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 F3462407-4222-4759-A976-DAB4A534FE8C) with original publication details: 177 1937.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:183063-1.
This name was in version 1 of The Plant List, record gcc-128734.