Adenostemma suffruticosum Gardner (original description)
Albertinia goyazensis Gardner accepted as Eremanthus goyazensis (Gardner) Sch.Bip. (original description)
Brachyscome decipiens Hook.f. (original description)
Brachyscome tenuiscapa Hook.f. (original description)
Campuloclinium alternifolium Gardner (original description)
Campuloclinium hirsutum Gardner (original description)
Centropappus Hook.f. (original description)
Centropappus brunonis Hook.f. accepted as Senecio centropappus F.Muell. (original description)
Chromolaena epaleacea Gardner (original description)
Chrysopsis villosa var. minor Hook. accepted as Heterotheca villosa var. minor (Hook.) Semple (original description)
Craspedia alpina Backh. ex Hook.f. accepted as Craspedia macrocephala Hook. (original description)
Crepis nutans Geyer accepted as Microseris nutans (Hook.) Sch.Bip. (original description)
Ctenosperma Hook.f. accepted as Cotula Tourn. ex L. (original description)
Ctenosperma alpinum Hook.f. accepted as Cotula alpina (Hook.f.) Hook.f. (original description)
Elephantopus elongatus Gardner (original description)
Elephantopus racemosus Gardner (original description)
Elephantopus riparius Gardner (original description)
Elephantopus vaginatus Gardner accepted as Elephantopus palustris Gardner (original description)
Emphysopus Hook.f. accepted as Solenogyne Cass. (original description)
Emphysopus gunnii Hook.f. accepted as Solenogyne gunnii (Hook.f.) Cabrera (original description)
Erechtites candicans Hook.f. accepted as Senecio georgianus DC. (original description)
Erechtites gunnii Hook.f. accepted as Senecio gunnii (Hook.f.) Belcher (original description)
Erigeron acer var. glabratus (Hoppe) Hook. (original description)
Eurybiopsis gracilis Hook.f. accepted as Vittadinia gracilis (Hook.f.) N.T.Burb. (original description)
Eurybiopsis scabrida Hook.f. accepted as Vittadinia australis A.Rich. (original description)
Flotovia candolleana Gardner accepted as Dasyphyllum candolleanum (Gardner) Cabrera (original description)
Flotovia doniana Gardner accepted as Dasyphyllum donianum (Gardner) Cabrera (original description)
Flotovia floribunda Gardner accepted as Dasyphyllum floribundum (Gardner) Cabrera (original description)
Flotovia fodinarum Gardner accepted as Dasyphyllum fodinarum (Gardner) Cabrera (original description)
Flotovia imbricata Gardner accepted as Dasyphyllum reticulatum (DC.) Cabrera (original description)
Flotovia latifolia Gardner accepted as Dasyphyllum latifolium (Gardner) Cabrera (original description)
Flotovia lessingiana Gardner accepted as Dasyphyllum sprengelianum (Gardner) Cabrera (original description)
Flotovia sprengeliana Gardner accepted as Dasyphyllum sprengelianum (Gardner) Cabrera (original description)
Flotovia sprengeliana var. inermis Gardner accepted as Dasyphyllum sprengelianum (Gardner) Cabrera (original description)
Flotovia vagans Gardner accepted as Dasyphyllum vagans (Gardner) Cabrera (original description)
Flotovia varians Gardner accepted as Dasyphyllum varians (Gardner) Cabrera (original description)
Gnaphalium indutum Hook.f. (original description)
Haplopappus pappocromus (Labill.) Hook.f. (original description)
Jungia affinis Gardner accepted as Jungia floribunda Less. (original description)
Kanimia Gardner accepted as Mikania Willd. (original description)
Lagenophora latifolia Hook.f. (original description)
Lagenophora montana Hook.f. (original description)
Mikania thunbergiifolia Gardner accepted as Mikania cordifolia (L.f.) Willd. (original description)
Moquinia cinerea Gardner (original description)
Moquinia congesta Gardner accepted as Gochnatia paniculata (Less.) Cabrera accepted as Moquiniastrum paniculatum (Less.) G. Sancho (original description)
Moquinia cratensis Gardner (original description)
Moquinia desertorum Gardner accepted as Gochnatia paniculata (Less.) Cabrera accepted as Moquiniastrum paniculatum (Less.) G. Sancho (original description)
Moquinia flavescens Gardner (original description)
Moquinia oligocephala Gardner accepted as Moquiniastrum oligocephalum (Gardner) G. Sancho (original description)
Ozothamnus lycopodioides Hook.f. (original description)
Pterygopappus Hook.f. (original description)
Pterygopappus lawrencii Hook.f. (original description)
Rhodactinea Gardner accepted as Barnadesia Mutis (original description)
Rhodactinea rosea (Lindl.) Gardner accepted as Barnadesia caryophylla (Vell.) S.F.Blake (original description)
Seris amplexifolia Gardner accepted as Richterago amplexifolia (Gardner) Kuntze accepted as Richterago discoidea (Less.) Kuntze (original description)
Seris angustifolia Gardner accepted as Richterago angustifolia (Gardner) Roque (original description)
Seris vaginata Gardner accepted as Richterago discoidea (Less.) Kuntze (original description)
Stilpnopappus emarginatus Gardner (original description)
Stilpnopappus glomeratus Gardner (original description)
Stilpnopappus riedelianus Gardner accepted as Paralychnophora bicolor (DC.) MacLeish (original description)
Trichogonia laxa Gardner (original description)
Trichogonia menthifolia Gardner accepted as Trichogonia eupatorioides (Gardner) R.M.King & H.Rob. (original description)
Trixis calcarea Gardner accepted as Trixis divaricata subsp. divaricata accepted as Trixis divaricata (Kunth) Spreng. accepted as Trixis antimenorrhoea (Schrank) Kuntze (original description)
Trixis odoratissima Gardner accepted as Trixis antimenorrhoea (Schrank) Kuntze (original description)
Trixis ophiorhiza Gardner (original description)
Trixis picroides Gardner accepted as Trixis lessingii DC. (original description)
Trixis spicata Gardner (original description)
Trixis sprengeliana Gardner accepted as Trixis antimenorrhoea (Schrank) Kuntze (original description)
Vernonia chrysophylla Gardner accepted as Chrysolaena herbacea (Vell.) H.Rob. (original description)
Vernonia davalliaefolia Gardner accepted as Lessingianthus obscurus (Less.) H.Rob. (original description)
Vernonia ehretiifolia Gardner accepted as Lessingianthus varroniifolius (DC.) H.Rob. (original description)
Vernonia elegans Gardner accepted as Lessingianthus elegans (Gardner) H.Rob. (original description)
Vernonia graminifolia Gardner accepted as Lessingianthus graminifolius (Gardner) Dematt. (original description)
Vernonia hoveifolia Gardner (original description)
Vernonia missionis Gardner accepted as Vernonanthura cymosa (Vell.) H.Rob. (original description)
Vernonia monocephala Gardner accepted as Lessingianthus monocephalus (Gardner) H.Rob. (original description)
Vernonia oligocephala Gardner accepted as Lepidaploa aurea (Mart. ex DC.) H.Rob. (original description)
Vernonia pungens Gardner accepted as Echinocoryne pungens (Gardner) H.Rob. (original description)
Vernonia radula Gardner accepted as Lessingianthus carduoides (Baker) H.Rob. (original description)
Vernonia resinosa Gardner accepted as Lepidaploa rufogrisea (A. St.-Hil.) H.Rob. (original description)
Vernonia squamosa Gardner accepted as Lessingianthus buddleiifolius (Mart. ex DC.) H.Rob. (original description)