This name is a synonym of Schizachyrium lomaense A.Camus.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 391783) with original publication details: Bull. Mus. Natl. Hist. Nat., B, Adansonia 2: 145 1981.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:908286-1.
This name was in version 1 of The Plant List, record kew-391783, and has not been changed.