⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-134743, with some changes.
This name is a synonym of Ageratina thyrsiflora (Greene) R.M.King & H.Rob..
The record derives from TICA which reports it as a synonym (record 5064E80F-1330-4297-97AC-E86FEEDC551A) with original publication details: 9 1903.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:134195-2.