Carderina (Cass.) Cass. accepted as Senecio L. (original description)
Dracopis amplexicaulis (Vahl) Cass. accepted as Rudbeckia amplexicaulis Vahl accepted as Dracopis amplexicaulis (Vahl) Cass. ex Less. accepted as Rudbeckia amplexicaulis Vahl (original description)
Klasea Cass. (original description)
Klasea centauroides (L.) Cass. accepted as Serratula centauroides L. (original description)
Klasea heterophylla Cass. (original description)
Klasea pinnatifida (Cav.) Cass. (original description)
Klasea quinquefolia Cass. (original description)
Mastrucium Cass. accepted as Serratula L. (original description)
Mastrucium coronata Cass. (original description)
Nitelium Cass. accepted as Dicoma Cass. (original description)
Nitelium rubescens Cass. (original description)
Nothites Cass. accepted as Stevia Cav. (original description)
Nothites angustifolia Cass. accepted as Stevia satureifolia (Lam.) Lam. (original description)
Nothites breviflora Cass. accepted as Stevia breviflora (Cass.) Sch.Bip. (original description)
Nothites latifolia Cass. accepted as Stevia melissaefolia (Lam.) Sch.Bip. (original description)
Nothites petiolata Cass. accepted as Stevia petiolata (Cass.) Sch.Bip. (original description)
Obaejaca (Cass.) Cass. accepted as Senecio L. (original description)
Obaejaca sylvatica Cass. (original description)
Obaejaca viscosa (L.) Cass. (original description)
Obeliscaria Cass. accepted as Ratibida Raf. (original description)
Obeliscaria pinnata (Vent.) Cass. accepted as Ratibida pinnata (Vent.) Barnhart (original description)
Obeliscaria subg. Dracopis Cass. (original description)
Odontoptera Cass. accepted as Arctotis L. (original description)
Odontoptera sulphurea Cass. (original description)
Oedera lanceolata Cass. (original description)
Oedera obtusifolia Cass. (original description)
Ogiera triplinervia Cass. (original description)
Oglifa arvensis (L.) Cass. accepted as Filago arvensis L. (original description)
Platyraphium Cass. accepted as Ptilostemon Cass. (original description)
Stegonotus Cass. accepted as Arctotis L. (original description)
Stegonotus undulatus Cass. (original description)