This name is a synonym of Elymus lanceolatus (Scribn. & J.G.Sm.) Gould.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 400156) with original publication details: Trudy Bot. Muz. Imp. Akad. Nauk 12: 105 1914.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:393209-1.
This name was in version 1 of The Plant List, record kew-400156.