Brickellia arsenei B.L.Rob. accepted as Dyscritogyne adenosperma (Sch.Bip.) R.M.King & H.Rob. (original description)
Eupatorium anisodontum B.L.Rob. accepted as Aristeguietia gascae (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium aristei B.L.Rob. accepted as Ageratina aristei (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium bridgesii B.L.Rob. accepted as Fleischmannia bridgesii (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium choricephaloides B.L.Rob. accepted as Ageratina choricephaloides (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium coelocaule B.L.Rob. accepted as Grosvenoria coelocaulis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium cookii B.L.Rob. accepted as Fleischmannia cookii (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium dasyneurum B.L.Rob. accepted as Ageratina dasyneura (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium drepanioides B.L.Rob. accepted as Badilloa drepanioides (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium endytum B.L.Rob. accepted as Kaunia endyta (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium eripsimum B.L.Rob. accepted as Chromolaena eripsima (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium exsertovenosum var. crenatum (Hieron.) B.L.Rob. accepted as Ageratina fastigiata (Kunth) R.M.King & H.Rob. (original description)
Eupatorium exsertovenosum var. lanceolatum (Hieron.) B.L.Rob. accepted as Ageratina fastigiata (Kunth) R.M.King & H.Rob. (original description)
Eupatorium flexile B.L.Rob. accepted as Koanophyllon flexilis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium gascae B.L.Rob. accepted as Aristeguietia gascae (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium gilbertii B.L.Rob. accepted as Ageratina gilbertii (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium gloeocladum B.L.Rob. accepted as Ageratina gloeoclada (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium gracilentum B.L.Rob. accepted as Ageratina gracilenta (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium hylophilum B.L.Rob. accepted as Ayapana hylophila (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium hypargyrum B.L.Rob. accepted as Grosvenoria hypargyra (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium iodotrichum B.L.Rob. accepted as Ageratina iodotricha (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium iresinoides var. adenotrichum B.L.Rob. accepted as Condylidium iresinoides (Kunth) R.M.King & H.Rob. (original description)
Eupatorium isillumense B.L.Rob. accepted as Koanophyllon isillumense (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium kleinioides var. typicum B.L.Rob. accepted as Praxelis kleinioides (Kunth) Sch.Bip. (original description)
Eupatorium lobatum B.L.Rob. accepted as Neocuatrecasia lobata (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium mallotum B.L.Rob. accepted as Chromolaena mallota (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium mallotum var. aporum B.L.Rob. accepted as Chromolaena mallota (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium mallotum var. typicum B.L.Rob. accepted as Chromolaena mallota (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium mathewsii B.L.Rob. accepted as Ayapanopsis mathewsii (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium metense B.L.Rob. accepted as Barrosoa metensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium orgyaloides B.L.Rob. accepted as Idiothamnus orgyaloides (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium pachanoi B.L.Rob. accepted as Kaunia pachanoi (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium phoenicticum B.L.Rob. accepted as Hebeclinium phoenicticum (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium pseudodalea var. apodophyllum B.L.Rob. accepted as Critonia pseudodalea DC. (original description)
Eupatorium pseudodalea var. macrodontum B.L.Rob. accepted as Critonia pseudodalea DC. (original description)
Eupatorium pseudodalea var. typicum B.L.Rob. accepted as Critonia pseudodalea DC. (original description)
Eupatorium psilodorum B.L.Rob. accepted as Ageratina psilodora (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium rhypodes B.L.Rob. accepted as Ageratina rhypodes (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium roseorum B.L.Rob. accepted as Chromolaena roseorum (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium roupalifolium B.L.Rob. accepted as Guayania roupalifolia (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium simulans B.L.Rob. accepted as Ageratina simulans (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium solidaginoides var. armourii B.L.Rob. accepted as Koanophyllon solidaginoides (Kunth) R.M.King & H.Rob. (original description)
Eupatorium sprucei B.L.Rob. accepted as Ayapana elata (Steetz) R.M.King & H.Rob. (original description)
Eupatorium squalidum var. rusbyanum B.L.Rob. accepted as Chromolaena squalida (DC.) R.M.King & H.Rob. (original description)
Eupatorium steetzii B.L.Rob. (original description)
Eupatorium stictophyllum B.L.Rob. accepted as Ageratina stictophylla (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium tarapotense B.L.Rob. accepted as Ayapanopsis tarapotensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium uber B.L.Rob. accepted as Kaunia longipetiolata (Sch.Bip. ex Rusby) R.M.King & H.Rob. (original description)
Eupatorium urubambense B.L.Rob. accepted as Cronquistianthus urubambensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium vallincola var. brevipilum B.L.Rob. accepted as Ageratina vallincola (DC.) R.M.King & H.Rob. (original description)
Eupatorium vallincola var. typicum B.L.Rob. accepted as Ageratina vallincola (DC.) R.M.King & H.Rob. (original description)
Helogyne staminea B.L.Rob. (original description)
Helogyne straminea (DC.) B.L.Rob. (original description)
Ophryosporus bipinnatifidus B.L.Rob. (original description)
Ophryosporus ovatus B.L.Rob. (original description)