This name is a synonym of Ranunculus cordiger Viv..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Boll. Soc. Sarda Sci. Nat. 22: 278 1983.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:922640-1.
This name was in version 1 of The Plant List, record kew-2522456, and has not been changed.