This name is a synonym of Ranunculus pedatifidus subsp. affinis (R.Br.) Hultén.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Reise Sibir. 1(2,1): 62 1847.
This name was in version 1 of The Plant List, record kew-2873019, and has not been changed.