This name is a synonym of Gutierrezia sarothrae (Pursh) Britton & Rusby.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 195FC019-6ADB-4E62-A2FB-BDAC312DA86B) with original publication details: 30 1816.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:115030-2.
This name was in version 1 of The Plant List, record gcc-116100.