This name is a synonym of Helictotrichon sempervirens (Vill.) Pilg..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397990) with original publication details: Encycl. 1: 332 1783.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391795-1.
This name was in version 1 of The Plant List, record kew-397990, and has not been changed.