Acoma Benth. accepted as Coreocarpus Benth. (original description)
Acoma dissecta Benth. accepted as Coreocarpus dissectus (Benth.) S.F.Blake (original description)
Amauria Benth. (original description)
Amauria rotundifolia Benth. (original description)
Baccharis spartea Benth. (original description)
Bahia latifolia Benth. accepted as Eriophyllum lanatum var. arachnoideum (Fisch. & Avé-Lall.) Jeps. (original description)
Brickellia hastata Benth. (original description)
Carphephorus junceus Benth. accepted as Aster squamatus (Spreng.) Hieron. (original description)
Chrysopsis echioides Benth. accepted as Heterotheca sessiliflora subsp. echioides (Benth.) Semple (original description)
Coelestina corymbosa Benth. (original description)
Coreocarpus Benth. (original description)
Coreocarpus parthenioides Benth. (original description)
Corethrogyne obovata Benth. accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Corethrogyne virgata Benth. accepted as Corethrogyne filaginifolia (Hook. & Arn.) Nutt. (original description)
Cosmos carvifolius Benth. (original description)
Dyssodia anthemidifolia Benth. accepted as Boeberastrum anthemidifolium (Benth.) Rydb. (original description)
Encelia conspersa Benth. (original description)
Encelia nivea Benth. accepted as Helianthus niveus (Benth.) Brandegee (original description)
Ericameria diffusum Benth. (original description)
Eupatorium barclayanum Benth. accepted as Ayapana amygdalina (Lam.) R.M.King & H.Rob. (original description)
Eupatorium compactum Benth. accepted as Aristeguietia persicifolia (Kunth) R.M.King & H.Rob. (original description)
Franseria chenopodiifolia Benth. accepted as Ambrosia chenopodiifolia (Benth.) W.W.Payne (original description)
Franseria hispida Benth. accepted as Ambrosia camphorata (Greene) W.W.Payne (original description)
Galinsoga hispida Benth. accepted as Galinsoga quadriradiata Ruiz & Pav. (original description)
Galinsoga urticifolia (Kunth) Benth. accepted as Galinsoga quadriradiata Ruiz & Pav. (original description)
Gymnopsis divaricata Benth. accepted as Sclerocarpus divaricatus (Benth.) Benth. & Hook.f. ex Hemsl. (original description)
Gynoxys scabra Benth. accepted as Pseudogynoxys scabra (Benth.) Cuatrec. (original description)
Gynoxys sinclairii Benth. accepted as Pseudogynoxys sonchoides (Kunth) Cuatrec. (original description)
Haplopappus arenarius Benth. accepted as Machaeranthera arenaria (Benth.) Shinners (original description)
Haplopappus baccharoides Benth. (original description)
Helianthus scaberrimus Benth. (original description)
Helogyne Benth. accepted as Hofmeisteria Walp. (original description)
Helogyne fasciculata Benth. accepted as Hofmeisteria fasciculata (Benth.) Walp. (original description)
Hemizonia ramosissima Benth. accepted as Deinandra fasciculata (DC.) Greene (original description)
Hemizonia rudis Benth. accepted as Hemizonia congesta subsp. luzulifolia (DC.) Babc. & H.M.Hall (original description)
Heterotheca floribunda Benth. accepted as Heterotheca grandiflora Nutt. (original description)
Isocarpha divaricata Benth. accepted as Isocarpha microcephala (DC.) S.F.Blake (original description)
Lycoseris bracteata Benth. accepted as Lycoseris trinervis subsp. trinervis (original description)
Lycoseris latifolia (D.Don) Benth. accepted as Lycoseris triplinervia Less. (original description)
Lycoseris squarrosa Benth. accepted as Lycoseris crocata (Bertol.) S.F.Blake (original description)
Melampodium tenellum var. flaccidum Benth. accepted as Melampodium divaricatum (Rich.) DC. (original description)
Oxypappus Benth. (original description)
Oxypappus scaber Benth. (original description)
Pectis arenaria Benth. accepted as Pectis multiflosculosa (DC.) Sch.Bip. (original description)
Pectis multiseta Benth. (original description)
Perityle Benth. (original description)
Perityle californica Benth. (original description)
Perityle microglossa Benth. (original description)
Piqueria densiflora Benth. accepted as Ophryosporus densiflorus (Benth.) R.M.King & H.Rob. (original description)
Porophyllum gracile Benth. (original description)
Porophyllum tridentatum Benth. (original description)
Stephanomeria virgata Benth. (original description)
Tagetes microglossa Benth. (original description)
Vernonia sinclairii Benth. accepted as Vernonanthura sinclairii (Benth.) H.Rob. (original description)
Viguiera subincisa Benth. accepted as Bahiopsis subincisa (Benth.) E.E.Schill. & Panero (original description)
Wedelia grandiflora Benth. (original description)