This name is a synonym of Hymenoxys texana (J.M.Coult. & Rose) Cockerell.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 5828EA75-A09A-4DAA-A03F-6E26DBCA1FB4) with original publication details: Bot. Gaz. 16 27 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:4007-2.
This name was in version 1 of The Plant List, record gcc-80704, and has not been changed.