| Rating | Plant Name | Thumbnail |
1  | Meadow Buttercup
Ranunculus acris |  |
| 2 | Kidneyleaf Buttercup, Small-flowered Buttercup, Littleleaf Buttercup
Ranunculus abortivus |  |
3  | Creeping Buttercup
Ranunculus repens |  |
| 4 | Lesser Celendine, Pilewort, Fig Buttercup
Ranunculus ficaria |  |
| 5 | High Alpine Buttercup
Ranunculus calandrinioides |  |
| 6 | Glacier Crow Foot
Ranunculus glacialis | No Images Yet |
| 7 | Ranunculus, Persian Buttercup,Turban Buttercup, Persian Crowfoot
Ranunculus asiaticus |  |
| 8 | Alkali Buttercup
Ranunculus cymbalaria |  |
| 9 | Lesser Celendine
Ranunculus ficaria var. aurantiacus |  |
10  | Grassy-leaved Buttercup
Ranunculus gramineus |  |
| 11 | Sagebrush Buttercup
Ranunculus glaberrimus |  |
| 12 | Hornseed Buttercup
Ranunculus testiculatus |  |
| 13 | Carolina Buttercup, Swamp Buttercup, Marsh Buttercup
Ranunculus hispidus var. nitidus |  |
| 14 | St. Anthony's Turnip, Bulbous Buttercup
Ranunculus bulbosus | No Images Yet |
| 15 | Sacramento Valley Buttercup
Ranunculus canus | No Images Yet |
| 16 | Gmelin's Buttercup, Small Yellow Water-Crowfoot
Ranunculus gmelinii | No Images Yet |
| 17 | Autumn Buttercup
Ranunculus aestivalis | No Images Yet |
| 18 | Latin American Buttercup
Ranunculus petiolaris | No Images Yet |
| 19 | Mount Cook Lily, Giant Buttercup
Ranunculus lyallii |  |
| 20 | Large Buttercup
Ranunculus macranthus |  |
| 21 | Parnassus-leaved Buttercup
Ranunculus parnassifolius |  |
| 22 | Prairie Buttercup, Labrador Buttercup, Plains Buttercup
Ranunculus rhomboideus | No Images Yet |
| 23 | Alpine Buttercup
Ranunculus adoneus | No Images Yet |
| 24 | Bristly Buttercup
Ranunculus hispidus | No Images Yet |
| 25 | Lesser Spearwort
Ranunculus flammula |  |
| 26 | Ranunculus
Ranunculus lanuginosus | No Images Yet |
| 27 | Azores Buttercup
Ranunculus cortusifolius |  |
| 28 | Cursed Crowfoot
Ranunculus sceleratus |  |
| 29 | Early Buttercup
Ranunculus fascicularis | No Images Yet |
| 30 | Mississippi Buttercup
Ranunculus laxicaulis | No Images Yet |
| 31 | Longbeak Buttercup
Ranunculus longirostris | No Images Yet |
| 32 | Macoun's Buttercup
Ranunculus macounii |  |
| 33 | Margined Buttercup
Ranunculus marginatus | No Images Yet |
| 34 | Margined Buttercup
Ranunculus marginatus var. trachycarpus | No Images Yet |
| 35 | Spinyfruit Buttercup
Ranunculus muricatus |  |
| 36 | Smallflower Buttercup
Ranunculus parviflorus |  |
| 37 | Arsene's Buttercup
Ranunculus petiolaris var. arsenei | No Images Yet |
| 38 | Prairie Buttercup
Ranunculus platensis | No Images Yet |
| 39 | Low Spearwort
Ranunculus pusillus | No Images Yet |
| 40 | Low Spearwort
Ranunculus pusillus var. angustifolius | No Images Yet |
