Achyrocline alata var. vauthieriana (DC.) Baker accepted as Achyrocline alata (Kunth) DC. (original description)
Achyrocline satureioides var. albicans (Griseb.) Baker accepted as Achyrocline gardnerii (Baker) Deble & Marchiori (original description)
Achyrocline satureioides var. candicans (DC.) Baker accepted as Achyrocline candicans (Kunth) DC. (original description)
Achyrocline satureioides var. vargasiana (DC.) Baker accepted as Achyrocline vargasiana DC. (original description)
Aspilia asperrima var. latifolia Baker accepted as Aspilia attenuata (Gardner) Baker (original description)
Aspilia buphthalmiflora var. angustifolia (DC.) Baker accepted as Aspilia montevidensis (Spreng.) Kuntze (original description)
Aspilia buphthalmiflora var. calendulacea (DC.) Baker (original description)
Aspilia foliacea var. angustifolia (Gardner) Baker accepted as Aspilia foliacea (Spreng.) Baker (original description)
Aspilia foliacea var. hirsuta (Gardner) Baker accepted as Aspilia foliacea (Spreng.) Baker (original description)
Aspilia foliacea var. oblonga Baker accepted as Aspilia foliacea (Spreng.) Baker (original description)
Aster divaricatus var. graminifolius (Spreng.) Baker accepted as Symphyotrichum graminifolium (Spreng.) G.L.Nesom (original description)
Baccharis articulata var. gaudichaudiana (DC.) Baker accepted as Baccharis articulata (Lam.) Pers. (original description)
Baccharis calvescens var. villosa Baker accepted as Baccharis calvescens DC. (original description)
Baccharis genistelloides var. brachystachys Baker (original description)
Baccharis genistelloides var. crispa (Spreng.) Baker accepted as Baccharis genistelloides subsp. crispa (Spreng.) Joch.Müll. (original description)
Baccharis genistelloides var. cylindrica (Less.) Baker accepted as Baccharis genistelloides subsp. crispa (Spreng.) Joch.Müll. (original description)
Baccharis genistelloides var. milleflora (Less.) Baker accepted as Baccharis milleflora (Less.) DC. (original description)
Baccharis genistelloides var. trimera (Less.) Baker accepted as Baccharis genistelloides subsp. crispa (Spreng.) Joch.Müll. (original description)
Baccharis genistelloides var. typica Baker (original description)
Baccharis helichrysoides var. leucopappa (DC.) Baker accepted as Baccharis leucopappa DC. (original description)
Baccharis incisa var. dentata (DC.) Baker accepted as Baccharis gaucha G.Heiden (original description)
Baccharis junciformis var. triptera Baker accepted as Baccharis junciformis DC. (original description)
Baccharis lundii var. punctigera (DC.) Baker accepted as Baccharis serrulata (Lam.) Pers. (original description)
Baccharis oxyodonta var. punctulata (DC.) Baker accepted as Baccharis punctulata DC. (original description)
Baccharis rufescens var. leptocephala (DC.) Baker accepted as Baccharis leptocephala DC. (original description)
Baccharis rufescens var. leptophylla (DC.) Baker accepted as Baccharis linearifolia (Lam.) Pers. (original description)
Baccharis rufescens var. tenuifolia (DC.) Baker accepted as Baccharis linearifolia (Lam.) Pers. (original description)
Baccharis rufescens var. varians (Gardner) Baker accepted as Baccharis leptocephala DC. (original description)
Baccharis sagittalis var. montevidensis Baker (original description)
Baccharis serrulata var. pingraea (DC.) Baker accepted as Baccharis glutinosa Pers. (original description)
Baccharis subopposita var. affinis (DC.) Baker accepted as Baccharis tridentata Vahl (original description)
Baccharis trinervis var. cinerea (DC.) Baker accepted as Baccharis cinerea DC. (original description)
Baccharis trinervis var. rhexioides (Kunth) Baker accepted as Baccharis trinervis Pers. (original description)
Bidens rubifolia var. coreopsidis (DC.) Baker accepted as Bidens reptans (L.) G.Don (original description)
Bidens rubifolia var. monticola (Poepp. & Endl.) Baker accepted as Bidens monticola Poepp. & Endl. (original description)
Blainvillea rhomboidea var. polycephala (Gardner) Baker accepted as Spilanthes acmella (L.) Murray accepted as Blainvillea acmella (L.) Philipson (original description)
Blainvillea rhomboidea var. racemosa (Gardner) Baker accepted as Spilanthes acmella (L.) Murray accepted as Blainvillea acmella (L.) Philipson (original description)
Calea clausseniana var. balansana Baker accepted as Calea verticillata (Klatt) Pruski (original description)
Calea clausseniana var. regnelliana Baker accepted as Tetrachyron grayi (Klatt) Wussow & Urbatsch (original description)
Calea clausseniana var. riedeliana Baker accepted as Tetrachyron grayi (Klatt) Wussow & Urbatsch (original description)
Calea cymosa var. trichophylla Baker accepted as Calea cymosa Less. (original description)
Calea multiplinervia var. angustifolia (Gardner) Baker accepted as Calea multiplinervia Less. (original description)
Calea pohliana var. burchelliana Baker accepted as Calea pohliana Sch.Bip. ex Baker (original description)
Chaptalia integrifolia var. leiocarpa (DC.) Baker (original description)
Chuquiraga tomentosa var. lanceolata (Less.) Baker accepted as Dasyphyllum lanceolatum (Less.) Cabrera (original description)
Eclipta lanceolata var. longifolia Baker (original description)
Egletes viscosa var. sprucei Baker accepted as Egletes viscosa (L.) Less. (original description)
Erechtites valerianifolius var. organensis (Gardner) Baker (original description)
Erigeron maximus var. minor Baker accepted as Leptostelma maximum D.Don (original description)
Erigeron maximus var. palustris (Gardner) Baker accepted as Leptostelma maximum D.Don (original description)
Gaillardia megapotamica var. radiata (Griseb.) Baker (original description)
Gnaphalium purpureum var. filagineum (DC.) Baker accepted as Gnaphalium filagineum DC. (original description)
Gnaphalium radians var. stachidifolium (Nutt.) Baker accepted as Gamochaeta stachydifolia (Lam.) Cabrera (original description)
Hypochaeris brasiliensis var. microcephala (Sch.Bip.) Baker accepted as Hypochaeris microcephala (Sch.Bip.) Cabrera (original description)
Hypochaeris brasiliensis var. tweediei (Hook. & Arn.) Baker accepted as Hypochaeris chillensis (Kunth) Britton (original description)
Isostigma speciosum var. riedelii Baker accepted as Isostigma riedelii (Baker) Chodat (original description)
Jaegeria hirta var. glabra Baker accepted as Jaegeria hirta (Lag.) Less. (original description)
Jungia floribunda var. affinis (Gardner) Baker accepted as Jungia floribunda Less. (original description)
Leucopsis sericea var. eriophora (J.Rémy ex J.Rémy ex C.Gay) Baker accepted as Noticastrum eriophorum J.Rémy (original description)
Leucopsis tweediei var. pilosa Baker accepted as Leptostelma tweediei (Hook. & Arn.) D.J.N.Hind & G.L.Nesom (original description)
Moquinia polymorpha var. cinerea (Hook. & Arn.) Baker (original description)
Pectis oligocephala var. affinis (Gardner) Baker (original description)
Riencourtia oblongifolia var. angustifolia (Gardner) Baker (original description)
Senecio bridgesii var. leptolobus Baker (original description)
Senecio crassiflorus var. tricuspis Baker accepted as Senecio crassiflorus (Poir.) DC. (original description)
Senecio leptoschizus var. leptocladus Baker accepted as Senecio leptoschizus Bong. (original description)
Senecio pulicarioides var. auriculatus Baker (original description)
Seris amplexifolia var. vaginata (Gardner) Baker (original description)
Solidago microglossa var. linearifolia (DC.) Baker accepted as Solidago chilensis Meyen (original description)
Soliva sessilis var. barclayana (DC.) Baker accepted as Soliva sessilis Ruiz & Pav. (original description)
Spilanthes arnicoides var. leptophylla (DC.) Baker accepted as Acmella leptophylla (DC.) R.K.Jansen (original description)
Spilanthes arnicoides var. macropoda (DC.) Baker accepted as Acmella decumbens (Sm.) R.K.Jansen (original description)
Spilanthes stolonifera var. pusilla (Hook. & Arn.) Baker accepted as Acmella pusilla (Hook. & Arn.) R.K.Jansen (original description)
Stenachaenium riedelii var. minus Baker (original description)
Stifftia chrysantha var. oligantha Baker (original description)
Trichocline angustifolia var. spathulata Baker (original description)
Trichocline heterophylla var. humilis (Less.) Baker accepted as Trichocline humilis Less. (original description)
Viguiera grandiflora var. latifoliaa Baker (original description)
Xanthium strumarium var. brasilicum (Vell.) Baker (original description)