Aspilia callosa Chodat accepted as Sphagneticola brachycarpa (Baker) Pruski (original description)
Aspilia camporum Chodat (original description)
Aspilia induta Chodat accepted as Angelphytum indutum (Chodat) H.Rob. (original description)
Aspilia setosa f. robusta Chodat accepted as Aspilia montevidensis (Spreng.) Kuntze (original description)
Aspilia setosa var. reflexa (Sch.Bip. ex Baker) Chodat accepted as Aspilia reflexa (Sch.Bip. ex Baker) Baker (original description)
Aspilia squarrosa var. serratifolia Chodat (original description)
Bidens riedelii f. intermedia Chodat accepted as Bidens hassleriana (Chodat) A.A.Sáenz (original description)
Blainvillea biaristata f. parvifolia Chodat accepted as Calyptocarpus biaristatus (DC.) H.Rob. (original description)
Calea bakeriana var. volubilis Chodat accepted as Calea bakeriana Chodat (original description)
Calea hassleriana f. mollis (Chodat) Chodat accepted as Calea hassleriana Chodat (original description)
Calea hassleriana f. rigida Chodat accepted as Calea hassleriana Chodat (original description)
Calea platylepis var. reticulata Chodat accepted as Calea mediterranea (Vell.) Pruski (original description)
Chuquiraga glabra var. rectispina Chodat accepted as Dasyphyllum varians (Gardner) Cabrera (original description)
Conyza chilensis var. carnea Chodat accepted as Erigeron primulifolium (Lam.) Greuter (original description)
Conyza chilensis var. guaranitica Chodat accepted as Erigeron primulifolium (Lam.) Greuter (original description)
Erechtites missionum var. lanceolatus Chodat accepted as Erechtites goyazensis (Gardner) Cabrera (original description)
Eupatorium balansae f. foliosa Chodat accepted as Bejaranoa balansae (Hieron.) R.M.King & H.Rob. (original description)
Eupatorium balansae var. menthoides Chodat accepted as Bejaranoa balansae (Hieron.) R.M.King & H.Rob. (original description)
Eupatorium kleinioides var. microcephalum Chodat accepted as Praxelis kleinioides (Kunth) Sch.Bip. (original description)
Eupatorium luquense var. corymbosum Chodat accepted as Chromolaena luquensis (Chodat) R.M.King & H.Rob. (original description)
Eupatorium radula var. obtusifolium Chodat accepted as Disynaphia radula (Chodat) R.M.King & H.Rob. (original description)
Eupatorium radula var. serratum Chodat accepted as Disynaphia radula (Chodat) R.M.King & H.Rob. (original description)
Eupatorium riedelii var. guaranitica Chodat accepted as Campuloclinium riedelii (Baker) R.M.King & H.Rob. (original description)
Eupatorium riedelii var. microcephalum Chodat accepted as Campuloclinium riedelii (Baker) R.M.King & H.Rob. (original description)
Eupatorium steviifolium var. salicinum Chodat accepted as Austroeupatorium laetevirens (Hook. & Arn.) R.M.King & H.Rob. (original description)
Eupatorium steviifolium var. viscosum Chodat accepted as Hatschbachiella tweedieana (Hook. & Arn.) R.M.King & H.Rob. (original description)
Eupatorium tozziifolium var. subpetiolatum Chodat (original description)
Eupatorium tozziifolium var. triangulare Chodat (original description)
Mikania hassleriana f. cuneifolia Chodat accepted as Mikania hassleriana Chodat (original description)
Mikania scandens subvar. mollis Chodat accepted as Mikania sagittifera B.L.Rob. (original description)
Moquinia velutina var. cordata Chodat accepted as Gochnatia barrosii Cabrera (original description)
Mutisia dealbata var. guaranitica Chodat accepted as Mutisia coccinea A.St.-Hil. (original description)
Pectis odorata f. major Chodat (original description)
Porophyllum lanceolatum f. depauperata Chodat accepted as Porophyllum lanceolatum DC. (original description)
Porophyllum lanceolatum f. foetens Chodat accepted as Porophyllum lanceolatum DC. (original description)
Porophyllum lanceolatum var. angustius Chodat accepted as Porophyllum lanceolatum DC. (original description)
Porophyllum lanceolatum var. corymbosum Chodat accepted as Porophyllum lanceolatum DC. (original description)
Porophyllum lanceolatum var. induratum Chodat accepted as Porophyllum lanceolatum DC. (original description)
Porophyllum ruderale f. suffruticosa Chodat accepted as Porophyllum ruderale (Jacq.) Cass. (original description)
Porophyllum ruderale var. glandulosum (Salisb.) Chodat accepted as Porophyllum ruderale (Jacq.) Cass. (original description)
Porophyllum ruderale var. macrolepidium (Malme) Chodat accepted as Porophyllum ruderale (Jacq.) Cass. (original description)
Spilanthes arnicoides f. minor Chodat accepted as Acmella leptophylla (DC.) R.K.Jansen (original description)
Spilanthes arnicoides f. nervosa Chodat accepted as Acmella leptophylla (DC.) R.K.Jansen (original description)
Spilanthes arnicoides var. grisea (Chodat) Chodat accepted as Acmella grisea (Chodat) R.K.Jansen (original description)
Spilanthes arnicoides var. intermedia Chodat accepted as Acmella bellidioides (Sm.) R.K.Jansen (original description)
Spilanthes arnicoides var. setosa Chodat accepted as Acmella bellidioides (Sm.) R.K.Jansen (original description)
Stenachaenium megapotamicum f. minor Chodat (original description)
Trixis divaricata f. petiolata Chodat accepted as Trixis antimenorrhoea (Schrank) Kuntze (original description)
Trixis divaricata f. subpetiolata Chodat accepted as Trixis antimenorrhoea (Schrank) Kuntze (original description)
Trixis lessingii var. glabrata Chodat accepted as Trixis lessingii DC. (original description)
Trixis lessingii var. major Chodat accepted as Trixis lessingii DC. (original description)
Verbesina arnottii f. gracilis Chodat (original description)
Verbesina arnottii f. scabriuscula Chodat (original description)
Verbesina arnottii subvar. bupthalmifolia Chodat (original description)
Verbesina arnottii var. angustifolia Chodat (original description)
Verbesina arnottii var. oblongifolia Chodat (original description)
Verbesina arnottii var. serrata Chodat (original description)
Verbesina arnottii var. tomentosa Chodat (original description)
Verbesina sordescens var. glabrata Chodat (original description)
Verbesina sordescens var. incana Chodat (original description)
Vernonia glabrata var. bracteata Chodat accepted as Lessingianthus polyphyllus (Sch.Bip. ex Baker) H.Rob. (original description)
Vernonia glabrata var. cuneifolia Chodat (original description)
Vernonia glabrata var. serrata Chodat accepted as Lessingianthus glabratus (Less.) H.Rob. (original description)
Vernonia glabrata var. typica Chodat (original description)
Vernonia hexantha var. nivea (Chodat) Chodat (original description)
Vernonia lepidifera var. canescens Chodat accepted as Chrysolaena propinqua (Hieron.) H.Rob. (original description)
Vernonia senecionea f. calvata Chodat accepted as Chrysolaena platensis (Spreng.) H.Rob. (original description)
Vernonia sessilifolia var. auriculata Chodat accepted as Lessingianthus ramellae (Cabrera) H.Rob. (original description)