Albertinia arborea Gardner accepted as Eremanthus arboreus (Gardner) MacLeish (original description)
Albertinia bicolor Gardner accepted as Eremanthus incanus (Less.) Less. (original description)
Albertinia candolleana Gardner accepted as Eremanthus erythropappus (DC.) MacLeish (original description)
Albertinia stellata Gardner accepted as Eremanthus glomerulatus Less. (original description)
Bolbostylis Gardner accepted as Ayapanopsis R.M.King & H.Rob. (original description)
Brachyscome squalida Hook.f. accepted as Brachyscome rigidula (DC.) G.L.Davis (original description)
Bulbostylis oblongifolia Gardner accepted as Ayapanopsis oblongifolia (Gardner) R.M.King & H.Rob. (original description)
Chresta intermedia Gardner accepted as Chresta sphaerocephala DC. (original description)
Chromolaena decumbens Gardner (original description)
Chromolaena leucocephala Gardner (original description)
Decachaeta Gardner accepted as Acritopappus R.M.King & H.Rob. (original description)
Elephantopus palustris Gardner (original description)
Lagascea campestris Gardner accepted as Lagascea mollis Cav. (original description)
Lagascea kunthiana Gardner accepted as Lagascea mollis Cav. (original description)
Lorentea ramosissima Gardner (original description)
Lychnophora affinis Gardner accepted as Lychnophora ericoides Mart. (original description)
Lychnophora albertinioides Gardner (original description)
Lychnophora martiana Gardner accepted as Lychnophora salicifolia Mart. (original description)
Lychnophora passerina (Mart. ex DC.) Gardner (original description)
Lychnophora ramosissima Gardner (original description)
Lychnophora reticulata Gardner (original description)
Lychnophora subulata Gardner accepted as Lychnophora passerina (Mart. ex DC.) Gardner (original description)
Mikania campanulata Gardner (original description)
Mikania candolleana Gardner (original description)
Mikania coarctata Gardner (original description)
Mikania itambana Gardner (original description)
Mikania nigricans Gardner (original description)
Mikania pernambucensis Gardner (original description)
Mikania populifolia Gardner (original description)
Mikania premnifolia Gardner (original description)
Mikania ramosissima Gardner (original description)
Mikania reticulata Gardner (original description)
Mikania salviifolia Gardner (original description)
Mikania stylosa Gardner (original description)
Monosis brasiliensis Gardner accepted as Eremanthus brasiliensis (Gardner) MacLeish (original description)
Stevia collina Gardner (original description)
Stevia resinosa Gardner (original description)
Stilpnopappus dentatus Gardner accepted as Stilpnopappus pratensis Mart. ex DC. (original description)
Stilpnopappus procumbens Gardner accepted as Stilpnopappus trichospiroides Mart. ex DC. (original description)
Stilpnopappus suffruticosus Gardner (original description)
Stilpnopappus tomentosus Gardner accepted as Stilpnopappus pratensis Mart. ex DC. (original description)
Trichogonia Gardner (original description)
Trichogonia campestris Gardner (original description)
Trichogonia salviifolia Gardner (original description)
Vernonia acutangula Gardner accepted as Lepidaploa acutiangula (Gardner) H.Rob. (original description)
Vernonia adamantium Gardner accepted as Lepidaploa adamantium (Gardner) H.Rob. (original description)
Vernonia ammophila Gardner accepted as Lessingianthus ammophilus (Gardner) H.Rob. (original description)
Vernonia ararana Gardner accepted as Acilepidopsis echitifolia (Mart. ex DC.) H.Rob. (original description)
Vernonia araripensis Gardner accepted as Lepidaploa araripensis (Gardner) H.Rob. (original description)
Vernonia arcuata Gardner accepted as Lessingianthus linearis (Spreng.) H.Rob. (original description)
Vernonia arenaria Gardner accepted as Lepidaploa grisea (Baker) H.Rob. (original description)
Vernonia burchelliana Gardner accepted as Piptolepis oleaster (Mart. ex DC.) Sch.Bip. (original description)
Vernonia chromolepis Gardner accepted as Lessingianthus rubricaulis (Humb. & Bonpl.) H.Rob. (original description)
Vernonia clavata Gardner (original description)
Vernonia collina Gardner accepted as Vernonanthura mucronulata (Less.) H.Rob. (original description)
Vernonia compacta Gardner (original description)
Vernonia corcovadensis Gardner accepted as Vernonanthura phosphorica (Vell.) H.Rob. (original description)
Vernonia crenata Gardner accepted as Vernonanthura ferruginea (Less.) H.Rob. (original description)
Vernonia cuneifolia Gardner accepted as Vernonanthura cuneifolia (Gardner) H.Rob. (original description)
Vernonia eriolepis Gardner accepted as Lepidaploa eriolepis (Gardner) H.Rob. (original description)
Vernonia estrellensis Gardner accepted as Vernonanthura puberula (Less.) H.Rob. (original description)
Vernonia fagifolia Gardner accepted as Vernonanthura fagifolia (Gardner) H.Rob. (original description)
Vernonia floccosa Gardner accepted as Lessingianthus floccosus (Gardner) H.Rob. (original description)
Vernonia florida Gardner accepted as Vernonanthura montevidensis (Spreng.) H.Rob. (original description)
Vernonia foliosa Gardner accepted as Lessingianthus linearifolius (Less.) H.Rob. (original description)
Vernonia imbricata Gardner accepted as Piptolepis imbricata (Gardner) Sch.Bip. (original description)
Vernonia lanuginosa Gardner accepted as Cyrtocymura lanuginosa (Gardner) H.Rob. (original description)
Vernonia laxa Gardner accepted as Vernonanthura laxa (Gardner) H.Rob. (original description)
Vernonia martiana Gardner accepted as Piptolepis martiana (Gardner) Sch.Bip. (original description)
Vernonia membranacea Gardner accepted as Vernonanthura membranacea (Gardner) H.Rob. (original description)
Vernonia neriifolia Gardner accepted as Vernonanthura membranacea (Gardner) H.Rob. (original description)
Vernonia nitens Gardner accepted as Lepidaploa nitens (Gardner) H.Rob. (original description)
Vernonia oblonga Gardner accepted as Piptocarpha oblonga (Gardner) Baker (original description)
Vernonia oleaster Gardner accepted as Piptolepis gardneri Baker (original description)
Vernonia palustris Gardner accepted as Dasyanthina palustris (Gardner) H.Rob. (original description)
Vernonia platycephala Gardner accepted as Albertinia brasiliensis Spreng. (original description)
Vernonia reflexa Gardner accepted as Lepidaploa reflexa (Gardner) H.Rob. (original description)
Vernonia reticulata Gardner accepted as Lessingianthus bardanoides (Less.) H.Rob. (original description)
Vernonia riedeliana Gardner accepted as Paralychnophora bicolor (DC.) MacLeish (original description)
Vernonia sarmentiana Gardner accepted as Lepidaploa arenaria (Mart. ex DC.) H.Rob. (original description)
Vernonia stricta Gardner accepted as Echinocoryne stricta (Gardner) H.Rob. (original description)
Vernonia subcordata Gardner accepted as Lepidaploa spixiana (Mart. ex DC.) H.Rob. (original description)
Vernonia tricephala Gardner accepted as Lepidaploa rufogrisea (A. St.-Hil.) H.Rob. (original description)