This name is a synonym of Bromus racemosus L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 401164) with original publication details: Bull. U.S.D.A. (1895-1901) 23: 20 1900.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:37054-2.
This name was in version 1 of The Plant List, record kew-401164.