This name is a synonym of Vulpia unilateralis (L.) Stace.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 399972) with original publication details: Syll. Fl. Eur. 426 1855.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:393150-1.
This name was in version 1 of The Plant List, record kew-399972.