This name is a synonym of Ranunculus formosa-montanus Ohwi.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50007033) with original publication details: Icon. Pl. Formosan., Suppl. 3: 30 1927.
This name was in version 1 of The Plant List, record tro-50007033, and has not been changed.