This name is a synonym of Hoffmannseggia glauca (Ortega) Eifert.
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 13003214) with original publication details: Bot. Gaz. 18(4): 122 1893.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:40012-2.
This name was in version 1 of The Plant List, record tro-13003214, and has not been changed.