Berkheya zeyheri (Sond. & Harv.) Oliv. & Hiern accepted as Berkheya zeyheri (Sond. & Haw.) Harv. & Sond. (original description)
Coreopsis abyssinica (Sch.Bip.) Oliv. & Hiern accepted as Bidens setigera subsp. setigera (Sch.Bip. ex Walp.) Sherff (original description)
Dicoma anomala f. karaguensis (Oliv.) Oliv. & Hiern accepted as Dicoma anomala Sond. (original description)
Lactuca hochstetteri var. humilis (A.Rich.) Oliv. & Hiern accepted as Lactuca inermis Forssk. (original description)
Melanthera abyssinica (Sch.Bip. ex A.Rich.) Oliv. & Hiern accepted as Melanthera abyssinica (Sch.Bip. ex A.Rich.) (original description)
Sonchus bipontini var. exauriculatus Oliv. & Hiern accepted as Launaea cornuta (Hochst. ex Oliv. & Hiern) C.Jeffrey (original description)
Sphaeranthus nubicus Sch.Bip. ex Oliv. & Hiern accepted as Sphaeranthus angustifolius DC. (original description)
Vernonia natalensis Oliv. & Hiern accepted as Vernonia natalensis Sch.Bip. ex Walp. accepted as Hilliardiella aristata (DC.) H.Rob. (original description)