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 398210) with original publication details: Acta Horti Bot. Prag. 1962: 84 1962.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391978-1.
This name was in version 1 of The Plant List, record kew-398210.