This name is a synonym of Helictotrichon cycladum (Rech.f. & Scheff.) Rech.f..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397941) with original publication details: Syll. Fl. Eur. 412 1855.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391769-1.
This name was in version 1 of The Plant List, record kew-397941, and has not been changed.