This name is a synonym of Bromus rigidus Roth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 401789) with original publication details: Giorn. Bot. Ital. 111: 59 1977.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:881673-1.
This name was in version 1 of The Plant List, record kew-401789.