Aster andohahelensis Humbert accepted as Madagaster andohahelensis (Humbert) G.L.Nesom (original description)
Aster andringitrensis Humbert (original description)
Aster baronii Humbert accepted as Madagaster senecionoides (Baker) G.L.Nesom (original description)
Aster bojeri Humbert (original description)
Aster cinerarioides (DC.) Humbert (original description)
Aster mandrarensis Humbert accepted as Madagaster mandrarensis (Humbert) G.L.Nesom (original description)
Tibestina Maire accepted as Dicoma Cass. (original description)
Tibestina lanuginosa Maire accepted as Dicoma capensis Less. (original description)