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 397312) with original publication details: Syn. Mitteleur. Fl. 2(1): 261 1899.
This name was in version 1 of The Plant List, record kew-397312.