This name is a synonym of Helictotrichon alpinum (Roem. & Schult.) Henrard.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397796) with original publication details: Man. Brit. Bot. ed. 6: 410 1867.
This name was in version 1 of The Plant List, record kew-397796.