This name is a synonym of Helictotrichon crassifolium (Font Quer) Röser.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 397783) with original publication details: Fl. Baléar. 1: 301 1921.
This name was in version 1 of The Plant List, record kew-397783.