This name is a synonym of Puccinellia fasciculata (Torr.) E.P.Bicknell.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 438812) with original publication details: Fl. Ital. 1: 370 1850.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:419126-1.
This name was in version 1 of The Plant List, record kew-438812.