This name is a synonym of Elymus farctus subsp. bessarabicus (Savul. & Rayss) Melderis.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 411862) with original publication details: Novosti Sist. Vyssh. Rast. 10: 32 1973.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:882064-1.
This name was in version 1 of The Plant List, record kew-411862.