This name is a synonym of Helictotrichon agropyroides (Boiss.) Henrard.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397292) with original publication details: Diagn. Pl. Orient. 13: 50 1854.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391283-1.
This name was in version 1 of The Plant List, record kew-397292.