Onoseris albicans (D.Don) Ferreyra (original description)
Onoseris amplexicaulis Ferreyra (original description)
Onoseris costaricensis Ferreyra (original description)
Onoseris donnell-smithii (J.M.Coult.) Ferreyra (original description)
Onoseris peruviana Ferreyra (original description)
Onoseris silvatica var. colombiana Ferreyra (original description)
Onoseris weberbaueri Ferreyra (original description)
Richterago malmei Ferreyra accepted as Richterago discoidea (Less.) Kuntze (original description)
Richterago polyphylla (Baker ex Baker) Ferreyra (original description)
Trichocline hieracioides (Kunth) Ferreyra (original description)