Select Species

Reporting cultivars (cultivated varieties): if a cultivar is of a known species it should be reported under the species name, unless listed here separately. Please use the "comments" box to list the cultivar name, if known. e.g. Acer platanoides 'Crimson King' should be entered under Acer platanoides, and the cultivar 'Crimson King' listed in the comments box.

Email us if the plant you wish to report is not listed on the site, or to report any nomenclature errors.

Ranunculus abortivus kidneyleaf crowfoot,smallflower crowfoot
Ranunculus aconitifolius monkshoodleaf buttercup,aconiteleaf buttercup,white bachelor's buttons
Ranunculus acris meadow buttercup,common buttercup,tall buttercup
Ranunculus alismifolius waterplantain buttercup,plantainleaf buttercup
Ranunculus alismifolius var. alismifolius waterplantain buttercup,plantainleaf buttercup
Ranunculus allenii Allen's buttercup
Ranunculus aquatilis common wataercrowfoot,white watercrowfoot
Ranunculus aquatilis var. aquatilis leafy waterbuttercup,white watercrowfoot,white waterbuttercup
Ranunculus aquatilis var. diffusus white watercrowfoot
Ranunculus asiaticus Persian buttercup,Persian crowfoot,Asian buttercup,turban buttercup
Ranunculus bulbosus bulbous buttercup,yellow weed,gowan
Ranunculus californicus California buttercup
Ranunculus californicus var. californicus California buttercup
Ranunculus cardiophyllus heartleaf buttercup
Ranunculus cooleyae Cooley's buttercup,Cooley's false buttercup
Ranunculus cymbalaria northern seaside crowfoot,alkali buttercup
Ranunculus eschscholtzii Eschscholtz's buttercup,subalpine buttercup,mountain buttercup,largeflower buttercup,spruce-fir buttercup
Ranunculus eschscholtzii var. eschscholtzii Eschscholtz's buttercup,subalpine buttercup,mountain buttercup,spruce-fir buttercup,largeflower buttercup
Ranunculus eschscholtzii var. eximius tundra buttercup
Ranunculus eschscholtzii var. suksdorfii Suksdorf's buttercup
Ranunculus fascicularis early butercup,tufted buttercup,thickroot buttercup
Ranunculus ficaria lesser celandine,marsh pilewort
Ranunculus flabellaris yellow watercrowfoot,yellow waterbuttercup
Ranunculus flammula lesser spearwort
Ranunculus flammula var. flammula lesser buttercup,lesser spearwort,spearwort buttercup,creeping buttercup,creeping spearwort,greater creeping spearwort
Ranunculus flammula var. ovalis ovalleaf creeping spearwort
Ranunculus flammula var. reptans creeping spearwort
Ranunculus gelidus arctic buttercup,alpine buttercup,modest buttercup,icecold buttercup
Ranunculus glaberrimus sagebrush buttercup,shinyleaf buttercup,early buttercup
Ranunculus glaberrimus var. ellipticus sagebrush buttercup,shinyleaf buttercup,early buttercup
Ranunculus glaberrimus var. glaberrimus sagebrush buttercup,shinyleaf buttercup,early buttercup
Ranunculus gmelinii Gmelin's watercrowfoot
Ranunculus gramineus grassleaf buttercup
Ranunculus hederaceus ivyleaf buttercup,ivy buttercup,longstalk buttercup
Ranunculus hispidus hispid buttercup,bristly buttercup
Ranunculus hispidus var. caricetorum northern swamp buttercup,marsh buttercup,hispid buttercup
Ranunculus hispidus var. hispidus hispid buttercup,bristly buttercup
Ranunculus hispidus var. nitidus hispid buttercup,bristly buttercup
Ranunculus hyperboreus high arctic buttercup,high northern buttercup,arctic crowfoot
Ranunculus inamoenus graceful buttercup,unlovely buttercup
Ranunculus inamoenus var. inamoenus graceful buttercup,unlovely buttercup
Ranunculus lapponicus Lapland buttercup
Ranunculus lobbii Lobb's water buttercup,Lobb's buttercup
Ranunculus macounii Macoun's buttercup
Ranunculus nivalis snow buttercup,snowy buttercup
Ranunculus occidentalis western buttercup,western field buttercup
Ranunculus occidentalis var. brevistylis western buttercup,western field buttercup
Ranunculus occidentalis var. hexasepalus Queen Charlotte Island buttercup
Ranunculus occidentalis var. occidentalis western buttercup,western field buttercup
Ranunculus orthorhynchus straightbeak buttercup,birdsfoot buttercup
Ranunculus orthorhynchus var. orthorhynchus straightbeak buttercup,birdsfoot buttercup
Ranunculus orthorhynchus var. platyphyllus straightbeak buttercup,birdsfoot buttercup
Ranunculus pallasii Pallas' buttercup
Ranunculus pedatifidus northern buttercup,surefoot buttercup
Ranunculus pedatifidus var. affinis heartleaf buttercup,northern buttercup
Ranunculus pensylvanicus bristly crowfoot,bristly buttercup
Ranunculus pygmaeus pygmy buttercup,dwarf buttercup
Ranunculus recurvatus hooked crowfoot,rough crowfoot
Ranunculus recurvatus var. recurvatus hooked crowfoot,blisterwort, rough crowfoot
Ranunculus repens creeping buttercup,gold-balls
Ranunculus rhomboideus prairie crowfoot,prairie buttercup
Ranunculus sabinei Sabine's buttercup
Ranunculus sardous Sardinian buttercup,hairy buttercup
Ranunculus sceleratus celeryleaf crowfoot,cursed crowfoot,blister buttercup
Ranunculus sceleratus var. multifidus celeryleaf crowfoot,cursed crowfoot,blister buttercup
Ranunculus sceleratus var. sceleratus cursed crowfoot,celeryleaf crowfoot,blister buttercup
Ranunculus sulphureus sulphur buttercup
Ranunculus testiculatus hornseed buttercup,curvedseed buttercup,bur buttercup,little bur,testiculate buttercup
Ranunculus turneri Turner's buttercup
Ranunculus uncinatus little buttercup,hairy buttercup,woodland buttercup,hooked buttercup