Dimerostemma brasilianum Cass. (original description)
Ditrichum macrophyllum Cass. accepted as Verbesina macrophylla (Cass.) S.F.Blake (original description)
Echenais carlinoides Cass. accepted as Cirsium carlinoides (Cass.) B.Fedtsch. (original description)
Elphegea hirta Cass. accepted as Psiadia lithospermifolia Cordem. (original description)
Felicia Cass. (original description)
Gatyona Cass. accepted as Crepis L. (original description)
Gatyona globulifera (Desf.) Cass. accepted as Crepis dioscoridis L. (original description)
Helianthus subg. Harpalium Cass. (original description)
Ictinus Cass. accepted as Gorteria L. (original description)
Liatris subg. Trilisa Cass. (original description)
Ogiera triplinervis Cass. accepted as Eleutheranthera ruderalis (Sw.) Sch.Bip. (original description)
Othonna subg. Euryops Cass. (original description)
Riencourtia Cass. (original description)