This name is a synonym of Puccinellia fasciculata (Torr.) E.P.Bicknell.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 50312350) with original publication details: Sel. Sem. Hort. Erfurt. 3 1837.
This name was in version 1 of The Plant List, record tro-50312350.