This name is a synonym of Helictotrichon pubescens (Huds.) Schult. & Schult.f..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 397819) with original publication details: Oesterr. Bot. Z. 10: 72 1860.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391698-1.
This name was in version 1 of The Plant List, record kew-397819.