This name is a synonym of Ranunculus petiolaris Humb., Bonpl. & Kunth ex DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27101802) with original publication details: Syst. Nat. 1: 293 1818.
This name was in version 1 of The Plant List, record tro-27101802.