This name is a synonym of Vulpia octoflora (Walter) Rydb..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an illegitimate name (record 399913) with original publication details: Enum. Hort. Berol. Alt. 1: 95 1821.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:393103-1.
This name was in version 1 of The Plant List, record kew-399913.