Apodocephala angustifolia Humbert (original description)
Calotis anamitica (Kuntze) Merr. (original description)
Helichrysum barorum Humbert (original description)
Helichrysum dichotomum Humbert (original description)
Helichrysum dimorphotrichum Humbert (original description)
Helichrysum mandrarense Humbert (original description)
Helichrysum salviifolium Humbert (original description)
Helichrysum syncephaloides Humbert (original description)
Helichrysum vaginatum Humbert (original description)
Senecio andohahelensis Humbert (original description)
Senecio antaisaka Humbert (original description)
Senecio antambolorum Humbert (original description)
Senecio leucanthothamnus Humbert accepted as Hubertia leucanthothamnus (Humbert) C.Jeffrey (original description)
Senecio mandrarensis Humbert (original description)