This name is a synonym of Ranunculus repens var. flore-pleno DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27101567) with original publication details: Prodr. 1: 38 1824.
This name was in version 1 of The Plant List, record tro-27101567, and has not been changed.