Barkhausia carbonaria Sch.Bip. accepted as Crepis carbonaria Sch.Bip. (original description)
Carduus leptacanthus Fresen. (original description)
Chondrilla versicolor (Link) Sch.Bip. accepted as Ixeris chinensis subsp. versicolor (Fisch. ex Link) Kitam. (original description)
Echinops hispidus Fresen. (original description)
Echinops macrochaetus Fresen. (original description)
Lactuca abyssinica Fresen. accepted as Lactuca inermis Forssk. (original description)
Lactuca rariflora Fresen. accepted as Lactuca inermis Forssk. (original description)
Picris longirostris Sch.Bip. (original description)
Sonchus melanolepis Fresen. (original description)