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 DE71FDD8-B00A-4C3D-96E5-EB9CB1ABFBB4) with original publication details: N. Amer. Fl. 34 168 1915.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:34104-2.
This name was in version 1 of The Plant List, record gcc-136171.