This name is a synonym of Helictotrichon pratense (L.) Pilg..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 395462) with original publication details: Anais Fac. Ci. Univ. Porto 17: 45 1931.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:389961-1.
This name was in version 1 of The Plant List, record kew-395462.