Adenocyclus Less. accepted as Piptocoma Cass. (original description)
Adenocyclus condensatus Less. accepted as Pollalesta acuminata (Kunth) Aristeg. (original description)
Albertinia incana Less. accepted as Eremanthus incanus (Less.) Less. (original description)
Centratherum chinense [Lam.] Less. accepted as Vernonia patula (Dryand.) Merr. accepted as Cyanthillium patulum (Ait.) H.Rob. (original description)
Centratherum intermedium (Link) Less. accepted as Centratherum punctatum Cass. (original description)
Centratherum muticum (Kunth) Less. accepted as Centratherum punctatum Cass. (original description)
Elephantosis Less. accepted as Elephantopus L. (original description)
Elephantosis biflora Less. accepted as Elephantopus biflorus (Less.) Sch.Bip. (original description)
Elephantosis quadrifolia Less. accepted as Orthopappus angustifolius (Sw.) Gleason (original description)
Eremanthus Less. (original description)
Eremanthus glomerulatus Less. (original description)
Eupatorium condensatum Rchb. ex Less. accepted as Pollalesta condensata (Less.) Aristeg. (original description)
Eupatorium cornifolium Willd. ex Less. accepted as Pollalesta acuminata (Kunth) Aristeg. (original description)
Eupatorium cuspidatum Willd. ex Less. accepted as Pollalesta discolor (Kunth) Aristeg. (original description)
Eupatorium cydoniifolium Willd. ex Less. (original description)
Eupatorium obovatum Willd. ex Less. accepted as Vernonia brasiliana (L.) Druce (original description)
Eupatorium polystachyum Willd. ex Less. accepted as Vernonia canescens Kunth (original description)
Lessingia Cham. (original description)
Lessingia germanorum Cham. (original description)
Oiospermum Less. (original description)
Oiospermum involucratum (Nees & Mart.) Less. (original description)
Piptocoma Less. (original description)
Piptocoma lychnophorioides Less. accepted as Lychnophora trichocarpha (Spreng.) Spreng. ex Sch.Bip. (original description)
Trichospira biaristata Less. accepted as Trichospira verticillata (L.) S.F.Blake (original description)
Vernonia achyrocoma Less. (original description)
Vernonia aristata Less. (original description)
Vernonia axillaris Less. accepted as Piptocarpha axillaris (Less.) Baker (original description)
Vernonia axilliflora Mart. ex Less. accepted as Lepidaploa cotoneaster (Willd. ex Spreng.) H.Rob. (original description)
Vernonia barbata Less. accepted as Lepidaploa barbata (Less.) H.Rob. (original description)
Vernonia beyrichii Less. accepted as Vernonanthura beyrichii (Less.) H.Rob. (original description)
Vernonia brevifolia Less. accepted as Lessingianthus brevifolius (Less.) H.Rob. (original description)
Vernonia brunioides (Mart.) Less. accepted as Lychnophora brunioides Mart. (original description)
Vernonia buxifolia (Cass.) Less. accepted as Vernonanthura buxifolia (Less.) H.Rob. (original description)
Vernonia buxoides Less. accepted as Piptolepis buxoides (Less.) Sch.Bip. (original description)
Vernonia capitata (Spreng.) Less. accepted as Eremanthus capitatus (Spreng.) MacLeish (original description)
Vernonia chamaedrys Less. accepted as Vernonanthura chamaedrys (Less.) H.Rob. (original description)
Vernonia chamissonis Less. accepted as Lepidaploa chamissonis (Less.) H.Rob. (original description)
Vernonia cinerea (L.) Less. accepted as Cyanthillium cinereum (L.) H.Rob. (original description)
Vernonia cordifolia Willd. ex Less. accepted as Vernonanthura cordata (Kunth) H.Rob. (original description)
Vernonia cotoneaster (Willd. ex Spreng.) Less. accepted as Lepidaploa cotoneaster (Willd. ex Spreng.) H.Rob. (original description)
Vernonia dichocarpa Less. accepted as Pollalesta vernonioides Kunth (original description)
Vernonia diffusa Less. accepted as Vernonanthura divaricata (Spreng.) H.Rob. (original description)
Vernonia discolor (Spreng.) Less. (original description)
Vernonia divaricata Less. accepted as Vernonia arborescens (L.) Sw. (original description)
Vernonia echioides Less. (original description)
Vernonia elongata Willd. ex Less. (original description)
Vernonia ericoides Less. accepted as Piptolepis ericoides (Less.) Sch.Bip. (original description)
Vernonia ferruginea Less. accepted as Vernonanthura ferruginea (Less.) H.Rob. (original description)
Vernonia fimbrillifera Less. (original description)
Vernonia galamensis (Cass.) Less. accepted as Centrapalus pauciflorus (Willd.) H.Rob. (original description)
Vernonia glabrata Less. accepted as Lessingianthus glabratus (Less.) H.Rob. (original description)
Vernonia hakeifolia Less. (original description)
Vernonia incana Less. (original description)
Vernonia involucrata Less. accepted as Hololepis pedunculata (DC. ex Pers.) DC. (original description)
Vernonia leprosa Less. accepted as Piptocarpha leprosa (Less.) Baker (original description)
Vernonia linearifolia Less. accepted as Lessingianthus linearifolius (Less.) H.Rob. (original description)
Vernonia lucida Less. accepted as Vernonanthura lucida (Less.) H.Rob. (original description)
Vernonia macrocephala Less. accepted as Lessingianthus macrocephalus (Less.) H.Rob. (original description)
Vernonia menthifolia Less. (original description)
Vernonia mucronulata Less. accepted as Vernonanthura mucronulata (Less.) H.Rob. (original description)
Vernonia nitidula Less. accepted as Vernonanthura montevidensis (Spreng.) H.Rob. (original description)
Vernonia notata Less. accepted as Piptocarpha notata (Less.) Baker (original description)
Vernonia nudiflora Less. accepted as Vernonanthura nudiflora (Less.) H.Rob. (original description)
Vernonia obscura Less. accepted as Lessingianthus obscurus (Less.) H.Rob. (original description)
Vernonia obtusifolia Less. accepted as Lepidaploa obtusifolia (Less.) H.Rob. (original description)
Vernonia oppositifolia Less. accepted as Critoniopsis stellata (Spreng.) H.Rob. (original description)
Vernonia ovata Less. (original description)
Vernonia patens Less. accepted as Vernonanthura phosphorica (Vell.) H.Rob. (original description)
Vernonia pauciflora (Willd.) Less. accepted as Centrapalus pauciflorus (Willd.) H.Rob. (original description)
Vernonia pinaster (Mart.) Less. accepted as Lychnophora ericoides Mart. (original description)
Vernonia pinifolia (Lam.) Less. accepted as Hilliardiella pinifolia (Less.) H.Rob. (original description)
Vernonia plantaginifolia Less. accepted as Chresta plantaginifolia (Less.) Gardner (original description)
Vernonia platensis (Spreng.) Less. accepted as Chrysolaena platensis (Spreng.) H.Rob. (original description)
Vernonia proteiformis Less. (original description)
Vernonia ramiflora Less. accepted as Piptocarpha ramiflora (Spreng.) Baker (original description)
Vernonia rosmarinifolia Less. accepted as Lessingianthus rosmarinifolius (Less.) H.Rob. (original description)
Vernonia rotundifolia Less. accepted as Piptocarpha rotundifolia (Less.) Baker (original description)
Vernonia ruboides Less. (original description)
Vernonia salicifolia (Mart.) Less. accepted as Lychnophora salicifolia Mart. (original description)
Vernonia scapigera Less. accepted as Chresta scapigera (Less.) Gardner (original description)
Vernonia sellowii Less. accepted as Lessingianthus sellowii (Less.) H.Rob. (original description)
Vernonia senegalensis (Pers.) Less. accepted as Gymnanthemum coloratum (Willd.) H.Rob. & B.Kahn (original description)
Vernonia serrata Less. accepted as Dasyanthina serrata (Less.) H.Rob. (original description)
Vernonia sessiliflora Willd. ex Less. accepted as Lepidaploa remotiflora (Rich.) H.Rob. (original description)
Vernonia speciosa Less. accepted as Stilpnopappus speciosus (Less.) Baker (original description)
Vernonia splendens (Spreng.) Less. accepted as Piptocarpha lucida (Spreng.) Benn. ex Baker (original description)
Vernonia staavioides (Mart.) Less. accepted as Lychnophora staavioides Mart. (original description)
Vernonia umbellata Less. accepted as Piptocarpha ramiflora (Spreng.) Baker (original description)
Vernonia vahliana Less. accepted as Lepidaploa glabra (Willd.) H.Rob. (original description)
Vernonia villosissima (Mart.) Less. accepted as Lychnophora villosissima Mart. (original description)
Vernonia viscidula Less. accepted as Vernonanthura viscidula (Less.) H.Rob. (original description)
Vernonia zeylanica (L.) Less. (original description)
Viviania Willd. ex Less. accepted as Liabum Adans. (original description)
Viviania bicolor Willd. ex Less. (original description)
Xantholepis Willd. ex Less. (original description)
Xantholepis tomentosa Willd. ex Less. (original description)