This name is a synonym of Helictotrichon scabrivalve (Trin.) G.C.Tucker.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397913) with original publication details: Bull. Sci. Acad. Imp. Sci. Saint-Pétersbourg 1: 67 1836.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391735-1.
This name was in version 1 of The Plant List, record kew-397913.