⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-37228, with some changes.
This name is a synonym of Ageratina altissima var. altissima .
The record derives from TICA which reports it as a synonym (record 3EA64A93-667F-4BDE-87DD-44F948F2A847
) with original publication details: Rhodora 43 557 1941.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:100876-2
.