This name is a synonym of Dyssodia papposa (Vent.) Hitchc..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record EE2B072A-015D-4A53-96B5-B2C986F5F38A) with original publication details: 1012 1901.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:185755-1.
This name was in version 1 of The Plant List, record gcc-111297.