This name is a synonym of Agropyron cristatum (L.) Gaertn..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 25500796) with original publication details: Acta Bot. Bohem. 9: 180 1930.
This name was in version 1 of The Plant List, record tro-25500796.