This name is a synonym of Sporobolus tenuissimus (Schrank.) Kuntze.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym and as an invalid name (record 449794) with original publication details: Anal. Bot. Ind. 2: 24 1851.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:426481-1.
This name was in version 1 of The Plant List, record kew-449794.