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 AEED4E85-3EAF-4DA0-BED6-BD36FC65CEB2) with original publication details: Descr. Pl. Nouv. 4 1801.
This name was in version 1 of The Plant List, record gcc-115897.