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 (record 397304) with original publication details: Catal. Bot. 3: 20 1806.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391294-1.
This name was in version 1 of The Plant List, record kew-397304.