This name is a synonym of Ruilopezia jabonensis (Cuatrec.) Cuatrec..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record D561F33D-DC17-4C1E-8B9A-7A3E15DD0EC8) with original publication details: Phytologia 23 360 1972.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:97699-2.
This name was in version 1 of The Plant List, record gcc-86138, and has not been changed.