⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record gcc-2974, and has not been changed.

Eupatorium calaminthaefolium var. irrasum B.L.Rob. is a synonym of Ageratina irrasa (B.L.Rob.) R.M.King & H.Rob.

This name is a synonym of Ageratina irrasa (B.L.Rob.) R.M.King & H.Rob..

The record derives from TICA which reports it as a synonym (record 29731F8B-B440-4FB9-A335-0584A30A3625) with original publication details: Contr. Gray Herb. 68 11 1923.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:99656-2.