This name is a synonym of Ranunculus sieboldii Miq..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27104999) with original publication details: J. Coll. Sci. Imp. Univ. Tokyo 12: 276 1899.
This name was in version 1 of The Plant List, record tro-27104999, and has not been changed.