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 251FF546-967C-428D-A1E6-3723D34A28A6) with original publication details: Bijdr. 15 (1826) 906 1826.
This name was in version 1 of The Plant List, record gcc-29817.