This name is a synonym of Ranunculus nubigenus Kunth ex DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50066890) with original publication details: Bull. Soc. Bot. France 87: 124 1940.
This name was in version 1 of The Plant List, record tro-50066890, and has not been changed.