This name is a synonym of Ruilopezia cuatrecasasii (Ruíz-Terán & López-Fig.) Cuatrec..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 13D74603-6524-4EFE-914A-EBB2412DF276) with original publication details: 5 1974.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:205092-1.
This name was in version 1 of The Plant List, record gcc-136211, and has not been changed.