This name is a synonym of Leymus secalinus (Georgi) Tzvelev.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 458171) with original publication details: Bot. Zhurn. (Moscow & Leningrad) 94: 277 2009.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:77099199-1.
This name was in version 1 of The Plant List, record kew-458171.