This name is a synonym of Vernonia texana (A.Gray) Small.
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 8EDA4ABB-B011-4C40-AFF3-D0077B934248) with original publication details: Revis. Gen. Pl. 1 323 1891.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:39100-2.
This name was in version 1 of The Plant List, record gcc-66601, and has not been changed.