This name is a synonym of Ranunculus cassubicus L..
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Ber. Schweiz. Bot. Ges. 42: 747 1933.
This name was in version 1 of The Plant List, record kew-2524559, and has not been changed.