Homotypic synonym according to GBIF classification (Originally found in sources as synonym of Koanophyllon albicaulis (Sch.Bip. ex Klatt) R.M.King & H.Rob.)
Eupatorium album Hemsl.
Doubtful according to GBIF classification (Possible variant of Eupatorium album L.)
Eupatorium album var. petaloideum (Britt.) R. K. Godfrey
Homotypic synonym according to GBIF classification (Originally found in sources as doubtful taxon within Koanophyllon villosum (Sw.) R.M.King & H.Rob.)
Neobartlettia paezensis (Hieron.) R. M. King & H. Rob.
Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Bartlettina R.M.King & H.Rob.)