This name is a synonym of Helictotrichon pubescens (Huds.) Schult. & Schult.f..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50242332) with original publication details: Bot. Not. 1953(3): 355 1953.
This name was in version 1 of The Plant List, record tro-50242332.