This name is a synonym of Ranunculus micronivalis Hand.-Mazz..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27105067) with original publication details: Acta Horti Gothob. 13(4): 160–161, pl. 1, f. 1–7 1939.
This name was in version 1 of The Plant List, record tro-27105067, and has not been changed.