This name is a synonym of Ruilopezia lindenii (Sch.Bip. ex Wedd.) Cuatrec..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E49D570F-6504-4157-ABEF-4E62DDD97F3D) with original publication details: 67 1856.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:97709-2.
This name was in version 1 of The Plant List, record gcc-42313, and has not been changed.