This name is a synonym of Elymus farctus (Viv.) Runemark ex Melderis.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25532167) with original publication details: Bull. Soc. Bot. France 85: 176 1938.
This name was in version 1 of The Plant List, record tro-25532167.