This name is a synonym of Haplopappus linifolius (Phil.) Reiche.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 4A420405-5B93-4D61-BCAC-67F834C5E3AB) with original publication details: Revis. Gen. Pl. 1 316 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:23693-2.
This name was in version 1 of The Plant List, record gcc-77928, and has not been changed.