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 6B5C8F69-0344-434B-BA37-E05554802B9F) 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:23127-2.
This name was in version 1 of The Plant List, record gcc-131196, and has not been changed.