Eupatorium apollinairei B.L.Rob. accepted as Ageratina apollinairei (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium arcuans B.L.Rob. accepted as Asplundianthus arcuans (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium ballotifolium var. caucense B.L.Rob. accepted as Lourteigia ballotaefolia (Kunth) R.M.King & H.Rob. (original description)
Eupatorium ballotifolium var. typicum B.L.Rob. accepted as Lourteigia ballotaefolia (Kunth) R.M.King & H.Rob. (original description)
Eupatorium chiriquense B.L.Rob. accepted as Ageratina chiriquensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium choricephalum B.L.Rob. accepted as Ageratina choricephala (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium chrysostictum B.L.Rob. accepted as Chromolaena chrysosticta (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium cuencanum B.L.Rob. accepted as Ageratina cuencana (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium diaphanophlebium B.L.Rob. accepted as Chromolaena diaphanophlebia (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium diplodictyon B.L.Rob. accepted as Aristeguietia diplodictyon (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium droserolepis B.L.Rob. accepted as Koanophyllon droserolepis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium erioclinium B.L.Rob. accepted as Hebeclinium erioclinium (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium exsertovenosum var. pseudofastigiatum (Hieron.) B.L.Rob. accepted as Ageratina fastigiata (Kunth) R.M.King & H.Rob. (original description)
Eupatorium flavisetum B.L.Rob. accepted as Ageratina flaviseta (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium glischrum B.L.Rob. accepted as Ageratina glischra (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium glyptophlebium B.L.Rob. accepted as Ageratina glyptophlebia (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium gracile var. epilobioides (Kunth) B.L.Rob. accepted as Ageratina gracilis (Kunth) R.M.King & H.Rob. (original description)
Eupatorium gracile var. typicum B.L.Rob. accepted as Ageratina gracilis (Kunth) R.M.King & H.Rob. (original description)
Eupatorium hammatocladum B.L.Rob. & Britton (original description)
Eupatorium hammatocladum Britton & B.L.Rob. accepted as Koanophyllon hammatocladum (B.L.Rob. & Britton) R.M.King & H.Rob. (original description)
Eupatorium humile (Benth.) B.L.Rob. accepted as Lourteigia humilis (Benth.) R.M.King & H.Rob. (original description)
Eupatorium hylibates B.L.Rob. accepted as Jaramilloa hylibates (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium intercostulatum B.L.Rob. accepted as Ageratina intercostulata (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium inulifolium f. typicum B.L.Rob. (original description)
Eupatorium iridolepis B.L.Rob. accepted as Chromolaena iridolepis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium jahnii B.L.Rob. accepted as Ageratina jahnii (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium lanulatum B.L.Rob. accepted as Lourteigia lanulata (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium macrophylloides B.L.Rob. accepted as Critoniella vargasiana (DC.) R.M.King & H.Rob. (original description)
Eupatorium magdalenense B.L.Rob. accepted as Fleischmannia magdalenensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium maxonii B.L.Rob. accepted as Bartlettina maxonii (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium meridense B.L.Rob. accepted as Chromolaena meridensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium microdon B.L.Rob. accepted as Critoniadelphus microdon (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium miserum B.L.Rob. accepted as Fleischmannia misera (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium ornithophorum B.L.Rob. accepted as Ayapana ornithophora (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium oxylepis var. typicum B.L.Rob. accepted as Chromolaena oxylepis (DC.) R.M.King & H.Rob. (original description)
Eupatorium pennellii B.L.Rob. accepted as Fleischmannia pennellii (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium perezioides B.L.Rob. accepted as Bartlettina perezioides (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium rorulentum B.L.Rob. accepted as Ageratina elegans (Kunth) R.M.King & H.Rob. (original description)
Eupatorium rothrockii var. shrevei B.L.Rob. accepted as Ageratina rothrockii (A.Gray) R.M.King & H.Rob. (original description)
Eupatorium rothrockii var. typicum B.L.Rob. accepted as Ageratina rothrockii (A.Gray) R.M.King & H.Rob. (original description)
Eupatorium sciaphilum B.L.Rob. accepted as Neomirandea sciaphila (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium sciatraphes B.L.Rob. accepted as Koanophyllon sciatraphes (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium solidaginoides var. typicum B.L.Rob. accepted as Koanophyllon solidaginoides (Kunth) R.M.King & H.Rob. (original description)
Eupatorium squalidum var. typicum B.L.Rob. accepted as Chromolaena squalida (DC.) R.M.King & H.Rob. (original description)
Eupatorium squiresii Rusby ex B.L.Rob. accepted as Ayapana trinitensis (Kuntze) R.M.King & H.Rob. (original description)
Eupatorium squiresii Rusby accepted as Ayapana trinitensis (Kuntze) R.M.King & H.Rob. (original description)
Eupatorium tacotanum f. apodum B.L.Rob. accepted as Chromolaena tacotana (Klatt) R.M.King & H.Rob. (original description)
Eupatorium tacotanum f. normale B.L.Rob. accepted as Chromolaena tacotana (Klatt) R.M.King & H.Rob. (original description)
Eupatorium tacotanum var. trineurolepis B.L.Rob. accepted as Chromolaena tacotana (Klatt) R.M.King & H.Rob. (original description)
Eupatorium tacotanum var. typicum B.L.Rob. accepted as Chromolaena tacotana (Klatt) R.M.King & H.Rob. (original description)
Eupatorium tovarense B.L.Rob. accepted as Ayapana tovarensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium trianae B.L.Rob. accepted as Barrosoa trianae (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium turbacense var. typicum B.L.Rob. accepted as Ayapana turbacensis (Hieron.) R.M.King & H.Rob. (original description)
Eupatorium turczaninowii B.L.Rob. accepted as Aristeguietia glutinosa (Lam.) R.M.King & H.Rob. (original description)
Eupatorium uromeres B.L.Rob. accepted as Chromolaena uromeres (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium xestolepis B.L.Rob. accepted as Chromolaena xestolepis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium zinniifolium B.L.Rob. accepted as Ageratina zinniifolia (B.L.Rob.) R.M.King & H.Rob. (original description)
Fleischmannia repens B.L.Rob. accepted as Ageratina repens (B.L.Rob.) R.M.King & H.Rob. (original description)
Kuhnia oreithales B.L.Rob. accepted as Brickellia oreithales (B.L.Rob.) Shinners (original description)