This name is a synonym of Gutierrezia sphaerocephala A.Gray.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 5B20B405-BB2D-4A8E-BDC2-34781DEEB5D6) with original publication details: 94 1852.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:210823-1.
This name was in version 1 of The Plant List, record gcc-28404, and has not been changed.