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 a spelling variant (record 448095) with original publication details: Ess. Agrostogr. 88 1812.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:425378-1.
This name was in version 1 of The Plant List, record kew-448095.