This name is a synonym of Agropyron cristatum (L.) Gaertn..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 405847) with original publication details: Bot. Zeitung (Berlin) 16: 377 1858.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:396693-1.
This name was in version 1 of The Plant List, record kew-405847.