This name is a synonym of Helictotrichon mongolicum (Roshev.) Henrard.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397691) with original publication details: Izv. Glavn. Bot. Sada S.S.S.R. 27: 96 1928.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391591-1.
This name was in version 1 of The Plant List, record kew-397691, and has not been changed.