This name is a synonym of Gutierrezia repens Griseb..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record BBEAFADE-7C9A-41C9-86DB-59B4ADA8489B) with original publication details: Contr. Gray Herb. 197 26 1966.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:210868-1.
This name was in version 1 of The Plant List, record gcc-48416, and has not been changed.