This name is a synonym of Hilaria ciliata (Scribn.) Sohns.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 418950) with original publication details: Proc. Acad. Nat. Sci. Philadelphia 43: 293 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:122615-2.
This name was in version 1 of The Plant List, record kew-418950, and has not been changed.