Achyrocline mollis Benth. (original description)
Adenopappus Benth. accepted as Tagetes L. (original description)
Adenopappus persicifolius Benth. (original description)
Adenostemma hirtiflorum Benth. (original description)
Ambrosia fruticosa var. canescens Benth. accepted as Ambrosia canescens A.Gray (original description)
Andrieuxia quitensis Benth. accepted as Viguiera quitensis (Benth.) S.F.Blake (original description)
Antennaria argentea (Gray) Benth. (original description)
Arnica discoides Benth. (original description)
Aster spinosus Benth. accepted as Chloracantha spinosa (Bentham) G. L. Nesom (original description)
Baccharis balsamifera Benth. accepted as Baccharis buxifolia (Lam.) Pers. (original description)
Baccharis ilinissae Benth. accepted as Loricaria ilinissae (Benth.) Cuatrec. (original description)
Baccharis loxensis Benth. accepted as Baccharis sinuata Kunth (original description)
Baccharis marcetiifolia Benth. (original description)
Baccharis ustulata Benth. accepted as Baccharis micrantha Kunth (original description)
Balsamorhiza glabrescens Benth. accepted as Balsamorhiza deltoidea Nutt. (original description)
Barnadesia corymbosa var. aculeata Benth. accepted as Barnadesia aculeata (Benth.) I.C. Chung (original description)
Berlandiera lyrata Benth. (original description)
Caloseris Benth. accepted as Onoseris Willd. (original description)
Caloseris rupestris Benth. accepted as Onoseris onoseroides (Kunth) B.L.Rob. (original description)
Chromolepis Benth. (original description)
Chromolepis heterophylla Benth. (original description)
Cirsium heterolepis Benth. accepted as Cirsium subcoriaceum (Less.) Sch.Bip. ex Sch.Bip. (original description)
Cirsium maximum Benth. accepted as Cirsium subcoriaceum (Less.) Sch.Bip. ex Sch.Bip. (original description)
Cirsium radians Benth. (original description)
Clavigera scabra Benth. accepted as Brickellia scoparia (DC.) A.Gray (original description)
Clomenocoma montana Benth. accepted as Comaclinium montanum (Benth.) Strother (original description)
Conoclinium humile Benth. accepted as Lourteigia humilis (Benth.) R.M.King & H.Rob. (original description)
Corethrogyne incana var. rigida Benth. accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Cosmos reptans Benth. accepted as Cosmos bipinnatus Cav. (original description)
Culcitium adscendens Benth. accepted as Senecio lingulatus (Willd. ex Schltdl.) Cuatrec. (original description)
Culcitium hyoseridis Benth. (original description)
Culcitium rosmarinifolium Benth. accepted as Pentacalia rosmarinifolia (Benth.) Cuatrec. (original description)
Epilepis Benth. accepted as Coreopsis L. (original description)
Epilepis rudis Benth. accepted as Coreopsis rudis (Benth.) Benth. & Hook.f. ex Hemsl. (original description)
Erigeron apiculatus Benth. (original description)
Erigeron decumbens Benth. accepted as Erigeron foliosus Nutt. (original description)
Erigeron uliginosus Benth. (original description)
Eupatorium amplum Benth. accepted as Ageratina ampla (Benth.) R.M.King & H.Rob. (original description)
Eupatorium arbutifolium Benth. accepted as Ageratina arbutifolia (Benth.) R.M.King & H.Rob. (original description)
Eupatorium bellidifolium Benth. accepted as Ageratina bellidifolia (Benth.) R.M.King & H.Rob. (original description)
Eupatorium buddleifolium Benth. accepted as Aristeguietia buddleifolia (Benth.) R.M.King & H.Rob. (original description)
Eupatorium densum Benth. accepted as Asplundianthus densus (Benth.) R.M.King & H.Rob. (original description)
Eupatorium hartwegii Benth. accepted as Conoclinium betonicifolium (Mill.) R.M.King & H.Rob. (original description)
Eupatorium latipes Benth. accepted as Ageratina latipes (Benth.) R.M.King & H.Rob. (original description)
Eupatorium leucocephalum Benth. accepted as Fleischmanniopsis leucocephala (Benth.) R.M.King & H.Rob. (original description)
Eupatorium multinerve Benth. accepted as Fleischmannia multinervis (Benth.) R.M.King & H.Rob. (original description)
Eupatorium nubigenum Benth. accepted as Critoniadelphus nubigenus (Benth.) R.M.King & H.Rob. (original description)
Eupatorium pomaderrifolium Benth. accepted as Ageratina asclepiadea (L.f.) R.M.King & H.Rob. (original description)
Eupatorium pseudochilca Benth. accepted as Ageratina pseudochilca (Benth.) R.M.King & H.Rob. (original description)
Eupatorium rigidum Benth. accepted as Brickellia paniculata (Mill.) B.L.Rob. (original description)
Eupatorium semialatum Benth. accepted as Ageratina ligustrina (DC.) R.M.King & H.Rob. (original description)
Eupatorium theifolium Benth. (original description)
Eupatorium tubiflorum Benth. accepted as Piptothrix areolaris (DC.) R.M.King & H.Rob. (original description)
Eupatorium umbrosum Benth. accepted as Ageratina pseudochilca (Benth.) R.M.King & H.Rob. (original description)
Eupatorium vacciniifolium Benth. (original description)
Gnaphalium poeppigianum Benth. (original description)
Gnaphalium radians Benth. accepted as Belloa radians (Benth.) Sagást. & M.O.Dillon accepted as Mniodes radians (Benth.) S.E.Freire, Chemisquy, Anderb. & Urtubey (original description)
Haplopappus gramineus Benth. accepted as Pityopsis graminifolia (Michx.) Nutt. (original description)
Hebeclinium macrocephalum Benth. accepted as Bartlettina macrocephala (Benth.) R.M.King & H.Rob. (original description)
Hebeclinium tetragonum Benth. (original description)
Heliogenes Benth. accepted as Jaegeria Kunth (original description)
Heliogenes longifolia Benth. (original description)
Heliogenes reglae Benth. (original description)
Heterochaeta stricta Benth. accepted as Laennecia gnaphalioides (Kunth) Cass. (original description)
Hieracium leptocephalum Benth. (original description)
Hieracium loxense Benth. (original description)
Homoianthus scaber Benth. accepted as Perezia pungens Less. (original description)
Hymenatherum berlandieri Benth. (original description)
Laestadia rupestris Benth. (original description)
Lagophylla dichotoma Benth. (original description)
Leucopsidium humile Benth. accepted as Aphanostephus ramosissimus var. humilis (Benth.) B.L.Turner & Birdsong (original description)
Liabum erigeroides Benth. accepted as Oritrophium peruvianum (Lam.) Cuatrec. (original description)
Linochilus Benth. (original description)
Linochilus floribundus Benth. accepted as Diplostephium floribundum (Benth.) Wedd. (original description)
Linochilus rosmarinifolius Benth. (original description)
Malacothrix obtusa Benth. accepted as Malacothrix floccifera (DC.) S.F.Blake (original description)
Malacothrix parviflora Benth. accepted as Malacothrix floccifera (DC.) S.F.Blake (original description)
Melampodium montanum Benth. (original description)
Melampodium pumilum Benth. accepted as Melampodium divaricatum (Rich.) DC. (original description)
Microchaete Benth. accepted as Monticalia C.Jeffrey (original description)
Microchaete corymbosa Benth. accepted as Pentacalia corymbosa (Benth.) Cuatrec. (original description)
Microchaete glabrata Benth. (original description)
Microchaete pulchella (Kunth) Benth. accepted as Monticalia pulchella (Kunth) C.Jeffrey (original description)
Microchaete teretifolia (Kunth) Benth. accepted as Pentacalia teretifolia (Kunth) Cuatrec. (original description)
Microchaete trichopus Benth. accepted as Pentacalia trichopus (Benth.) Cuatrec. (original description)
Microchaete vaccinioides (Kunth) Benth. accepted as Pentacalia vaccinioides (Kunth) Cuatrec. (original description)
Microrhynchus humilis Benth. accepted as Agoseris apargioides (Less.) Greene (original description)
Microrhynchus retrorsus Benth. accepted as Agoseris retrorsa (Benth.) Greene (original description)
Microspermum debile Benth. (original description)
Mikania bogotensis Benth. (original description)
Mikania caudata Benth. accepted as Mikania banisteriae DC. (original description)
Mikania corymbulosa Benth. (original description)
Mikania leiostachya Benth. (original description)
Mikania rufa Benth. (original description)
Monolopia bahiifolia Benth. accepted as Pseudobahia bahiifolia (Benth.) Rydb. (original description)
Monosis foliosa Benth. accepted as Eremosis foliosa (Benth.) Gleason accepted as Critoniopsis foliosa (Benth.) H.Rob. (original description)
Munnozia senecionidis Benth. (original description)
Onoseris eriocephala Benth. accepted as Hieracium erianthum Kunth (original description)
Oxylepis Benth. accepted as Helenium L. (original description)
Oxylepis lanata Benth. accepted as Dugaldia integrifolia (Kunth) Cass. (original description)