This name is a synonym of Ageratum conyzoides (L.) L..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record E409A769-6270-47F0-8FF8-38E810D6E2B1) with original publication details: Phytologia 27 387 1974.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:7123-2.
This name was in version 1 of The Plant List, record gcc-30730.