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 50250430) with original publication details: Fl. Cap. 7: 716–717 1900.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:391118-1.
This name was in version 1 of The Plant List, record tro-50250430.