This name is a synonym of Helictotrichon tenuifolium Röser.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397392) with original publication details: Bull. Soc. Bot. France 29: 84 1883.
This name was in version 1 of The Plant List, record kew-397392.