This name is a synonym of Ruilopezia coloradarum (Cuatrec.) Cuatrec..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 91F5246A-72CD-4FED-A377-CC15D74F5BE6) with original publication details: Phytologia 29 372 .
This name was in version 1 of The Plant List, record gcc-122468, and has not been changed.