This name is a synonym of Haplopappus canescens Reiche.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record F1DEECE1-29CA-4A27-8D32-D95D5E75DD4D) 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:23524-2.
This name was in version 1 of The Plant List, record gcc-128157.