This name is a synonym of Schizachyrium brevifolium (Sw.) Buse.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 392865) with original publication details: J. Linn. Soc., Bot. 30: 99 1894.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:388215-1.
This name was in version 1 of The Plant List, record kew-392865, and has not been changed.