Plants in the Ranunculus genus
R
- R. acris (Meadow Buttercup)
- R. aquatilis (Water Crowfoot)
- R. arvensis (Corn Buttercup)
- R. bulbosus (Bulbous Buttercup)
- R. californicus (California Buttercup)
- R. chinensis (Hui Hui Suan)
- R. ficaria (Lesser Celandine)
- R. flammula (Lesser Spearwort)
R cont.
- R. hirtus
- R. inamoeus (Graceful Buttercup)
- R. japonicus (Mao Gen)
- R. kochii
- R. muricatus (Rough-Seed Buttercup)
- R. nipponicus
- R. occidentalis (Western Buttercup)
- R. pallasii (Buttercup)
R cont.
- R. pennsylvanicus (Pennsylvania Buttercup)
- R. quelpaertensis
- R. repens (Creeping Buttercup)
- R. reptans (Creeping Spearwort)
- R. rivularis
- R. sceleratus (Celery-Leaved Buttercup)
- R. tachreoi
- R. ternatus