This name is a synonym of Helictotrichon hirtulum (Steud.) Schweick..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397599) with original publication details: Gött. Gel. Anz. 3: 2075 1821.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391496-1.
This name was in version 1 of The Plant List, record kew-397599, and has not been changed.