Crepis caudicaulis Babc. accepted as Crepis hypochoeridea (DC.) Thell. (original description)
Crepis congoensis Babc. accepted as Crepis hypochoeridea (DC.) Thell. (original description)
Crepis urundica Babc. (original description)
Helichrysum fulgens Humbert & Staner (original description)
Lactuca attenuata Stebbins (original description)
Lactuca elgonensis Stebbins accepted as Lactuca glandulifera Hook.f. (original description)
Lactuca kenyaensis Stebbins accepted as Lactuca inermis Forssk. (original description)
Lactuca leptocephala Stebbins accepted as Lactuca inermis Forssk. (original description)
Lactuca semibarbata Stebbins accepted as Lactuca attenuata Stebbins (original description)
Lactuca stipulata Stebbins (original description)
Lactuca wildemaniana Stebbins accepted as Lactuca glandulifera Hook.f. (original description)
Prenanthes subpeltata Stebbins (original description)
Senecio afromontanus (R.E.Fr.) Humbert & Staner accepted as Crassocephalum montuosum (S.Moore) Milne-Redh. (original description)
Senecio claessensii (De Wild.) Humbert & Staner accepted as Gynura amplexicaulis Oliv. & Hiern (original description)
Senecio kanzibiensis Humbert & Staner accepted as Solanecio kanzibiensis (Humbert & Staner) C.Jeffrey (original description)
Vernonia kivuensis Humbert & Staner accepted as Ambassa hochstetteri Steetz (original description)
Vernonia scaettae Humbert & Staner (original description)