Ranunculus is a genus of about 1,700 species of plants in the Ranunculaceae. Members of the genus include the buttercups, spearworts and water crowfoots.

Selected species

A Species & synonyms Common names Native range IllustrationRanunculus abaensis = R. indivisus var. abaensisR. abaensis Tropicos.org. Missouri Botanical Garden. 21 December 2011Ranunculus abchasicus Ranunculus abnormis Iberian PeninsulaRanunculus abortivus var. abortivus var. australis ssp. acrolasius = R. abortivus var. acrolasius = R. abortivus var. eucyclus = R. abortivus var. indivisus = R. abortivus var. harveyi = R. harveyiR. abortivus Tropicos.org. Missouri Botanical Garden. 21 December 2011 Little-leaf buttercup Small-flower crowfoot Kidney-leaf buttercup Small-flowered buttercup North America Ranunculus acaulis Dune buttercup Sand buttercup Shore buttercup New ZealandRanunculus acer = Ranunculus acrisRanunculus acetosellifolius Southwestern EuropeRanunculus aconitifolius Aconite-leaf buttercup Europe Ranunculus acraeus New ZealandRanunculus acriformis Sharpleaf buttercup North America var. acriformis Sharpleaf buttercup USA (Colorado, Wyoming) var. aestivalis Autumn buttercupvar. aestivalis Flora of North America, Vol. 3. 21 December 2011 Autumn sharp buttercup Autumn-fir buttercup Fall buttercup USA (Utahvar. aestivalis Tropicos.org. Missouri Botanical Garden. 21 December 2011) var. montanensis Mountain sharp buttercup USA (Idaho, Montana, Utah, Washington, Wyoming)Ranunculus acris var. acris var. frigidus Common buttercup Meadow buttercup Tall buttercup Temperate Eurasia var. aestivalis = R. acriformis var. aestivalis ssp. borealis = R. borealis ssp. glabriusculus = R. glabriusculus ssp. japonicus = R. japonicus var. japonicus = R. japonicus var. latisectus = R. acris var. monticola = R. paishanensisRanunculus acutidentatus = Ranunculus acutilobusRanunculus acutilobus Ranunculus adoneus var. adoneus var. alpinus ssp. huetii Alpine buttercup North America (Rocky Mountains) Ranunculus adoxifolius Hand.-Mazz. Ranunculus aduncus Gren. Ranunculus aestivalis = R. acriformis var. aestivalis Ranunculus ageri Ranunculus albertii Ranunculus alismellus = R. alismifolius var. alismellus Ranunculus alismifolius var. alismellus var. alismifolius var. davisii var. hartwegii var. lemmonii var. montanus Plantainleaf buttercup Western North America Ranunculus allegheniensis Allegheny Mountain buttercup Eastern North AmericaRanunculus allenii Allen's buttercup Northern Canada Ranunculus alpestris Alpine buttercup Europe Ranunculus ambigens Waterplantain spearwort Eastern North America Ranunculus amphitrichus Small river buttercup Southeastern AustraliaRanunculus amplexicaulis Clasping-leaf buttercup Iberian PeninsulaR. amplexicaulis Global Biodiversity Information Facility (GBIF)Ranunculus amplus Lacey River buttercup Victoria, Australia Ranunculus andersonii A. Gray var. andersonii var. juniperinus (Jones) S.L.Welsh var. tenellus S.Watson Anderson's buttercup Western United StatesRanunculus anemoneus Anemone buttercup Alpine regions of southeastern Australia Ranunculus anemonifolius = Ranunculus elegans Ranunculus aquatilis var. aquatilis var. arcticus var. diffusus Common water-crowfoot White water-crowfoot Europe Africa North America Ranunculus arizonicus var. arizonicus var. subsagittatus var. subaffinis = R. inamoenus var. subaffinis Arizona buttercupSouthwestern United States Mexico Ranunculus arvensis var. arvensis var. tuberculatus var. echinatissimus = R. arvensis Corn buttercup Devil-on-all-sides Scratch bur Europe Ranunculus asiaticus L. Persian buttercup Persian crowfoot Asian buttercup Eastern Mediterranean Basin Ranunculus auricomus L. Goldilocks buttercup Greenland buttercup Northern Eurasia Greenland Ranunculus austro-oreganus L. D. BensonSouthern Oregon buttercupUSA (southern Oregon)

B Species & synonyms Common names Native range Illustration Ranunculus barceloi Ranunculus baudotiiRanunculus bilobus Ranunculus biternatus Antarctic buttercup Patagonia Subantarctic islands Ranunculus bonariensis Carter's buttercup Chile, Argentina Central CaliforniaRanunculus borealis Ranunculus bulbosus St Anthony's turnip Bulbous buttercup Europe Ranunculus bullatus Autumn buttercup Mediterranean region Ranunculus bupleuroides Iberian Peninsula

C Species & synonyms Common names Native range Illustration Ranunculus californicus Benth. California buttercup California Ranunculus canus Benth. Sacramento Valley buttercup California Ranunculus cardiophyllus Hook.Heartleaf buttercupWestern North America Ranunculus carinthiacus Carinthian buttercup Europe Ranunculus cassubicifolius Europe Ranunculus cassubicus Kashubian buttercup Eastern Europe Ranunculus caucasicus Ranunculus circinatus Fan-leaved water-crowfoot Europe Ranunculus clivicola Alpine regions of southeastern Australia Ranunculus coloradensis (L. Benson) L. Benson Ranunculus cordiger Viviani Ranunculus cortusifolius Willd. Azores buttercup Ranunculus crassipes Subantarctic buttercup Subantarctic region

D Species & synonyms Common names Native range Illustration Ranunculus degenii Kümmerle & Jáv. Ranunculus demissus DC. Ranunculus densiciliatus W. T. Wang Ranunculus dichotomus Moc. & Sessé ex DC. Ranunculus dielsianus Ulbr. Ranunculus diffusus DC. Ranunculus dingjieensis L. LiouRanunculus dissectifolius Alpine regions of southeastern Australia Ranunculus dissectus M.Bieb. Ranunculus distans Royle Ranunculus dongrergensis Hand.-Mazz. Ranunculus donianus Pritz.

E Species & synonyms Common names Native range IllustrationRanunculus elegans Ranunculus eschscholtzii var. eschscholtzii var. eximius var. helleri var. oxynotus var. suksdorfii var. trisectus var. adoneus = Ranunculus adoneus var. alpinus = Ranunculus adoneus Eschscholtz's buttercup Western North America Ranunculus extensus

F Species & synonyms Common names Native range Illustration Ranunculus falcatus auct. non L. Ranunculus testiculatus Crantz Ceratocephala falcata auct. non (L.) Pers. Ceratocephala orthoceras DC. Ceratocephala testiculata (Crantz) Roth Curveseed butterwort Eurasia Ranunculus fallax Europe Ranunculus fascicularis Early buttercup Eastern North America Ranunculus flabellaris Yellow water buttercup North America Ranunculus flammula Lesser spearwort Boreal Kingdom Ranunculus fluitans River water-crowfoot Europe

G Species & synonyms Common names Native range Illustration Ranunculus glaberrimus Sagebrush buttercup Interior western North America Ranunculus glacialis Glacier crowfoot Glacier buttercup Arctic-alpine Europe Siberia Alaska Ranunculus gmelinii Gmelin's buttercup North America Ranunculus gormanii Gorman's buttercup Oregon Northern California Ranunculus gramineus Grassy-leaved buttercup Southern Europe

H Species & synonyms Common names Native range Illustration Ranunculus harveyi var. australis Harvey's buttercup south-central U.S. Ranunculus hebecarpus Delicate buttercup Western North America Ranunculus hederaceus Ivy-leaved crowfoot Europe Ranunculus hispidus Bristly buttercup Hispid buttercup Swamp buttercup Eastern North America Ranunculus hybridus Hybrid buttercup European Alps Ranunculus hydrocharoides Frogbit buttercup Frog's bit buttercup Western North America Ranunculus hyperboreus Rottb. High northern buttercup Northern North America

I Species & synonyms Common names Native range IllustrationRanunculus illyricus L.= R. alexeenkoi Grossh.= R. meridionalis Grossh.R. illyricus Tropicos.org. Missouri Botanical Garden. 21 Dec 2011 Eastern Europe Ranunculus indivisus (Maxim.) Hand.-Mazz. var. abaensis (W. T. Wang) W. T. Wang var. indivisusR. indivisus Tropicos.org. Missouri Botanical Garden. 21 December 2011Ranunculus insignis Hook.f.KorikoriNew ZealandRanunculus inundatus R.Br. ex DC.river buttercupSoutheastern Australia

J Species & synonyms Common names Native range Illustration Ranunculus japonicus Thunb. mao gen China Ranunculus jovis Utah buttercup Mountain west United States

K Species & synonyms Common names Native range Illustration Ranunculus kadzusensis Maehwamarum Korean water crowfoot Asia Ranunculus kuepferi

L Species & synonyms Common names Native range Illustration Ranunculus lanuginosus L. Ranunculus umbrosus Ten. Woolly buttercup Downy buttercup Europe Ranunculus lappaceus Australian buttercup Eastern Australia Ranunculus lapponicus Lapland buttercup Arctic Ranunculus lingua Greater spearwort Eurasia Ranunculus lobbii Lobb's buttercup Lobb's aquatic buttercup Western North America Ranunculus longirostris =R. aquatilis var. diffusus Longbeak buttercup White water-crowfoot North America Ranunculus luminarius Italy Ranunculus lyallii Mount Cook Lily Mount Cook buttercup Mountain buttercup New Zealand

M Species & synonyms Common names Native range Illustration Ranunculus macounii Macoun's buttercup North America Ranunculus macranthus Large buttercup North America Ranunculus macrophyllus Large-leaf buttercup Europe Ranunculus micranthus Nutt. Rock buttercup Small-flowered crowfootR. micranthus New York Natural Heritage Program. 2011. Online Conservation Guide 19 Dec 2011 United States Ranunculus millefolius Banks & Sol.R. millefolius BioLib.cz 22 Dec 2011 Jerusalem buttercupR. millefolius Flowers in Israel 22 Dec 2011 Nurit Israel, Lebanon, Syria Ranunculus montanus mountain buttercup Europe Ranunculus monophyllus eastern Europe to subarctic Asia and northern China Ranunculus moseleyi Moseley's buttercup Ranunculus muricatus Spinyfruit buttercup Europe

N Species & synonyms Common names Native range Illustration Ranunculus nivalis L. Snow buttercup Ranunculus nipponicus

O Species & synonyms Common names Native range Illustration Ranunculus obtusiusculus Ranunculus occidentalis Western buttercup Western North America Ranunculus ophioglossifolius Badgeworth Buttercup Europe Ranunculus orthorhynchus Straightbeak buttercup Western North America Ranunculus oz Australia

P Species & synonyms Common names Native range Illustration Ranunculus pachyrrhizus Hook.f. New Zealand Ranunculus papulentus Large River buttercup Southeastern Australia Ranunculus parviflorus Smallflower buttercup Europe Ranunculus pauperculus = R. eschscholtzii Eschscholtz's buttercup Western North America Ranunculus pedatifidus Birdfoot buttercup Northern buttercup Surefoot buttercup Asia North America Ranunculus peduncularis South America Ranunculus peltatus Pond water crowfoot Europe Southwestern Asia Northern Africa Ranunculus penicillatus Europe Morocco Ranunculus penicillatus ssp. pseudofluitans Southern UK (chalk streams) Ranunculus pensylvanicus Pennsylvania buttercup North America Ranunculus pimpinellifolius Hook. Bog buttercup Eastern Australia Ranunculus pinguis New Zealand (Auckland and Campbell Islands) Ranunculus platanifolius Large white buttercup Ranunculus polyanthemos Multiflowered buttercup Europe Central Asia Siberia Ranunculus populago Popular buttercup Mountain Buttercup Pacific Northwest United States Ranunculus pusillus Low spearwort Eastern United States Ranunculus pygmaeus Pygmy buttercup Circumpolar Arctic Ranunculus pyrenaeus Pyrenean buttercup Andorra France Spain

R Species & synonyms Common names Native range Illustration Ranunculus radicans Siberia to northern China Ranunculus recurvatus Hooked crowfoot Hooked buttercup Eastern North America Ranunculus repens Creeping buttercup Eurasia Northwestern Africa Ranunculus reptans R. flammula var. filiformis Greater creeping spearwort North America Ranunculus rhomboideus Prairie Buttercup North America

S Species & synonyms Common names Native range Illustration Ranunculus sardous Hairy buttercup Sardinian buttercup Europe Ranunculus sceleratus Cursed buttercup Celery-leaved buttercup Eurasia