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 illegitimate name (record 430597) with original publication details: Syll. Pl. Nov. 1: 192 1824.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:413325-1.
This name was in version 1 of The Plant List, record kew-430597.