This name is a synonym of Muhlenbergia distichophylla (J.Presl) Kunth.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 424943) with original publication details: N. Amer. Fl. 17: 457 1935.
This name was in version 1 of The Plant List, record kew-424943.