This name is a synonym of Baccharis breviseta DC..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record A5A7E430-227B-480D-AC29-ABDE1E2C5750) with original publication details: Webbia 24 232 1969.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:273016-2.
This name was in version 1 of The Plant List, record gcc-62088.