Bidens hirsuta Sw. accepted as Otopappus hirsutus (Sw.) R.L.Hartm. & Stuessy (original description)
Cacalia ruderalis (Jacq.) Sw. accepted as Porophyllum ruderale (Jacq.) Cass. (original description)
Calea lobata (L.) Sw. accepted as Neurolaena lobata (L.) R.Br. ex Cass. (original description)
Cineraria discolor Sw. (original description)
Cineraria glabra Sw. accepted as Odontocline glabra (Sw.) B.Nord. (original description)
Conyza purpurascens Sw. accepted as Pluchea odorata (L.) Cass. (original description)
Conyza rigida Sw. accepted as Lepidaploa rigida (Sw.) H.Rob. (original description)
Eclipta sessilis Sw. accepted as Enydra sessilis (Sw.) DC. (original description)
Ethulia struchium Sw. accepted as Struchium sparganophorum (L.) Kuntze (original description)
Eupatorium cordifolium Sw. (original description)
Eupatorium montanum Sw. accepted as Koanophyllon montanum (Sw.) R.M.King & H.Rob. (original description)
Eupatorium nervosum Sw. accepted as Koanophyllon nervosum (Sw.) R.M.King & H.Rob. (original description)
Eupatorium parviflorum Sw. accepted as Critonia parviflora (Sw.) DC. (original description)
Eupatorium rigidum Sw. accepted as Chromolaena rigida (Sw.) R.M.King & H.Rob. (original description)
Eupatorium villosum Sw. accepted as Koanophyllon villosum (Sw.) R.M.King & H.Rob. (original description)
Gnaphalium albescens Sw. (original description)
Lavenia Sw. accepted as Adenostemma J.R.Forst & G.Forst. (original description)
Lavenia decumbens Sw. accepted as Adenostemma verbesina (L.) Sch.Bip. (original description)
Lavenia erecta Sw. accepted as Adenostemma lavenia (L.) Kuntze (original description)
Pectis humifusa Sw. (original description)
Sonchus agrestis Sw. (original description)
Tetranthus Sw. (original description)
Tetranthus littoralis Sw. (original description)
Trixis aspera (Aubl.) Sw. accepted as Clibadium asperum (Aubl.) DC. (original description)
Trixis erosa Sw. (original description)
Trixis terebinthinacea Sw. accepted as Clibadium terebinthinaceum (Sw.) DC. (original description)
Tussilago albicans Sw. accepted as Chaptalia albicans (Sw.) Vent. ex B.D.Jacks. (original description)
Tussilago pumila (DC.) Sw. accepted as Chaptalia pumila (Sw.) Urb. (original description)
Verbesina pinnatifida Sw. (original description)