This name is a synonym of Phleum paniculatum Huds..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 433531) with original publication details: Hort. Kew. 1: 87 1789.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:415646-1.
This name was in version 1 of The Plant List, record kew-433531, and has not been changed.