This name is a synonym of Ranunculus pollinensis (N.Terracc.) Chiov..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Annuario Reale Ist. Bot. Roma 4: 64 1891.
This name was in version 1 of The Plant List, record kew-2870838, and has not been changed.