This name is a synonym of Ranunculus peltatus subsp. baudotii (Godr.) Meikle ex C.D.K.Cook.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Mém. Soc. Roy. Sci. Nancy 1839: 21 1840.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:712287-1.
This name was in version 1 of The Plant List, record kew-2524734, and has not been changed.