This name is a synonym of Elymus fedtschenkoi Tzvelev.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 441834) with original publication details: in Fl. Uzbekist. 1: 282 1941.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:421225-1.
This name was in version 1 of The Plant List, record kew-441834.