This name is a synonym of Elymus reflexiaristatus (Nevski) Melderis.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 438367) with original publication details: Bot. Zhurn. (Moscow & Leningrad) 75: 1321 1990.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:962250-1.
This name was in version 1 of The Plant List, record kew-438367.