Ranunculus bonariensis

{{Short description|Species of buttercup}}

{{Speciesbox

| image = Carter's Buttercup imported from iNaturalist photo 232727748 on 2 May 2024.jpg

| genus = Ranunculus

| species = bonariensis

| authority = Poir.

}}

Ranunculus bonariensis is a species of buttercup known by the common name Carter's buttercup.{{PLANTS|id=RABO|taxon=Ranunculus bonariensis|accessdate=18 October 2015}} There are three varieties. Two are native to Chile and Argentina, and one is found in central California in the United States.