This name is a synonym of Gutierrezia microcephala (DC.) A.Gray.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record C537295B-A65E-405D-9FAE-1D74551BD6D6) with original publication details: Fl. Francisc. 361 1897.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:115035-2.
This name was in version 1 of The Plant List, record gcc-15924, and has not been changed.