Aspilia paranensis Malme accepted as Viguiera paranensis (Malme) J.U.Santos (original description)
Calea hispida f. subintegerrima Malme accepted as Calea hispida (DC.) Baker (original description)
Eupatorium anethifolium f. filifolium Dusén ex Malme accepted as Mikania anethifolia (DC.) Matzenb. (original description)
Eupatorium betoniciforme var. hypoleucum Malme (original description)
Eupatorium candolleanum var. curitybanum Dusén ex Malme accepted as Gyptidium trichobasis (Baker) R.M.King & H.Rob. (original description)
Eupatorium gaudichaudianum f. lobatum Dusén ex Malme (original description)
Eupatorium gaudichaudianum var. bipinnatum Dusén ex Malme (original description)
Eupatorium gaudichaudianum var. macrodon Dusén ex Malme (original description)
Eupatorium gaudichaudianum var. oppositifolium Dusén ex Malme (original description)
Eupatorium maximiliani var. pauciflorum (Baker ex Mart.) Malme accepted as Chromolaena maximiliani (Schrad. ex DC.) R.M.King & H.Rob. (original description)
Eupatorium rhinanthaceum var. oinopolepis Malme accepted as Chromolaena oinopolepis (Malme) R.M.King & H.Rob. (original description)
Eupatorium sanctopaulense var. subglabratum (Hieron.) Malme accepted as Praxelis kleinioides (Kunth) Sch.Bip. (original description)
Eupatorium subhastatum var. trichophorum (DC.) Malme accepted as Chromolaena hirsuta (Hook. & Arn.) R.M.King & H.Rob. (original description)
Eupatorium vauthierianum var. campestre Dusén ex Malme (original description)
Mikania apiifolia var. gracillima Dusén ex Malme accepted as Mikania ternata (Vell.) B.L.Rob. (original description)
Mikania hoffmanniana var. microphylla Malme (original description)
Mikania hoffmanniana var. polycephala (Dusén) Dusén ex Malme (original description)
Mikania officinalis var. brachypoda Malme (original description)
Mikania smaragdina var. nebularum Dusén ex Malme accepted as Mikania smaragdina Dusén ex Malme (original description)
Moquinia orbiculata f. ovata Malme accepted as Gochnatia orbiculata (Malme) Cabrera accepted as Moquiniastrum cinereum (Hook. & Arn.) G. Sancho (original description)
Senecio limosus Dusén ex Malme (original description)
Symphyopappus cuneatus f. intermedius Dusén ex Malme (original description)
Vernonia crassa (Vell.) Ekman ex Malme accepted as Vernonanthura crassa (Vell.) H.Rob. (original description)
Vernonia echioides f. sublaevigata Malme (original description)
Vernonia puberula var. salicifolia Ekman ex Malme accepted as Vernonanthura puberula (Less.) H.Rob. (original description)
Vernonia westermanii Ekman & Dusén (original description)