This name is a synonym of Elymus caninus (L.) L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 411000) with original publication details: Svensk Bot. Tidskr. 97: 194 2003.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:70027831-1.
This name was in version 1 of The Plant List, record kew-411000.