This name is a synonym of Ranunculus praemorsus Kunth ex DC..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 27101025) with original publication details: Abh. Königl. Ges. Wiss. Göttingen 19: 70 1874.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:712231-1.
This name was in version 1 of The Plant List, record tro-27101025.