A-to-Z List Essential Oils from the Viola Species of Plants:

Species of the Viola genera:

Viola abbreviata
Viola abyssinica
Viola acanthophylla
Viola accrescens
Viola acrocerauniensis
Viola acuminata
Viola acuminata var. pilifera
Viola acutifolia
Viola adenothrix
Viola adenothrix var. tsugitakaensis
Viola adunca
Viola adunca var. bellidifolia
Viola aethnensis
Viola aethnensis subsp. aethnensis
Viola aethnensis subsp. messanensis
Viola aethnensis subsp. splendida
Viola aetolica
Viola affinis
Viola aizoon
Viola alaica
Viola alba
Viola alba subsp. alba
Viola alba subsp. bonaefidei
Viola alba subsp. cretica
Viola alba subsp. dehnhardtii
Viola alba subsp. neusii
Viola alba subsp. scotophylla
Viola alba subsp. sintenisii
Viola albida
Viola alburnica
Viola alexandrowiana
Viola alexejana
Viola alicus
Viola allchariensis
Viola allchariensis subsp. allchariensis
Viola allchariensis subsp. gostivarensis
Viola alliariifolia
Viola allochroa
Viola alpina
Viola altaica
Viola amamiana
Viola ambigua
Viola amiatina
Viola anagae
Viola angkae
Viola angustifolia
Viola anitae
Viola annamensis
Viola araucaniae
Viola arborescens
Viola arcuata
Viola arcuata subsp. amurica
Viola arcuata subsp. arcuata
Viola arcuata subsp. verecunda
Viola argenteria
Viola argentina
Viola arguta
Viola arsenica
Viola arvensis
Viola arvensis subsp. andina
Viola arvensis subsp. arvensis
Viola arvensis subsp. megalantha
Viola athois
Viola atropurpurea
Viola aurantiaca
Viola aurata
Viola auricolor
Viola auriculata
Viola austrosinensis
Viola awagatakensis
Viola babunensis
Viola bakeri
Viola balansae
Viola balcanica
Viola bangii
Viola banksii
Viola baoshanensis
Viola barhalensis
Viola barkalovii
Viola barroetana
Viola beamanii
Viola beati
Viola beckeriana
Viola beckiana
Viola beckwithii
Viola bertolonii
Viola betonicifolia
Viola betonicifolia f. pubescens
Viola betonicifolia subsp. betonicifolia
Viola betonicifolia subsp. nagasakiensis
Viola betonicifolia subsp. novaguineensis
Viola betonicifolia var. albescens
Viola betonicifolia var. cordifolia
Viola betonicifolia var. oblongosagittata
Viola betonicifolia var. yuanfengia
Viola bhutanica
Viola bicolor
Viola biflora
Viola biflora var. carlottae
Viola biflora var. rockiana
Viola binayensis
Viola bissetii
Viola blanda
Viola bocquetiana
Viola boissieuana
Viola boliviana
Viola bornmuelleri
Viola brachypetala
Viola brachyphylla
Viola breviflora
Viola brevistipulata
Viola brevistipulata var. acuminata
Viola brevistipulata var. crassifolia
Viola brevistipulata var. hidakana
Viola brevistipulata var. laciniata
Viola bridgesii
Viola brittoniana
Viola bubanii
Viola buchtienii
Viola bulbosa
Viola bulbosa subsp. bulbosa
Viola bulbosa subsp. tuberifera
Viola bustillosia
Viola calabra
Viola calcarata
Viola calcarata subsp. calcarata
Viola calcarata subsp. cavillieri
Viola calcarata subsp. villarsiana
Viola calchaquiensis
Viola calcicola
Viola calderensis
Viola caleyana
Viola cameleo
Viola cameleo var. gongshanensis
Viola canadensis
Viola canadensis var. rugulosa
Viola canadensis var. scopulorum
Viola canescens
Viola canina
Viola canina subsp. canina
Viola canina subsp. contracta
Viola canina subsp. einseleana
Viola canina subsp. silvensis
Viola canobarbata
Viola capillaris
Viola capillaris var. araucana
Viola capillaris var. dumetorum
Viola caspia
Viola cassinensis
Viola cassinensis subsp. cassinensis
Viola cassinensis subsp. lucana
Viola cassinensis subsp. pseudogracilis
Viola castillonii
Viola caucasica
Viola cazorlensis
Viola cenisia
Viola cephalonica
Viola cerasifolia
Viola cervatiana
Viola chaerophylloides
Viola chaerophylloides var. sieboldiana
Viola chamaedrys
Viola chamissoniana
Viola chamissoniana subsp. chamissoniana
Viola chamissoniana subsp. robusta
Viola chamissoniana subsp. tracheliifolia
Viola changii
Viola charlestonensis
Viola chassanica
Viola cheeseana
Viola cheiranthifolia
Viola chejuensis
Viola chelmea
Viola chelmea subsp. chelmea
Viola chelmea subsp. vratnikensis
Viola cilentana
Viola cilicica
Viola cinerea
Viola cinerea var. erythraea
Viola cinerea var. stocksii
Viola clauseniana
Viola cochranei
Viola collina
Viola collina var. glabricarpa
Viola collina var. intramongolica
Viola columnaris
Viola commersonii
Viola comollia
Viola concordifolia
Viola confertifolia
Viola congesta
Viola cornuta
Viola coronifera
Viola corralensis
Viola corsica
Viola cotyledon
Viola crassa
Viola crassifolia
Viola crassiuscula
Viola cryana
Viola cuatrecasasii
Viola cucullata
Viola cuicochensis
Viola culminis
Viola cuneata
Viola cunninghamii
Viola curicoensis
Viola curtisiae
Viola cuspidifolia
Viola cyathiformis
Viola czemalensis
Viola dacica
Viola dactyloides
Viola dactyloides var. calcicola
Viola dalatensis
Viola dandoisiorum
Viola danielae
Viola dasyphylla
Viola davidii
Viola decipiens
Viola declinata
Viola decumbens
Viola decumbens var. scrotiformis
Viola delavayi
Viola delphinantha
Viola demetria
Viola denizliensis
Viola diamantiaca
Viola dichroa
Viola diffusa
Viola diffusa subsp. apoensis
Viola diffusa subsp. diffusa
Viola dimorphophylla
Viola dirimliensis
Viola dirphya
Viola disjuncta
Viola dissecta
Viola dissecta var. incisa
Viola diversifolia
Viola doerfleri
Viola dombeyana
Viola domeykoana
Viola domingensis
Viola douglasii
Viola dubyana
Viola duclouxii
Viola dukadjinica
Viola dyris
Viola ecuadorensis
Viola egglestonii
Viola egra
Viola eizanensis
Viola elatior
Viola elegantula
Viola eminens
Viola eminii
Viola eminii var. duriprati
Viola enmae
Viola epipsila
Viola epipsila subsp. epipsila
Viola epipsila subsp. palustroides
Viola epipsila var. repens
Viola epirota
Viola ermenekensis
Viola escarapela
Viola etrusca
Viola euboea
Viola eugeniae
Viola eugeniae subsp. eugeniae
Viola eugeniae subsp. levieri
Viola evae
Viola evae var. flossdorfii
Viola eximia
Viola eximia subsp. eximia
Viola eximia subsp. tringiana
Viola exsul
Viola farkasiana
Viola faurieana
Viola fedtschenkoana
Viola fedtschenkoana var. muzaffarabadensis
Viola ferdinandea
Viola ferrarinii
Viola ferreyrae
Viola filicaulis
Viola fischeri
Viola fissifolia
Viola flagelliformis
Viola flavicans
Viola flettii
Viola flos-evae
Viola flos-idae
Viola fluehmannii
Viola formosana
Viola formosana var. kawakamii
Viola forrestiana
Viola forskaalii
Viola fragrans
Viola frank-smithii
Viola friderici
Viola frigida
Viola frondosa
Viola frusinatae
Viola fuscifolia
Viola fuscoviolacea
Viola galeanaensis
Viola gan-chouenensis
Viola ganiatsasii
Viola gaviolii
Viola gelida
Viola germainii
Viola glabella
Viola glacialis
Viola glandularis
Viola glechomoides
Viola gmeliniana
Viola godoyae
Viola gracilis
Viola gracillima
Viola graeca
Viola grahamii
Viola grandisepala
Viola granulosa
Viola grayi
Viola grisebachiana
Viola grypoceras
Viola grypoceras var. exilis
Viola grypoceras var. hichitoana
Viola grypoceras var. rhizomata
Viola grypoceras var. ripensis
Viola guadalupensis
Viola guangzhouensis
Viola guatemalensis
Viola guaxarensis
Viola hallii
Viola hamiltoniana
Viola hancockii
Viola hastata
Viola hederacea
Viola hederacea subsp. cleistogamoides
Viola hederacea subsp. hederacea
Viola hederacea subsp. seppeltiana
Viola hederacea subsp. sieberiana
Viola hediniana
Viola heldreichiana
Viola helenae
Viola hemsleyana
Viola henryi
Viola herzogii
Viola hieronymi
Viola hillii
Viola hirsutula
Viola hirta
Viola hirtipes
Viola hispida
Viola hissarica
Viola hondoensis
Viola hookeriana
Viola howellii
Viola huesoensis
Viola huidobrii
Viola huizhouensis
Viola hultenii
Viola humilis
Viola hunanensis
Viola hybanthoides
Viola hymettia
Viola ilvensis
Viola improcera
Viola improvisa
Viola inconspicua
Viola indica
Viola indica f. barbata
Viola ingolensis
Viola irinae
Viola isaurica
Viola ivonis
Viola iwagawae
Viola jalapaensis
Viola jangiensis
Viola japonica
Viola jaubertiana
Viola javanica
Viola jeniseensis
Viola jinggangshanensis
Viola joergensenii
Viola johnstonii
Viola jooi
Viola jordanii
Viola jordanii var. falconeri
Viola karakalensis
Viola karlreicheana
Viola kauaensis
Viola kauaensis var. hosakae
Viola kauaensis var. wahiawaensis
Viola keiskei
Viola kermesina
Viola kiangsiensis
Viola kitaibeliana
Viola kitamiana
Viola kizildaghensis
Viola kjellbergii
Viola kopaonikensis
Viola koritnicensis
Viola kosanensis
Viola kosaninii
Viola kunawarensis
Viola kusanoana
Viola kusanoana f. subrosea
Viola kusnezowiana
Viola labradorica
Viola lactea
Viola lactiflora
Viola lainzii
Viola lanaiensis
Viola lanceolata
Viola langeana
Viola langsdorfii
Viola langsdorfii subsp. langsdorfii
Viola langsdorfii subsp. sachalinensis
Viola lanifera
Viola laricicola
Viola lehmannii
Viola leyboldiana
Viola libanotica
Viola lilliputana
Viola lilloana
Viola limbarae
Viola lithion
Viola livonica
Viola llullaillacoensis
Viola lobata
Viola lobata var. integrifolia
Viola lologensis
Viola longipetiolata
Viola lucens
Viola lungtungensis
Viola lutea
Viola lutea subsp. calaminaria
Viola lutea subsp. lutea
Viola lutea subsp. sudetica
Viola lyallii
Viola macedonica
Viola macedonica subsp. bosniaca
Viola macedonica subsp. macedonica
Viola macloskeyi
Viola macroceras
Viola maculata
Viola maculata var. microphyllos
Viola maculata var. popetae
Viola magellanica
Viola magellensis
Viola magnifica
Viola majchurensis
Viola mandonii
Viola mandshurica
Viola mandshurica var. ikedaeana
Viola mandshurica var. triangularis
Viola maoershanensis
Viola marcelorosasii
Viola maroccana
Viola mauritii
Viola maviensis
Viola maximowicziana
Viola maymanica
Viola mearnsii
Viola membranacea
Viola mercurii
Viola merrilliana
Viola merxmuelleri
Viola metajaponica
Viola miaolingensis
Viola micranthella
Viola microcentra
Viola milanae
Viola minor
Viola minuta
Viola minuta subsp. dagestanica
Viola minuta subsp. meyeriana
Viola minuta subsp. minuta
Viola minutiflora
Viola mirabilis
Viola missouriensis
Viola modesta
Viola modestula
Viola molisana
Viola monbeigii
Viola mongolica
Viola montagnei
Viola montagnei var. glandulosa
Viola montcaunica
Viola moupinensis
Viola mucronulifera
Viola muehldorfii
Viola muliensis
Viola munbyana
Viola munozensis
Viola murronensis
Viola muscoides
Viola nagasawai
Viola nagasawai var. pricei
Viola nanlingensis
Viola nannae
Viola nannei
Viola nantouensis
Viola nassauvioides
Viola nebrodensis
Viola nephrophylla
Viola niederleinii
Viola nitida
Viola nobilis
Viola novae-angliae
Viola nubigena
Viola nuda
Viola nujiangensis
Viola nummulariifolia
Viola nuttallii
Viola oahuensis
Viola oblonga
Viola obtusa
Viola obtusa var. tsuifengensis
Viola occulta
Viola ocellata
Viola odontocalycina
Viola odorata
Viola odorata subsp. maderensis
Viola odorata subsp. odorata
Viola odorata subsp. stolonifera
Viola oligoceps
Viola oligyrtia
Viola olla
Viola orbelica
Viola orbiculata
Viola oreades
Viola orientalis
Viola orphanidis
Viola orphanidis subsp. crinita
Viola orphanidis subsp. nicolai
Viola orphanidis subsp. orphanidis
Viola orthoceras
Viola ovalleana
Viola ovatooblonga
Viola oxyodontis
Viola pachyrrhiza
Viola pacifica
Viola painteri
Viola pallascaensis
Viola palmata
Viola palmata var. heterophylla
Viola palmensis
Viola palustris
Viola palustris subsp. palustris
Viola palustris subsp. pubifolia
Viola papuana
Viola paradoxa
Viola parnonia
Viola parvula
Viola patrinii
Viola pedata
Viola pedata var. ranunculifolia
Viola pedatifida
Viola pedunculata
Viola pentadactyla
Viola pentadactyla subsp. hierosolymitana
Viola pentadactyla subsp. pentadactyla
Viola perinensis
Viola perreniformis
Viola petelotii
Viola petraea
Viola phalacrocarpa
Viola philippiana
Viola philippica
Viola philippica var. pseudojaponica
Viola philippii
Viola philippii var. arbuscula
Viola phitosiana
Viola pilosa
Viola pinetorum
Viola pinetorum var. grisea
Viola pinnata
Viola pitouchaoensis
Viola placida
Viola pluviae
Viola poetica
Viola polycephala
Viola polyodonta
Viola polypoda
Viola portalesia
Viola portalesia var. integerrima
Viola portulacea
Viola praemorsa
Viola praemorsa var. flavovirens
Viola praemorsa var. linguifolia
Viola prenja
Viola primorskajensis
Viola primulifolia
Viola primulifolia var. occidentalis
Viola principis
Viola prionantha
Viola prionantha subsp. confusa
Viola prionantha subsp. jaunsariensis
Viola prionantha subsp. prionantha
Viola producta
Viola pseudaetolica
Viola pseudograeca
Viola pseudovulcanica
Viola pubescens
Viola pubescens var. scabriuscula
Viola pulvinata
Viola pumila
Viola purpurea
Viola purpurea var. aurea
Viola purpurea var. dimorpha
Viola purpurea var. integrifolia
Viola purpurea var. mesophyta
Viola purpurea var. mohavensis
Viola purpurea var. venosa
Viola pusilla
Viola pusillima
Viola pygmaea
Viola pyrenaica
Viola quercetorum
Viola raddeana
Viola ramiflora
Viola ramosiana
Viola rauliniana
Viola raunsiensis
Viola rausii
Viola regina
Viola reichei
Viola reichenbachiana
Viola renifolia
Viola replicata
Viola rheophila
Viola rhodopeia
Viola rhodopeia var. congesta
Viola rhombifolia
Viola riviniana
Viola roccabrunensis
Viola rodriguezii
Viola roigii
Viola rossii
Viola rossowiana
Viola rostrata
Viola rostrata var. japonica
Viola rosulata
Viola rotundifolia
Viola rubella
Viola rubromarginata
Viola rudolfii
Viola rudolphii
Viola rugosa
Viola rupestris
Viola rupestris subsp. orioli-bolosii
Viola rupestris subsp. rupestris
Viola rupestris var. himalayensis
Viola rupicola
Viola ruppii
Viola saccata
Viola sacchalinensis
Viola sacculus
Viola sagittata
Viola sagittata var. ovata
Viola samothracica
Viola sandrasea
Viola sandrasea subsp. cilicica
Viola sandrasea subsp. sandrasea
Viola santiagoensis
Viola saxifraga
Viola scandens
Viola schachimardanica
Viola schariensis
Viola schensiensis
Viola schneideri
Viola schultzii
Viola scorpiuroides
Viola seleriana
Viola selkirkii
Viola sempervirens
Viola sempervivum
Viola senzanensis
Viola septemloba
Viola sequeirae
Viola serpentinicola
Viola serresiana
Viola sfikasiana
Viola shaoyoukengensis
Viola sheltonii
Viola shikokiana
Viola shinchikuensis
Viola sieboldii
Viola sieboldii var. litoralis
Viola sieheana
Viola sikkimensis
Viola silicestris
Viola singularis
Viola sirinica
Viola skanderbegii
Viola skottsbergiana
Viola slavikii
Viola somchetica
Viola sororia
Viola spathulata
Viola spathulata var. delirensis
Viola spathulata var. latifolia
Viola spegazzinii
Viola sphaerocarpa
Viola stagnina
Viola steinbachii
Viola stewardiana
Viola stipularis
Viola stojanovii
Viola stoloniflora
Viola striata
Viola striis-notata
Viola suavis
Viola suavis subsp. adriatica
Viola suavis subsp. austrodalmatica
Viola suavis subsp. barceloi
Viola suavis subsp. suavis
Viola subandina
Viola subasica
Viola subatlantica
Viola subdimidiata
Viola subsinuata
Viola sumatrana
Viola szetschwanensis
Viola taltalensis
Viola taltalensis var. glaberrima
Viola tanaitica
Viola tarbagataica
Viola tashiroi
Viola tectiflora
Viola tenuicornis
Viola tenuicornis subsp. tenuicornis
Viola tenuicornis subsp. trichosepala
Viola tenuissima
Viola teplouchovii
Viola thasia
Viola thibaudieri
Viola thomasiana
Viola thomsonii
Viola thymifolia
Viola tineorum
Viola tokubuchiana
Viola tokubuchiana var. takedana
Viola tomentosa
Viola tonkinensis
Viola tovarii
Viola triangulifolia
Viola trichopetala
Viola tricolor
Viola tricolor subsp. alpestris
Viola tricolor subsp. curtisii
Viola tricolor subsp. maritima
Viola tricolor subsp. matutina
Viola tricolor subsp. polychroma
Viola tricolor subsp. tricolor
Viola tridentata
Viola triflabellata
Viola trinervata
Viola tripartita
Viola trochlearis
Viola truncata
Viola truncata var. glaberrima
Viola tucumanensis
Viola turkestanica
Viola turritella
Viola ucriana
Viola uliginosa
Viola umbraticola
Viola umbraticola var. glaberrima
Viola umphangensis
Viola unica
Viola uniflora
Viola uniflora subsp. lasczinskyi
Viola uniflora subsp. uniflora
Viola uniquissima
Viola unwinii
Viola urophylla
Viola urophylla var. densivillosa
Viola utahensis
Viola utchinensis
Viola vadimii
Viola vaginata
Viola valderia
Viola vallenarensis
Viola vallicola
Viola variegata
Viola vectoris
Viola velutina
Viola veronicifolia
Viola villosa
Viola violacea
Viola violella
Viola volcanica
Viola volcanica var. chillanensis
Viola volcanica var. exilis
Viola voliotisii
Viola vorobievii
Viola vourinensis
Viola vulturis
Viola wailenalenae
Viola wallichiana
Viola walteri
Viola walteri var. appalachiensis
Viola weberbaueri
Viola websteri
Viola weibelii
Viola werdermannii
Viola werdermannii var. glaberrima
Viola willkommii
Viola woroschilovii
Viola wrightiana
Viola wulingensis
Viola xanthopotamica
Viola yamatsutai
Viola yazawana
Viola yedoensis
Viola yezoensis
Viola yildirimlii
Viola yunnanensis
Viola yunnanfuensis
Viola yuzufelensis
Viola zoysii
Viola × adulterina
Viola × ajtayana
Viola × albiensis
Viola × albimaritima
Viola × albovii
Viola × alpigena
Viola × anceps
Viola × babiogorensis
Viola × bachtschisaraensis
Viola × badensis
Viola × balearica
Viola × basilensis
Viola × batava
Viola × bavarica
Viola × beebyi
Viola × berggrenii
Viola × bernardii
Viola × bernoulliana
Viola × bessarabica
Viola × bethkeana
Viola × bethkei
Viola × bissellii
Viola × blaxlandiae
Viola × borsodiensis
Viola × borussica
Viola × brandisii
Viola × brauniae
Viola × braunii
Viola × braunii subsp. braunii
Viola × braunii subsp. zinserlingii
Viola × brevicornis
Viola × bulgarica
Viola × burnatii
Viola × caninaeformis
Viola × canninefas
Viola × carinthiaca
Viola × carpatica
Viola × cebennensis
Viola × champlainensis
Viola × chenevardii
Viola × chrysantha
Viola × cluniensis
Viola × colliniformis
Viola × conjugens
Viola × consobrina
Viola × consocia
Viola × contempta
Viola × contempta subsp. bohemica
Viola × contempta subsp. contempta
Viola × cooperrideri
Viola × coquoziana
Viola × cordifolia
Viola × cracoviensis
Viola × curnowi
Viola × davisii
Viola × desetangsii
Viola × digenea
Viola × dissita
Viola × doii
Viola × duffortii
Viola × eamesii
Viola × eclipes
Viola × eichenfeldii
Viola × eizasieboldii
Viola × ekstroemiana
Viola × filicetorum
Viola × fouilladei
Viola × fujisanensis
Viola × funesta
Viola × ganeschinii
Viola × gerstlaueri
Viola × glabrescens
Viola × gloggnitzensis
Viola × godlewskii
Viola × gotlandica
Viola × granitica
Viola × greatrexii
Viola × greenmanii
Viola × gremblichii
Viola × grubovii
Viola × guitteanae
Viola × hallieri
Viola × helvetica
Viola × heterocarpa
Viola × hirtiformis
Viola × hiyamae
Viola × hollickii
Viola × holsatica
Viola × hortorum
Viola × hungarica
Viola × hyperborea
Viola × hyrcanica
Viola × ibukiana
Viola × igoschinae
Viola × incissecta
Viola × insessa
Viola × insignis
Viola × insolita
Viola × interjecta
Viola × intersita
Viola × jaborneggii
Viola × jaccardii
Viola × jindoensis
Viola × josephii
Viola × juzepczukii
Viola × kalksburgensis
Viola × karakulensis
Viola × kerneri
Viola × keterocarpa
Viola × kisoana
Viola × koehleri
Viola × kozo-poljanskii
Viola × krascheninnikoviorum
Viola × kupcokiana
Viola × kupfferiana
Viola × lacaitaeana
Viola × lacmonica
Viola × lambertii
Viola × leucopetala
Viola × lovelliana
Viola × luciae
Viola × luganensis
Viola × magna
Viola × malteana
Viola × malvesini
Viola × mantziana
Viola × marcetii
Viola × marihelenae
Viola × markensteinensis
Viola × markgrafii
Viola × martii
Viola × martinii
Viola × matczkasensis
Viola × matczkasensis subsp. matczkasensis
Viola × matczkasensis subsp. saburensis
Viola × medelii
Viola × megapolitana
Viola × melissifolia
Viola × menitzkii
Viola × merkensteiniensis
Viola × mielnicensis
Viola × mira
Viola × mirabiliformis
Viola × mistura
Viola × modesta
Viola × mollicula
Viola × mollis
Viola × montfortensis
Viola × mulfordiae
Viola × multicaulis
Viola × murbeckii
Viola × najadum
Viola × napae
Viola × nataliae
Viola × neglectiformis
Viola × neilreichiana
Viola × neilreichii
Viola × nemenyiana
Viola × neumanniana
Viola × nikitinii
Viola × notabilis
Viola × obtusoacuminata
Viola × obtusogrypoceras
Viola × oenensis
Viola × oenipontana
Viola × ogawae
Viola × okuharae
Viola × olimpia
Viola × orophila
Viola × pacheri
Viola × paxiana
Viola × perplexa
Viola × peterfii
Viola × poltavensis
Viola × polysecta
Viola × popovae
Viola × popovae subsp. popovae
Viola × popovae subsp. romankoshica
Viola × populifolia
Viola × porteriana
Viola × preywischiana
Viola × pseudomakinoi
Viola × pseudosilvatica
Viola × pynzarii
Viola × radians
Viola × ravida
Viola × redacta
Viola × regeliana
Viola × reschetnikovae
Viola × rhaetica
Viola × riloensis
Viola × ritschliana
Viola × robinsoniana
Viola × rupestriformis
Viola × rupestriformis subsp. kovenensis
Viola × rupestriformis subsp. rupestriformis
Viola × ruprechtiana
Viola × ryoniae
Viola × salvatoriana
Viola × sanensis
Viola × sardagnae
Viola × savatieri
Viola × scabra
Viola × schauloi
Viola × schlarlockii
Viola × schmalhauseni
Viola × schoenachii
Viola × sedunensis
Viola × segniensis
Viola × semseyana
Viola × serpens
Viola × silana
Viola × skofitziana
Viola × slavinii
Viola × slesvicensis
Viola × sokalensis
Viola × spuria
Viola × suaveolens
Viola × subaffinis
Viola × subcollina
Viola × subglabrata
Viola × subhirta
Viola × sublanceolata
Viola × subodorata
Viola × sukaczewii
Viola × takahashii
Viola × talmensis
Viola × taradakensis
Viola × tatrae
Viola × tenuis
Viola × tessinensis
Viola × tichomirovii
Viola × tigirekica
Viola × tiroliensis
Viola × torslundensis
Viola × tourbillonensis
Viola × tristicha
Viola × tuvinica
Viola × tzvelevii
Viola × uechtritziana
Viola × umbrosa
Viola × vadutiensis
Viola × vaudensis
Viola × viarum
Viola × viatkensis
Viola × villaquensis
Viola × vilnaensis
Viola × vindobonensis
Viola × vorarlbergensis
Viola × wiesbaurii
Viola × wilczekiana
Viola × wilhelmii
Viola × wittrockiana
Viola × wujekii
Viola × yurii
Viola × zapalowiczii
Viola × zophodes
Viola × zwienenii

A-to-Z List Essential Oils from the Viola Species of Plants:

Species of the Viola genera:

Violet Leaf