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 (record 449803) with original publication details: Gram. Unifl. Sesquifl. 158 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:426490-1.
This name was in version 1 of The Plant List, record kew-449803.