This name is a synonym of Vernonia gomphrena Walp..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record D3094E46-D395-4B72-8BD6-4709747A3E7B) with original publication details: 310 1939.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:1019626-1.
This name was in version 1 of The Plant List, record gcc-38293, and has not been changed.