This name is a synonym of Ranunculus serpens subsp. nemorosus (DC.) G.López.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Syst. Nat. 1: 280 1817.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:713313-1.
This name was in version 1 of The Plant List, record kew-2526160, and has not been changed.