Atalanthus canariensis (Boulos) A.Hansen & Sunding accepted as Sonchus sventenii U.Reifenb. & A.Reifenb. (original description)
Atalanthus capillaris (Svent.) A.Hansen & Sunding accepted as Sonchus capillaris Svent. (original description)
Atalanthus microcarpus (Boulos) A.Hansen & Sunding accepted as Sonchus microcarpus (Boulos) U.Reifenb. & A.Reifenb. (original description)
Atalanthus regis-jubae (Pit.) A.Hansen & Sunding accepted as Sonchus regis-jubae Pit. (original description)
Atalanthus webbii (Sch.Bip.) A.Hansen & Sunding accepted as Sonchus webbii Sch.Bip. (original description)
Pericallis lanata var. cyanophthalma (Hook.) A.Hansen & Sunding accepted as Pericallis lanata (L'Hér.) B.Nord. (original description)