This name is a synonym of Elymus ciliaris (Trin.) Tzvelev.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 399944) with original publication details: Ann. Mus. Bot. Lugduno-Batavi 2: 286 1866.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:393129-1.
This name was in version 1 of The Plant List, record kew-399944.