This name is a synonym of Haplopappus multifolius Phil. ex Reiche.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E607CB81-A4DF-4128-8FFD-EEC254FA4ADE) 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:181807-1.
This name was in version 1 of The Plant List, record gcc-137593, and has not been changed.