This name is a synonym of Helictotrichon bromoides (Gouan) C.E.Hubb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397473) with original publication details: Fl. Aegypt.-Arab. 19 1775.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391429-1.
This name was in version 1 of The Plant List, record kew-397473.