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 25544190) with original publication details: Bot. Not. 1953(3): 357 1953.
This name was in version 1 of The Plant List, record tro-25544190.