This name is a synonym of Puccinellia lemmonii (Vasey) Scribn..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 436352) with original publication details: Bot. Gaz. 3: 13 1878.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:417382-1.
This name was in version 1 of The Plant List, record kew-436352, and has not been changed.