This name is a synonym of Haplopappus chrysanthemifolius (Less.) DC..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 6781C635-FAB1-4D15-A767-368FF3B6D236) with original publication details: Revis. Gen. Pl. 1 317 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23206-2.
This name was in version 1 of The Plant List, record gcc-29522, and has not been changed.