Aspilia leucoglossa Malme (original description)
Aster exilis var. graminifolius (Spreng.) Malme accepted as Symphyotrichum graminifolium (Spreng.) G.L.Nesom (original description)
Aster regnellii subsp. mattogrosensis Malme accepted as Symphyotrichum regnellii (Baker) G.L.Nesom (original description)
Baccharis tenuifolia var. leptophylla Malme (original description)
Baccharis tenuifolia var. leptophylla Malme (original description)
Eupatorium vernoniopsis var. roseoviolaceum Malme accepted as Gyptis vernoniopsis (Sch.Bip. ex Baker) R.M.King & H.Rob. (original description)
Hieracium commersonii var. megapotanicum Malme accepted as Hieracium commersonii Monnier (original description)
Isostigma foliosum Malme (original description)
Mikania laxa subsp. euryanthela Malme accepted as Mikania euryanthela (Malme) W.C.Holmes (original description)
Mikania laxa var. euryanthela Malme (original description)
Mikania scandens subsp. cynanchifolia (Baker) Malme accepted as Mikania cynanchifolia (Baker) Malme (original description)
Mikania scandens subsp. paraguayensis Malme accepted as Mikania cynanchifolia (Baker) Malme (original description)
Mikania scandens subsp. periplocifolia (Hook. & Arn.) Malme (original description)
Noticastrum calendulaceum (Griseb.) Malme accepted as Noticastrum acuminatum (DC.) Cuatrec. (original description)
Porophyllum brevifolium (Gillies & D.Don ex Hook. & Arn.) Malme (original description)
Riencourtia tenuifolia var. intermedia Malme (original description)
Senecio crassiflorus f. maritimus Malme accepted as Senecio crassiflorus (Poir.) DC. (original description)
Trixis verbasciformis var. glaberrima (Less.) Malme accepted as Trixis nobilis (Vell.) Katinas (original description)
Trixis verbasciformis var. intermedia Malme (original description)
Vernonia megapotamica subsp. eriocephala Malme accepted as Stenocephalum megapotamicum (Spreng.) Sch.Bip. (original description)