This name is a synonym of Ranunculus uniflorus Phil. ex Reiche.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27101024) with original publication details: Notizbl. Bot. Gart. Berlin-Dahlem 8: 326 1923.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:217154-2.
This name was in version 1 of The Plant List, record tro-27101024.