var. grisea (Jeps.) R.J. Little Synonym L TRO
Viola pinetorum subsp. pinetorum Synonym L TRO
Viola pinnata L. Accepted M WCSP (in review)
Viola pinnata var. chaerophylloides Regel Synonym L TRO
Viola pinnata var. dissecta (Ledeb.) Regel Synonym L TRO
Viola pinnata subsp. multifida W. Becker Synonym L TRO
Viola pinnata var. sieboldiana Maxim. Synonym L TRO
Viola pinnatifida All. Unresolved L WCSP (in review)
Viola pirottae Chiov. Unresolved L WCSP (in review)
Viola placida W.Becker Unresolved L WCSP (in review)
Viola planifolia Greene Unresolved L WCSP (in review)
Viola plantaginea Webb ex Christ Accepted M WCSP (in review)
Viola plenigeri Formánek Unresolved L WCSP (in review)
Viola pluricaulis Borbás Unresolved L WCSP (in review)
Viola pobedimovae Serg. Synonym M WCSP (in review)
Viola pobedimovae C. Serg. Synonym M TRO
Viola podolica Andrz. Unresolved L WCSP (in review)
Viola podolica Andrz. ex Trautv. Unresolved L WCSP (in review)
Viola poelliana Murr Unresolved L WCSP (in review)
Viola poetica Boiss. & Spruner Accepted M WCSP (in review)
Viola pogonantha W.W. Sm. Synonym M TRO
Viola × poltavensis Vl.V.Nikitin Unresolved L WCSP (in review)
Viola polycephala H.E. Ballard & P. Jørg. Accepted M TRO
Viola polychroma A.Kern. Synonym M WCSP (in review)
Viola polygalifolia Poir. Unresolved L WCSP (in review)
Viola polymorpha C.C. Chang Synonym M TRO
Viola polyodonta W.Becker Synonym M WCSP (in review)
Viola polypoda Turcz. Accepted M WCSP (in review)
Viola pomelii Sennen & Mauricio Unresolved L WCSP (in review)
Viola pontica W.Becker Synonym M WCSP (in review)
Viola popetae Sparre Accepted M TRO
Viola × popovae Vl.V.Nikitin Unresolved L WCSP (in review)
Viola × populifolia Greene Accepted M TRO
Viola porphyrea Uechtr. ex Garcke Unresolved L WCSP (in review)
Viola portalesia Gay Unresolved L WCSP (in review)
Viola portalesia var. portalesia Unresolved L TRO
Viola porteriana Pollard Accepted M TRO
Viola portulacea Leyb. Accepted M TRO
Viola praecox Heuff. ex Fuss Unresolved L WCSP (in review)
Viola praemorsa Douglas Accepted M WCSP (in review)
Viola praemorsa var. altior Blank. Accepted L TRO
Viola praemorsa subsp. flavovirens (Pollard) Fabijan Synonym L TRO
Viola praemorsa var. flavovirens (Pollard) R.J. Little Accepted L TRO
Viola praemorsa subsp. linguifolia (Nutt.) M.S. Baker Synonym L TRO
Viola praemorsa subsp. major (Hook.) M.S. Baker Synonym L TRO
Viola praemorsa var. major (Hook.) M. Peck Synonym L TRO
Viola praemorsa var. praemorsa Synonym L TRO
Viola praemorsa subsp. praemorsa Synonym L TRO
Viola praemorsa var. venosa (S. Watson) A. Gray Synonym L TRO
Viola × praesignis Beck Unresolved L WCSP (in review)
Viola pratensis Mert. & W.D.J.Koch Unresolved L WCSP (in review)
Viola pratincola Greene Accepted M TRO
Viola prattii W. Becker Synonym M TRO
Viola prenja Beck Synonym M WCSP (in review)
Viola × preywischiana Nauenb. Unresolved L WCSP (in review)
Viola priceana Pollard Accepted M TRO
Viola pricei W. Becker Synonym M TRO
Viola primorskajensis (W.Becker) Vorosch. Unresolved L WCSP (in review)
Viola primulifolia L. Accepted M WCSP (in review)
Viola primulifolia Lour. Synonym M TRO
Viola primulifolia var. acuta (Bigelow) Torr. & A. Gray Accepted L TRO
Viola primulifolia var. cordata (Walter) DC. Synonym L TRO
Viola primulifolia var. glabra Nakai Synonym L TRO
Viola primulifolia subsp. occidentalis (A. Gray) L.E. McKinney & R.J. Little Accepted L TRO
Viola primulifolia var. occidentalis A. Gray Synonym L TRO
Viola primulifolia var. primulifolia Synonym L TRO
Viola principis H. Boissieu Synonym M TRO
Viola principis var. acutifolia Ching J. Wang Synonym L TRO
Viola pringlei Rose & House Accepted M TRO
Viola prionantha Bunge Accepted M WCSP (in review)
Viola prionantha var. incisa Kitag. Synonym L TRO
Viola prionantha subsp. jaunsariensis W. Becker Synonym L TRO
Viola prionantha var. prionantha Synonym L TRO
Viola prionantha var. sylvatica Kitag. Synonym L TRO
Viola prionantha var. trichantha Ching J. Wang Synonym L TRO
Viola prionosepala Greene Synonym M TRO
Viola procera Pall. ex Ledeb. Unresolved L WCSP (in review)
Viola procerior Dalla Torre & Sarnth. Unresolved L WCSP (in review)
Viola procumbens Gilib. Unresolved L WCSP (in review)
Viola procumbens J.F.Gmel. Unresolved L WCSP (in review)
Viola producta W. Becker Accepted M TRO
Viola prolixa (Adamovic) Pančić ex W.Becker Synonym M WCSP (in review)
Viola propera Jord. Unresolved L WCSP (in review)
Viola propinqua Jord. Unresolved L WCSP (in review)
Viola prostrata Schult. Unresolved L WCSP (in review)
Viola provostii Boreau Unresolved L WCSP (in review)
Viola pruinosa Pollard Unresolved L WCSP (in review)
Viola prunellaefolia Kunth Unresolved L TRO
Viola prunellifolia Fisch. ex Ging. Unresolved L WCSP (in review)
Viola pruniflora Nakai Unresolved L WCSP (in review)
Viola prunifolia Humb. & Bonpl. ex Schult. Synonym M WCSP (in review)
Viola × prutensis Zapał. Unresolved L WCSP (in review)
Viola psammophila Phil. Unresolved L WCSP (in review)
Viola pseudasterias Reiche Synonym M TRO
Viola pseudo-monbeigii CHANG Unresolved L TRO
Viola pseudoarcuata C.C. Chang Synonym M TRO
Viola pseudobambusetorum Chang Synonym M TRO
Viola pseudocanina Schur Unresolved L WCSP (in review)
Viola pseudogracilis Strobl Accepted M WCSP (in review)
Viola pseudogracilis subsp. cassinensis (Strobl) merxm. & A.F.W.Schmidt Accepted L WCSP (in review)
Viola pseudograeca Erben Unresolved L WCSP (in review)
Viola pseudojaponica Nakai Synonym M WCSP (in review)
Viola pseudolutea Schur Unresolved L WCSP (in review)
Viola × pseudomakinoi M.Mizush. ex T.Shimizu Unresolved L WCSP (in review)
Viola × pseudomirabilis H.J.Coste Unresolved L WCSP (in review)
Viola pseudomonbeigii Chang Synonym M TRO
Viola pseudomontana Blocki Unresolved L WCSP (in review)
Viola pseudomunbyana W.Becker Unresolved L WCSP (in review)
Viola pseudoprionantha W.Becker Unresolved L WCSP (in review)
Viola pseudoselkirki Nakai Unresolved L WCSP (in review)
Viola pseudosepincola W.Becker Unresolved L WCSP (in review)
Viola × pseudosilvatica K.Richt. Unresolved L WCSP (in review)
Viola pseudostagnina Vorosch. Unresolved L WCSP (in review)
Viola pseudosuavis Schur Unresolved L WCSP (in review)
Viola pseudovulcanica W.Becker Unresolved L WCSP (in review)
Viola psychodes Greene Synonym M TRO
Viola pteropoda Hemsl. Synonym M TRO
Viola puberula Howell Unresolved L WCSP (in review)
Viola puberula Lange Unresolved L WCSP (in review)
Viola pubescens Aiton Accepted M TRO
Viola pubescens f. achlydophylla (Greene) Farw. Accepted L TRO
Viola pubescens var. pubescens Synonym L TRO
Viola pubescens var. scabriuscula Torr. & A. Gray Accepted L TRO
Viola pubifolia (Kuta) G. H. Loos Accepted M TRO
Viola pubinervis Rehmann & Woł. Unresolved L WCSP (in review)
Viola pubinervis Rehmann & Woł. Unresolved L WCSP (in review)
Viola pulchella Salisb. Unresolved L WCSP (in review)
Viola pulchella Leyb. ex Reiche & Johow Unresolved L WCSP (in review)
Viola pulla W. Becker Synonym M TRO
Viola pulvinata Reiche Accepted M TRO
Viola pumila Chaix Accepted M WCSP (in review)
Viola pumila var. orientalis Kupffer Synonym L WCSP (in review)
Viola pumilio W.Becker Unresolved L WCSP (in review)
Viola punctata Humb. ex Schult. Unresolved L WCSP (in review)
Viola punctata Schwein. Unresolved L WCSP (in review)
Viola punicea Ruiz & Pav. ex Ging. Unresolved L WCSP (in review)
Viola purpurascens F.W.Schmidt Unresolved L WCSP (in review)
Viola purpurea Kellogg Accepted M TRO
Viola purpurea subsp. atriplicifolia (Greene) M.S. Baker & J.C. Clausen Synonym L TRO
Viola purpurea var. atriplicifolia (Greene) M. Peck Synonym L TRO
Viola purpurea var. aurea (Kellogg) M.S. Baker ex Jeps. Synonym L TRO
Viola purpurea subsp. aurea (Kellogg) J.C. Clausen Synonym L TRO
Viola purpurea var. charlestonensis (M.S. Baker & J.C. Clausen) S.L. Welsh & Reveal Synonym L TRO
Viola purpurea subsp. integrifolia M.S. Baker & J.C. Clausen Synonym L TRO
Viola purpurea var. integrifolia (M.S. Baker & J.C. Clausen) J.T. Howell Accepted L TRO
Viola purpurea var. purpurea Synonym L TRO
Viola purpurea subsp. purpurea Synonym L TRO
Viola purpurea subsp. venosa (S.Watson) M.S.Baker & J.C.Clausen Accepted L WCSP (in review)
Viola purpurea var. venosa (S.Watson) Brainerd Synonym L WCSP (in review)
Viola pusilla Poepp. Accepted M WCSP (in review)
Viola pusillima Wedd. Accepted M TRO
Viola pycnophylla Franch. & Sav. Unresolved L WCSP (in review)
Viola pygmaea Juss. ex Poir. Accepted M TRO
Viola × pynzarii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola pyrenaica Ramond ex DC. Accepted M WCSP (in review)
Viola pyrolifolia Poir. Synonym M WCSP (in review)
Viola quercetorum M.S. Baker & J.C. Clausen Accepted M TRO
Viola raddeana Regel Accepted M TRO
Viola × radians Beck Unresolved L WCSP (in review)
Viola radicans DC. ex Ging. Unresolved L WCSP (in review)
Viola rafinesquei Greene Synonym M TRO
Viola ramosa Gaterau Unresolved L WCSP (in review)
Viola ramosiana W.Becker Unresolved L WCSP (in review)
Viola ramosissima Turcz. Synonym M TRO
Viola ranunculifolia Juss. ex Poir. Synonym M TRO
Viola rauliniana Erben Unresolved L WCSP (in review)
Viola raunsiensis W.Becker & Košanin Accepted M WCSP (in review)
Viola rausii Erben Unresolved L WCSP (in review)
Viola ravida House Accepted M TRO
Viola recta Garcke Unresolved L WCSP (in review)
Viola redacta House Accepted M TRO
Viola redunca House Unresolved L WCSP (in review)
Viola × regeliana Rouy & Foucaud Unresolved L WCSP (in review)
Viola reichei Skottsb. ex Macloskie Accepted M WCSP (in review)
Viola reichei Skottsb. Unresolved L TRO
Viola reichei f. gunckelii Sparre Synonym L TRO
Viola reichenbachiana Jord. ex Boreau Accepted M WCSP (in review)
Viola reichii W.Becker Unresolved L WCSP (in review)
Viola reichii Skottsb. Unresolved L WCSP (in review)
Viola reidiae Cory Unresolved L WCSP (in review)
Viola renifolia A. Gray Accepted M TRO
Viola renifolia var. brainerdii (Greene) Fernald Accepted L TRO
Viola renifolia var. renifolia Synonym L TRO
Viola reniformis Wall. Synonym M TRO
Viola repens Turcz. ex Trautv. & C.A.Mey. [Illegitimate] Synonym M WCSP (in review)
Viola replicata W. Becker Accepted M TRO
Viola reptabunda Greene Unresolved L WCSP (in review)
Viola reptans B.L. Rob. Accepted M TRO
Viola × reschetnikovae Vl.V.Nikitin Unresolved L WCSP (in review)
Viola resupinata Moench Unresolved L WCSP (in review)
Viola reticulata Schltdl. Unresolved L WCSP (in review)
Viola retroscabra Greene Synonym M TRO
Viola retusa Greene Unresolved L WCSP (in review)
Viola reverchonii Wenk Unresolved L WCSP (in review)
Viola reverchonii Willk. ex Debeaux Unresolved L WCSP (in review)
Viola revoluta Heuff. ex Rchb. Unresolved L WCSP (in review)
Viola × rhaetica Borbás Unresolved L WCSP (in review)
Viola rheophila Okamoto Unresolved L WCSP (in review)
Viola rhizomata Nakai Unresolved L WCSP (in review)
Viola rhodanica Chatenier & Revol Unresolved L WCSP (in review)
Viola rhodopeia W.Becker Unresolved L WCSP (in review)
Viola rhodopensis Formánek Unresolved L WCSP (in review)
Viola rhodosepala Kitag. Synonym M TRO
Viola rhombifolia Leyb. Accepted M TRO
Viola riddensis F.O.Wolf Unresolved L WCSP (in review)
Viola riloensis W.Becker Unresolved L WCSP (in review)
Viola riparia C.V.Hartm. Unresolved L WCSP (in review)
Viola riphaea J.F.Gmel. Unresolved L WCSP (in review)
Viola ritschliana W.Becker Unresolved L WCSP (in review)
Viola riviniana Rchb. Accepted M WCSP (in review)
Viola riviniana var. minor (Murb. ex E.S.Gregory) Valentine Synonym L WCSP (in review)
Viola riviniana subsp. minor (Murb. ex E.S.Gregory) Valentine Synonym L WCSP (in review)
Viola riviniana f. minor Murb. ex E.S.Gregory Synonym L WCSP (in review)
Viola riviniana var. nemorosa Neuman, Wahlst. & Murb. Unresolved L WCSP (in review)
Viola riviniana f. prolifera Valentine Synonym L WCSP (in review)
Viola riviniana f. sobolifera Valentine Synonym L WCSP (in review)
Viola robinsoniana House Accepted M TRO
Viola robinsonii Ridl. Unresolved L WCSP (in review)
Viola robusta Hillebr. Accepted L TRO
Viola roccabrunensis Espeut Unresolved L WCSP (in review)
Viola rockiana W. Becker Synonym M TRO
Viola rockii H.St.John Unresolved L WCSP (in review)
Viola rodriguezii W.Becker Unresolved L WCSP (in review)
Viola rogoviczii Andrz. ex Trautv. Unresolved L WCSP (in review)
Viola roigii Rossow Accepted M TRO
Viola rolandi-bonapartei W.Wolf Unresolved L WCSP (in review)
Viola ronnigeri W.Becker Unresolved L WCSP (in review)
Viola rosacea Brainerd Accepted M TRO
Viola × rossii Chiov. Unresolved L WCSP (in review)
Viola rossii Hemsl. Accepted M TRO
Viola rosthornii E. Pritz. Synonym M TRO
Viola rostrata Pursh Accepted M TRO
Viola rostrata f. phelpsiae Fernald Synonym L TRO
Viola rostrata var. phelpsiae (Fernald) Farw. Accepted L TRO
Viola rosulata Poepp. & Endl. Accepted M WCSP (in review)
Viola rothomagensis Desf. Synonym M WCSP (in review)
Viola rotundifolia Michx. Accepted M TRO
Viola rotundifolia var. pallens Banks ex DC. Synonym L TRO
Viola rouyana W.Wolf Unresolved L WCSP (in review)
Viola roxburghiana Voigt Unresolved L WCSP (in review)
Viola × roxolanica Zapał. Unresolved L WCSP (in review)
Viola roxolanica Blocki Unresolved L WCSP (in review)
Viola royleana Wall. Unresolved L WCSP (in review)
Viola rubella Cav. Accepted M TRO
Viola rubella var. angustifolia Ging. Synonym L TRO
Viola rubella var. latifolia Ging. Synonym L TRO
Viola rubella var. rubella Synonym L TRO
Viola rubra Aubl. ex Steud. Unresolved L WCSP (in review)
Viola rubrifolia Boiss. Unresolved L TRO
Viola rudolfii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola rudolphii Sparre Accepted M TRO
Viola rugosa Phil. ex W. Becker Accepted M TRO
Viola rugulosa Greene Accepted M TRO
Viola × rupestriformis Vl.V.Nikitin Unresolved L WCSP (in review)
Viola rupestris F.W.Schmidt Accepted M WCSP (in review)
Viola rupestris subsp. glaberrima (Murb.) Vl.V.Nikitin Synonym L WCSP (in review)
Viola rupestris var. glaberrima Murb. Accepted L WCSP (in review)
Viola rupestris subsp. rupestris Synonym L TRO
Viola rupicola Elmer Unresolved L WCSP (in review)
Viola ruppii Hegetschw. Unresolved L WCSP (in review)
Viola ruppii J.Presl & C.Presl Unresolved L WCSP (in review)
Viola ruppii All. Unresolved L WCSP (in review)
Viola ruppii Rchb. Unresolved L WCSP (in review)
Viola ruralis Jord. ex Boreau Unresolved L WCSP (in review)
Viola russellii B.Boivin Unresolved L WCSP (in review)
Viola rydbergii Greene Synonym M TRO
Viola ryoniae House Accepted M TRO
Viola × ryonii House Unresolved L WCSP (in review)
Viola × sabuletorum Rouy & Foucaud Unresolved L WCSP (in review)
Viola sabulosa Boreau Unresolved L WCSP (in review)
Viola saccata Melch. Accepted M TRO
Viola sacchalinensis H.Boissieu Accepted M WCSP (in review)
Viola sacchalinensis var. alpicola P.Y. Fu & Y.C. Teng Accepted L TRO
Viola sacchalinensis var. sacchalinensis Synonym L TRO
Viola sacculus Skottsb. Unresolved L WCSP (in review)
Viola sacraricola Nakai Unresolved L WCSP (in review)
Viola sagittata Aiton Accepted M TRO
Viola sagittata var. emarginata Nutt. Synonym L TRO
Viola sagittata var. fimbriatula Sm. Synonym L TRO
Viola sagittata var. hicksii Pollard Synonym L TRO
Viola sagittata var. ovata (Nutt.) Torr. & A. Gray Accepted L TRO
Viola sagittata var. sagittata Synonym L TRO
Viola sagittata var. secedens (Greene) Farw. Accepted L TRO
Viola sagittata var. subsagittata (Greene) Pollard Accepted L TRO
Viola sagittata f. umbelliflora (Fernald) Scoggan Accepted L TRO
Viola sagittifolia Salisb. Unresolved L WCSP (in review)
Viola sagotii Jord. Unresolved L WCSP (in review)
Viola salina Turcz. Unresolved L WCSP (in review)
Viola × salvatoriana W.Becker & Thell. Unresolved L WCSP (in review)
Viola samothracica (Degen) Raus Unresolved L WCSP (in review)
Viola sandbergii Greene Unresolved L WCSP (in review)
Viola sandrasea Melch. Unresolved L WCSP (in review)
Viola sandwicensis H.Lév. Unresolved L WCSP (in review)
Viola × sanensis Zapał. Unresolved L WCSP (in review)
Viola santiagoensis Becker,W. Accepted M TRO
Viola santiagonensis W.Becker Unresolved L WCSP (in review)
Viola sapporensis Franch. ex H.Boissieu Unresolved L WCSP (in review)
Viola sardagnae W.Becker Unresolved L WCSP (in review)
Viola sarmentosa Burgersd. Unresolved L WCSP (in review)
Viola sarmentosa M.Bieb. Unresolved L WCSP (in review)
Viola sarmentosa Douglas Unresolved L WCSP (in review)
Viola sarmentosa var. orbiculata (Geyer ex Hook.) A. Gray Synonym L TRO
Viola sarotina P.Fourn. Unresolved L WCSP (in review)
Viola savatieri Makino Accepted M TRO
Viola savatieri var. detonsa Kitag. Synonym L TRO
Viola savatieri f. detonsa (Kitag.) Kitag. Synonym L TRO
Viola × savourei H.Lév. Unresolved L WCSP (in review)
Viola saxatilis F.W.Schmidt Synonym M WCSP (in review)
Viola saxatilis subsp. curtisii (E.Forst.) Kirschner & Skalický Synonym L WCSP (in review)
Viola saxatilis subsp. polychroma (A.Kern.) Kirschner & Skalický Synonym L WCSP (in review)
Viola saxicola Schult. Unresolved L WCSP (in review)
Viola saxifraga Maire Unresolved L WCSP (in review)
Viola saxigena Schur Unresolved L WCSP (in review)
Viola scabra F.Braun Unresolved L WCSP (in review)
Viola scabrida Nakai Unresolved L WCSP (in review)
Viola scabriuscula Shafer Unresolved L WCSP (in review)
Viola scandens Humb. & Bonpl. ex Schult. Accepted M WCSP (in review)
Viola scandens var. hirtella L.B. Sm. & A. Fernández Synonym L TRO
Viola scanica Fr. Unresolved L WCSP (in review)
Viola scardica Nyman Unresolved L WCSP (in review)
Viola scaturiginosa Wallr. Unresolved L WCSP (in review)
Viola schachimardanica Khalk. Unresolved L WCSP (in review)
Viola schaffneriana W.Becker Unresolved L WCSP (in review)
Viola × schalmausenii Rouy & Foucaud Unresolved L WCSP (in review)
Viola schariensis Erben Accepted M WCSP (in review)
Viola × schauloi Vl.V.Nikitin Unresolved L WCSP (in review)
Viola schensiensis W. Becker Synonym M TRO
Viola × schlarlockii W.Becker Unresolved L WCSP (in review)
Viola schleidettiana Bogenh. Unresolved L WCSP (in review)
Viola schmidtiana Schult. Unresolved L WCSP (in review)
Viola schneideri W. Becker Synonym M TRO
Viola schoenachii Murr & Pôll Unresolved L WCSP (in review)
Viola schultzii Billot Synonym M WCSP (in review)
Viola schulzeana W. Becker Synonym M TRO
Viola sciaphila W.D.J.Koch Unresolved L WCSP (in review)
Viola sciaphila Joó ex Janka Unresolved L WCSP (in review)
Viola scopulorum (A. Gray) Greene Synonym M TRO
Viola scorpiuroides Coss. Accepted M WCSP (in review)
Viola scotophylla Jord. Synonym M WCSP (in review)
Viola scouleri Douglas ex Steud. Unresolved L WCSP (in review)
Viola scrotiformis DC. Synonym M TRO
Viola secedens Greene Synonym M TRO
Viola securigera Greene Unresolved L WCSP (in review)
Viola sedunensis F.O.Wolf Unresolved L WCSP (in review)
Viola segetalis Jord. Unresolved L WCSP (in review)
Viola × segniensis Gáyer & Degen Unresolved L WCSP (in review)
Viola segobricensis Pau Synonym M WCSP (in review)
Viola seleriana W. Becker Accepted M TRO
Viola selkirkii Pursh ex Goldie Accepted M WCSP (in review)
Viola selkirkii var. albiflora Nakai Synonym L TRO
Viola selkirkii var. angustistipulata W. Becker Synonym L TRO
Viola selkirkii var. brevicalcarata W. Becker Synonym L TRO
Viola selkirkii var. subbarbata W. Becker Synonym L TRO
Viola selkirkii var. variegata Nakai Synonym L TRO
Viola semilunaris W.Becker Unresolved L WCSP (in review)
Viola semperflorens Steud. Unresolved L WCSP (in review)
Viola sempervirens Greene Accepted M TRO
Viola sempervirens subsp. orbiculata (Geyer ex Hook.) M.S. Baker Accepted L TRO
Viola sempervirens var. orbiculata (Geyer ex Hook.) J.K. Henry Synonym L TRO
Viola sempervivum Gay Accepted M TRO
Viola senamiensis Nakai Unresolved L WCSP (in review)
Viola senecionis Greene Unresolved L WCSP (in review)
Viola senecta A. Nelson Synonym M TRO
Viola sennenii Pau Unresolved L WCSP (in review)
Viola senzanensis Hayata Accepted M TRO
Viola seoulensis Nakai Unresolved L WCSP (in review)
Viola sepincola Jord. Synonym M WCSP (in review)
Viola septemloba Leconte Accepted M TRO
Viola septemloba subsp. egglestonii (Brainerd) L.E. McKinney Accepted L TRO
Viola septemloba subsp. septemloba Synonym L TRO
Viola septempunctata Siehe ex Bornm. Unresolved L WCSP (in review)
Viola septentrionalis Greene Accepted M WCSP (in review)
Viola septentrionalis f. septentrionalis Synonym L TRO
Viola septentrionalis var. septentrionalis Synonym L TRO
Viola sequoiensis Kellogg Unresolved L WCSP (in review)
Viola serbica Formánek Unresolved L WCSP (in review)
Viola sergievskajae Tzvelev Synonym M WCSP (in review)
Viola sermenika Formánek Unresolved L WCSP (in review)
Viola serpens Wall. ex Ging. Synonym M TRO
Viola serpens var. canescens (Wall.) Hook. f. & Thomson Synonym L TRO
Viola serpens var. confusa (Champ. ex Benth.) Hook. f. & Thomson Synonym L TRO
Viola serpens subsp. gurhwalensis W. Becker Synonym L TRO
Viola serpens var. pseudoscotophylla Boiss. Synonym L TRO
Viola serpyllifolia Humb. & Bonpl. ex Schult. Unresolved L WCSP (in review)
Viola serresiana Erben Unresolved L WCSP (in review)
Viola serrula W. Becker Accepted M TRO
Viola setosa Sm. Unresolved L WCSP (in review)
Viola sfikasiana Erben Unresolved L WCSP (in review)
Viola sheltonii Torr. Accepted M TRO
Viola sheltonii var. biternata (Greene) A. Nelson Accepted L TRO
Viola shikokiana Makino Unresolved L WCSP (in review)
Viola shinchikuensis Yamam. Synonym M TRO
Viola sicula Schur Unresolved L WCSP (in review)
Viola sieberi Hook. Unresolved L WCSP (in review)
Viola sieberiana Spreng. Unresolved L WCSP (in review)
Viola sieboldi Maxim. Unresolved L TRO
Viola sieboldiana (Maxim.) Makino Synonym M TRO
Viola sieboldiana var. chaerophylloides (Regel) Nakai Synonym L TRO
Viola sieboldii Maxim. Unresolved L WCSP (in review)
Viola sieheana W.Becker Accepted M WCSP (in review)
Viola sikkimensis W. Becker Accepted M TRO
Viola sikkimensis var. debilis W. Becker Synonym L TRO
Viola silana Merino Unresolved L WCSP (in review)
Viola silicestris K.R.Thiele & Prober Unresolved L WCSP (in review)
Viola silvatica Fr. ex C.Hartm. Unresolved L WCSP (in review)
Viola silvatica var. adunca Kurtz Synonym L TRO
Viola silvestriformis W. Becker Synonym M TRO
Viola simulata M.S. Baker Accepted M TRO
Viola singularis J.M.Watson & A.R.Flores Unresolved L WCSP (in review)
Viola sintenisii W.Becker Unresolved L WCSP (in review)
Viola skanderbegii Dörfl. & Hayek Unresolved L WCSP (in review)
Viola skofitziana Wiesb. Unresolved L WCSP (in review)
Viola skottsbergiana Becker Accepted M TRO
Viola slavikii Formánek Unresolved L WCSP (in review)
Viola slavinii House Accepted M TRO
Viola × slesvicensis Prahl Unresolved L WCSP (in review)
Viola smithiana W. Becker Synonym M TRO
Viola × sokalensis Zapał. Unresolved L WCSP (in review)
Viola somalensis Engl. Unresolved L WCSP (in review)
Viola somchetica K.Koch Unresolved L WCSP (in review)
Viola soongorica Fisch. ex Ledeb. Unresolved L WCSP (in review)
Viola sordida Dalla Torre & Sarnth. Unresolved L WCSP (in review)
Viola sororia Willd. Accepted M TRO
Viola sororia subsp. affinis (Leconte) R.J. Little Accepted L TRO
Viola sororia var. affinis (Leconte) L.E. McKinney Synonym L TRO
Viola sororia var. grisea (Fernald) L.E. McKinney Accepted L TRO
Viola sororia var. missouriensis (Greene) L.E. McKinney Accepted L TRO
Viola sororia f. sororia Synonym L TRO
Viola sororia var. sororia Synonym L TRO
Viola sosnowskyi Kopell. Unresolved L WCSP (in review)
Viola spathulata Willd. ex Schult. Unresolved L WCSP (in review)
Viola speciosa Schrad. ex Rchb. Accepted M WCSP (in review)
Viola spectabilis K.Richt. Unresolved L WCSP (in review)
Viola spegazzinii W.Becker Unresolved L WCSP (in review)
Viola sphaerocarpa W. Becker Accepted M TRO
Viola splendida W.Becker Accepted M WCSP (in review)
Viola sprengeliana Steud. Unresolved L WCSP (in review)
Viola × spuria Čelak. Unresolved L WCSP (in review)
Viola squamulosa W.Becker Unresolved L WCSP (in review)
Viola stagnina Kit. Synonym M WCSP (in review)
Viola stagnira Kit. Unresolved L TRO
Viola steinbachii W. Becker Accepted M TRO
Viola stellata Miers Unresolved L WCSP (in review)
Viola stenantha Greene Unresolved L WCSP (in review)
Viola stenocentra Hayata ex Nakai Synonym M WCSP (in review)
Viola stevenii Besser ex Fauc. Unresolved L WCSP (in review)
Viola stewardiana W. Becker Accepted M TRO
Viola stipulacea Hartm. Unresolved L WCSP (in review)
Viola stipularis Sw. Accepted M WCSP (in review)
Viola stocksii Boiss. Accepted M TRO
Viola stojanowii W.Becker Accepted M WCSP (in review)
Viola stolonifera J.J.Rodr. Unresolved L WCSP (in review)
Viola stoloniflora Yokota & Higa Accepted M WCSP (in review)
Viola stoneana House Synonym M TRO
Viola striata Aiton Accepted M TRO
Viola striatella H. Boissieu Accepted M TRO
Viola stricta (Vent.) Poir. Accepted M TRO
Viola striis-notata (J.Wagner) Merxm. & W.Lippert Unresolved L WCSP (in review)
Viola × stuartii Bergmans Unresolved L WCSP (in review)
Viola stuebelii Hieron. Unresolved L WCSP (in review)
Viola suaveolens Schur Unresolved L WCSP (in review)
Viola suaveolens E.P.Perrier & Songeon Unresolved L WCSP (in review)
Viola × suaveolens Wiesb. Unresolved L WCSP (in review)
Viola × suaviflora Borbás & Heinr.Braun Unresolved L WCSP (in review)
Viola suavis M.Bieb. Accepted M WCSP (in review)
Viola suavis subsp. adriatica (Freyn) L.Haesler Synonym L WCSP (in review)
Viola suavis var. catalonica (W.Becker) Espeut Synonym L WCSP (in review)
Viola suavis subsp. catalonica (W.Becker) O.Bolòs & Vigo Synonym L WCSP (in review)
Viola suavis var. segobricensis (Pau) O.Bolòs & Vigo Synonym L WCSP (in review)
Viola suavissima Jord. Unresolved L WCSP (in review)
Viola subaffinis House Accepted M TRO
Viola subandina J.M.Watson Unresolved L WCSP (in review)
Viola subatlantica (Maire) Ibn Tattou Unresolved L WCSP (in review)
Viola subcarnea Jord. Unresolved L WCSP (in review)
Viola × subcollina Beck Unresolved L WCSP (in review)
Viola subcordata Greene Unresolved L WCSP (in review)
Viola subcrenata Phil. ex F.Meigen Unresolved L WCSP (in review)
Viola subdelavayi S.H. Huang Synonym M TRO
Viola subdimidiata A. St.-Hil. Accepted M TRO
Viola suberosa Desf. Unresolved L WCSP (in review)
Viola subglabra (Ledeb.) Baikov ex A.V.Grebenjuk & Czepinoga Unresolved L WCSP (in review)
Viola subglabrata Pôll ex W.Becker Unresolved L WCSP (in review)
Viola × subhirta Beck Unresolved L WCSP (in review)
Viola subjuncta Greene Unresolved L WCSP (in review)
Viola sublanceolata House Accepted M TRO
Viola suboderata Dalla Torre & Sarnth. Unresolved L WCSP (in review)
Viola × subodorata Borbás ex Murr Unresolved L WCSP (in review)
Viola subpubescens Borbás Unresolved L WCSP (in review)
Viola subrotunda Greene Unresolved L WCSP (in review)
Viola subsagittata Greene Synonym M TRO
Viola subsagittifolia Suksd. Unresolved L WCSP (in review)
Viola subsessilifolia Lázaro Iberia Unresolved L WCSP (in review)
Viola subsinuata (Greene) Greene Accepted M TRO
Viola subtilis Jord. Unresolved L WCSP (in review)
Viola subvestita Greene Unresolved L WCSP (in review)
Viola subviscosa Greene Unresolved L WCSP (in review)
Viola sudetica Willd. Synonym M WCSP (in review)
Viola sudetica var. calaminaria Ging. Synonym L WCSP (in review)
Viola suecica Fr. Unresolved L WCSP (in review)
Viola suffruticosa L. Synonym M TRO
Viola × sukaczewii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola sulfurea Cariot Unresolved L WCSP (in review)
Viola sumatrana Miq. Accepted M TRO
Viola summa Vell. Unresolved L WCSP (in review)
Viola superba M.S. Baker Accepted M TRO
Viola × superodorata Greg. Unresolved L WCSP (in review)
Viola sylvatica Fr. Unresolved L TRO
Viola sylvestris Lam. Synonym M TRO
Viola sylvestris var. candida (H. Boissieu) H. Lév. Synonym L TRO
Viola sylvestris var. grypoceras (A. Gray) Maxim. Synonym L TRO
Viola sylvestris subsp. turkestanica W. Becker Synonym L TRO
Viola symei Baker Unresolved L WCSP (in review)
Viola szetschwanensis W. Becker & H. Boissieu Accepted M TRO
Viola szetschwanensis var. kangdienensis Chang Synonym L TRO
Viola szetschwanensis var. nudicaulis W. Becker Synonym L TRO
Viola szetschwanensis var. szetschwanensis Synonym L TRO
Viola szilyana Borbás Unresolved L WCSP (in review)
Viola taischanensis C.J.Wang Unresolved L WCSP (in review)
Viola taishanensis Ching J. Wang Synonym M TRO
Viola taiwanensis W. Becker Synonym M TRO
Viola taiwaniana Nakai Synonym M WCSP (in review)
Viola × takahashii (Nakai) Taken. Synonym M TRO
Viola takahashii (Nakai) Taken. Synonym M TRO
Viola takasagoensis Koidz. Synonym M TRO
Viola takedana Makino Synonym M TRO
Viola takesimana Nakai Unresolved L WCSP (in review)
Viola × talmensis Vl.V.Nikitin Unresolved L WCSP (in review)
Viola taltalensis W.Becker Unresolved L WCSP (in review)
Viola tanaitica Grosset Accepted M WCSP (in review)
Viola tanakaeana Makino Unresolved L WCSP (in review)
Viola × taradakensis Nakai Unresolved L WCSP (in review)
Viola tarbagataica Klokov Unresolved L WCSP (in review)
Viola tashiroi Makino Unresolved L WCSP (in review)
Viola × tatrae Borbás Unresolved L WCSP (in review)
Viola taurica C.A.Mey. ex Regel Unresolved L WCSP (in review)
Viola tayemonii Hayata Synonym M TRO
Viola tectiflora W.Becker Unresolved L WCSP (in review)
Viola tenella Muhl. Synonym M TRO
Viola tenerrima Wiesb. ex Nyman Unresolved L WCSP (in review)
Viola tenorei N.Terracc. Unresolved L WCSP (in review)
Viola tenuicornis W. Becker Accepted M TRO
Viola tenuicornis var. brachytricha W. Becker Synonym L TRO
Viola tenuicornis subsp. primorskajensis W. Becker Synonym L TRO
Viola tenuicornis subsp. tenuicornis Synonym L TRO
Viola tenuicornis subsp. trichosepala W. Becker Accepted L TRO
Viola tenuipes Pollard Unresolved L WCSP (in review)
Viola tenuis Benth. Synonym M TRO
Viola tenuissima Chang Accepted M TRO
Viola teplouchovii Juz. Unresolved L WCSP (in review)
Viola × teresiana Sennen & Gonzalo Unresolved L WCSP (in review)
Viola × teriana Sennen Unresolved L WCSP (in review)
Viola teshioensis Miyabe & Tatew. Synonym M TRO
Viola × tessinensis W.Becker Unresolved L WCSP (in review)
Viola tetrapetala Molina Unresolved L WCSP (in review)
Viola teucriifolia Humb. & Bonpl. ex Schult. Unresolved L WCSP (in review)
Viola × texidoris Sennen & Gonzalo Unresolved L WCSP (in review)
Viola teydea Berthel. Unresolved L WCSP (in review)
Viola tezensis Ball Unresolved L WCSP (in review)
Viola thasia W.Becker Synonym L WCSP (in review)
Viola thesiifolia Juss. ex Poir. Synonym M TRO
Viola thessala Boiss. & Spruner Synonym M WCSP (in review)
Viola thianschanica Maxim. Synonym M TRO
Viola thibaudieri Franch. & Sav. Unresolved L WCSP (in review)
Viola thomasiana Songeon & E.P.Perrier Accepted M WCSP (in review)
Viola thompsoniae Chapm. Unresolved L WCSP (in review)
Viola thomsonii Oudem. Accepted M TRO
Viola thorii A. Nelson Synonym M TRO
Viola thymifolia Britton Accepted M TRO
Viola × tichomirovii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola tidestromii Greene Synonym M TRO
Viola tienschiensis W. Becker Accepted M TRO
Viola × tigirekica Vl.V.Nikitin Accepted M WCSP (in review)
Viola timbali Jord. Unresolved L WCSP (in review)
Viola tineorum Erben & Raimondo Unresolved L WCSP (in review)
Viola × tiroliensis Borbás Unresolved L WCSP (in review)
Viola tokubuchiana Makino Unresolved L WCSP (in review)
Viola tokubuchiana var. takedana (Makino) F. Maek. Unresolved L TRO
Viola tolosana Timb.-Lagr. Unresolved L WCSP (in review)
Viola tomentosa M.S. Baker & J.C. Clausen Accepted M TRO
Viola tonkinensis Gagnep. Unresolved L WCSP (in review)
Viola toppingii Elmer Unresolved L WCSP (in review)
Viola toroensis Martic. Accepted M TRO
Viola torresii Marcet Unresolved L WCSP (in review)
Viola tosaensis Nakai Unresolved L WCSP (in review)
Viola × tourbillonensis W.Becker Unresolved L WCSP (in review)
Viola tourbillonensis W.Becker Unresolved L WCSP (in review)
Viola tozanensis Hayata Synonym M TRO
Viola tracheliifolia Ging. Accepted M TRO
Viola transsilvanica Schur Unresolved L WCSP (in review)
Viola triangularifera Baker Unresolved L TRO
Viola triangulifolia W. Becker Accepted M TRO
Viola trichopetala C.C. Chang Accepted M TRO
Viola trichopoda Hayata Synonym M TRO
Viola trichosepala (W. Becker) Juz. Synonym M TRO
Viola tricolor L. Accepted M WCSP (in review)
Viola tricolor var. arvensis (Murray) DC. Synonym L WCSP (in review)
Viola tricolor subsp. curtisii (E.Forst.) Syme Accepted L WCSP (in review)
Viola tricolor var. hortensis DC. Synonym L TRO
Viola tricolor subsp. macedonica (Boiss. & Heldr.) Unresolved L WCSP (in review)
Viola tricolor subsp. matutina (Klokov) Unresolved L WCSP (in review)
Viola tricolor var. nana DC. Unresolved L WCSP (in review)
Viola tricolor subsp. subalpina Gaudin Accepted L WCSP (in review)
Viola tricolor f. tenella (Muhl.) Farw. Accepted L TRO
Viola tridentata Sm. Unresolved L WCSP (in review)
Viola tridentata Menzies ex DC. Unresolved L WCSP (in review)
Viola tridentina W.Becker Unresolved L WCSP (in review)
Viola trifida Spreng. Unresolved L WCSP (in review)
Viola triflabellata W.Becker Unresolved L WCSP (in review)
Viola triloba Schwein. Synonym M TRO
Viola triloba var. dilatata (Elliott) Brainerd Synonym L TRO
Viola triloba f. dilatata (Elliott) E.J. Palmer & Steyerm. Unresolved L TRO
Viola trinervata (Howell) Howell ex A. Gray Accepted M TRO
Viola trinervis Korth. Unresolved L WCSP (in review)
Viola trinitatis Losa Synonym L WCSP (in review)
Viola tripartita Elliott Accepted M TRO
Viola tripartita f. tripartita Synonym L TRO
Viola tripartita var. tripartita Synonym L TRO
Viola × tristicha Waisb. Unresolved L WCSP (in review)
Viola truncata W. Becker Synonym M TRO
Viola tsugitakaensis Masam. Synonym M TRO
Viola tuberifera Franch. Synonym M TRO
Viola tuberifera var. brevipedicellata S.Yung Chen Synonym L TRO
Viola tuberifera var. pseudopalustris H. Lév. Synonym L TRO
Viola tuberosa Steud. Unresolved L WCSP (in review)
Viola tucumanensis W.Becker Unresolved L WCSP (in review)
Viola turczaninowii Juz. Synonym M TRO
Viola turfosa Kirschl. ex F.J.Schultz Unresolved L WCSP (in review)
Viola turkestanica Regel & Schmalh. Accepted M TRO
Viola × tuvinica Vl.V.Nikitin Accepted M WCSP (in review)
Viola × tzvelevii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola ucriana Erben & Raimondo Unresolved L WCSP (in review)
Viola ugamica Juz. Unresolved L WCSP (in review)
Viola uleana W.Becker Unresolved L WCSP (in review)
Viola uliginosa Besser Accepted M WCSP (in review)
Viola umbellata Sessé & Moc. Unresolved L WCSP (in review)
Viola umbraticola Kunth Accepted M TRO
Viola umbrosa Fr. Synonym M WCSP (in review)
Viola umemurae Makino Unresolved L WCSP (in review)
Viola uncinulata Greene Synonym M TRO
Viola unguiculata Greene Unresolved L WCSP (in review)
Viola uniflora L. Accepted M WCSP (in review)
Viola uniflora subsp. lasczinskyi Zuev Synonym L WCSP (in review)
Viola uniflora var. orientalis Maxim. Synonym L TRO
Viola unwinii W.Becker Unresolved L WCSP (in review)
Viola urophylla Franch. Accepted M TRO
Viola urophylla var. urophylla Synonym L TRO
Viola ursina Kom. Synonym M TRO
Viola utahensis M.S. Baker & J.C. Clausen Accepted M TRO
Viola utahensis ms baker & jc clausen x beckwithii Torr. & A. Gray Unresolved L TRO
Viola utchinensis Koidz. Unresolved L WCSP (in review)
Viola vadimii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola vadutiensis Murr & Pôll Unresolved L WCSP (in review)
Viola vaginata Maxim. Unresolved L WCSP (in review)
Viola vaginata subsp. alata W. Becker Synonym L TRO
Viola vaginata var. sutchuensis Franch. ex H. Boissieu Synonym L TRO
Viola vagula Greene Unresolved L WCSP (in review)
Viola valderia All. Accepted M WCSP (in review)
Viola valdiviana Kalela Unresolved L WCSP (in review)
Viola valentiana W.Becker Unresolved L WCSP (in review)
Viola valesiaca Hausskn. ex Favrat Unresolved L WCSP (in review)
Viola vallenarensis Becker Accepted M TRO
Viola vallicola A. Nelson Accepted M TRO
Viola vallicola var. major (Hook.) Fabijan Synonym L TRO
Viola valvidiana Kalela Unresolved L TRO
Viola vandasii Velen. Unresolved L WCSP (in review)
Viola vanroyenii H.St.John Unresolved L WCSP (in review)
Viola variabilis Greene Synonym M TRO
Viola variata Jord. Unresolved L WCSP (in review)
Viola variegata Fisch. ex Link Accepted M TRO
Viola variegata var. chinensis Bunge ex Regel Synonym L TRO
Viola variegata f. ircutiana F. Maek. Synonym L TRO
Viola variegata var. viridis Kitag. Synonym L TRO
Viola variegata f. viridis (Kitag.) P.Y. Fu & Y.C. Teng Synonym L TRO
Viola variifrons Pôll Unresolved L WCSP (in review)
Viola × vaudensis Hausskn. ex Gremli Unresolved L WCSP (in review)
Viola vectensis Drabble Unresolved L WCSP (in review)
Viola velutina Formánek Unresolved L WCSP (in review)
Viola venezuelensis Steyerm. Synonym M WCSP (in review)
Viola venosa (S. Watson) Rydb. Synonym M TRO
Viola venusta Nakai Unresolved L WCSP (in review)
Viola venustula Greene Unresolved L WCSP (in review)
Viola verbascula Greene Unresolved L WCSP (in review)
Viola verecunda A. Gray Synonym M TRO
Viola verecunda f. hensoaensis Kudô & Sasaki Synonym L TRO
Viola verecunda f. radicans Makino Synonym L TRO
Viola verecunda var. semilunaris Maxim. Synonym L TRO
Viola × vermontana House Unresolved L WCSP (in review)
Viola veronicifolia Planch. & Linden Accepted M TRO
Viola versicolor Salisb. Unresolved L WCSP (in review)
Viola verticillata Ortega Synonym M TRO
Viola vespertilionis Greene Unresolved L WCSP (in review)
Viola vespertina Klokov Unresolved L WCSP (in review)
Viola viarum Pollard Accepted M WCSP (in review)
Viola × viatkensis Vl.V.Nikitin Unresolved L WCSP (in review)
Viola vicina Martrin-Donos Unresolved L WCSP (in review)
Viola vicinalis Greene Unresolved L WCSP (in review)
Viola vilaensis Hayek Synonym M WCSP (in review)
Viola villaquensis Benz Unresolved L WCSP (in review)
Viola villaris Sennen & Mauricio Unresolved L WCSP (in review)
Viola villarsiana Schult. Synonym M WCSP (in review)
Viola villosa Walter Accepted M TRO
Viola vilmoriniana Delacour & Mottet Unresolved L WCSP (in review)
Viola × vilnaensis W.Becker Unresolved L WCSP (in review)
Viola × vindobonensis Wiesb. Unresolved L WCSP (in review)
Viola vinealis Boreau Unresolved L WCSP (in review)
Viola violacea Makino Accepted M TRO
Viola virescens Jord. ex Boreau Unresolved L WCSP (in review)
Viola virgata Gren. Unresolved L WCSP (in review)
Viola × visseriana Bergmans Unresolved L WCSP (in review)
Viola vittata Greene Synonym M TRO
Viola vivariensis Jord. Unresolved L WCSP (in review)
Viola volcanica Gillies ex Hook. & Arn. Accepted M WCSP (in review)
Viola volcanica var. volcanica Synonym L TRO
Viola voliotisii Erben Unresolved L WCSP (in review)
Viola × vorarlbergensis W.Becker Unresolved L WCSP (in review)
Viola vourinensis Erben Unresolved L WCSP (in review)
Viola vranicensis Beck Unresolved L WCSP (in review)
Viola vulgaris Rupr. Unresolved L WCSP (in review)
Viola wahlenbergii Beurl. ex Nyman Unresolved L WCSP (in review)
Viola wailenalenae Skottsb. Accepted M TRO
Viola walkeri Wight Unresolved L WCSP (in review)
Viola wallichiana Ging. Accepted M TRO
Viola wallichiana subsp. brevicornis W. Becker Synonym L TRO
Viola walteri House Accepted M TRO
Viola walteri var. appalachiensis (L.K. Henry) L.E. McKinney Accepted L TRO
Viola walteri var. walteri Synonym L TRO
Viola wansanensis Y.N.Lee Unresolved L WCSP (in review)
Viola watsonii Greene Unresolved L WCSP (in review)
Viola × watsonii Druce Unresolved L WCSP (in review)
Viola weberbaueri W. Becker Accepted M TRO
Viola websteri Hemsl. Accepted M TRO
Viola weddellii W. Becker Synonym M TRO
Viola weibelii J.F. Macbr. Accepted M TRO
Viola weinhartii W.Becker Unresolved L WCSP (in review)
Viola weixiensis Ching J. Wang Synonym M TRO
Viola werdermannii W.Becker Unresolved L WCSP (in review)
Viola wettsteinii K.Richt. Unresolved L WCSP (in review)
Viola wichurae Nakai Unresolved L WCSP (in review)
Viola wiedemannii Boiss. Synonym M TRO
Viola wiesbauriana Dichtl Unresolved L WCSP (in review)
Viola × wiesbaurii Sabr. ex Nyman Unresolved L WCSP (in review)
Viola × wiesbaurii Sabr. Unresolved L WCSP (in review)
Viola wightiana Wall. Unresolved L WCSP (in review)
Viola × wilczekiana Beauverd Unresolved L WCSP (in review)
Viola × wilhelmii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola × wilibaldii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola willkommii R.Roem. ex Willk. Accepted M WCSP (in review)
Viola wilmattae A.Nelson Unresolved L WCSP (in review)
Viola wilmattiae Pollard & Cockerell Unresolved L TRO
Viola wilsonii W. Becker Synonym M TRO
Viola × wittrockiana Gams [Unplaced] Unresolved L WCSP (in review)
Viola wittrockiana Gams ex Nauenb. & Buttler Unresolved L WCSP (in review)
Viola wolffiana W.Becker Unresolved L WCSP (in review)
Viola woosanensis Y.N.Lee & J.Kim Unresolved L WCSP (in review)
Viola woroschilovii Bezd. Unresolved L WCSP (in review)
Viola wrightiana Watt Unresolved L WCSP (in review)
Viola × wujekii H.E.Ballard Unresolved L WCSP (in review)
Viola × wychensis Kloos Unresolved L WCSP (in review)
Viola xanthopetala Nakai Synonym M TRO
Viola xylorrhiza Suksd. Unresolved L WCSP (in review)
Viola yakusimana Nakai Unresolved L WCSP (in review)
Viola yamatsutae Ishid. ex Kitag. Synonym M TRO
Viola yatabei Makino Unresolved L WCSP (in review)
Viola yazawana Makino Unresolved L WCSP (in review)
Viola yedoensis Makino Synonym M WCSP (in review)
Viola yedoensis f. candida Kitag. Synonym L WCSP (in review)
Viola yedoensis f. intermedia Kitag. Synonym L TRO
Viola yedoensis var. pseudojaponica (Nakai) Hashim. ex E.Hama Synonym L WCSP (in review)
Viola yezoensis Maxim. Accepted M TRO
Viola yezoensis var. hebeiensis J.W. Wang & J. Yang Synonym L TRO
Viola yezoensis var. yezoensis Synonym L TRO
Viola yildirimlii Dinç & Bağcı Unresolved L WCSP (in review)
Viola yubariana Nakai Unresolved L WCSP (in review)
Viola yunnanensis W. Becker & H. Boissieu Accepted M TRO
Viola yunnanfuensis W. Becker Accepted M TRO
Viola × yurii Vl.V.Nikitin Unresolved L WCSP (in review)
Viola yuzufelensis A.P.Khokhr. Unresolved L WCSP (in review)
Viola zahnii Benz Unresolved L WCSP (in review)
Viola × zapalowiczii Żmuda Unresolved L WCSP (in review)
Viola zarencznyi Zapał. Unresolved L WCSP (in review)
Viola zongia Tul. Synonym M TRO
Viola × zophodes K.R.Thiele & Prober Unresolved L WCSP (in review)
Viola zoysii Wulfen Synonym M WCSP (in review)
Viola zoysii var. frondosa Velen. Synonym L WCSP (in review)