Berkheya bergiana Söderb. (original description)
Cineraria densiflora R.E.Fr. accepted as Cineraria deltoidea Sond. (original description)
Cineraria laxiflora R.E.Fr. accepted as Cineraria deltoidea Sond. (original description)
Conyza auriculifera R.E.Fr. (original description)
Conyza neglecta R.E.Fr. (original description)
Conyza pallidiflora R.E.Fr. (original description)
Conyza rubricaulis R.E.Fr. accepted as Conyza clarenceana (Hook.f.) Oliv. & Hiern (original description)
Conyza theodori R.E.Fr. accepted as Conyza clarenceana (Hook.f.) Oliv. & Hiern (original description)
Crassocephalum afromontanum R.E.Fr. accepted as Crassocephalum montuosum (S.Moore) Milne-Redh. (original description)
Crepis glandulosissima R.E.Fr. accepted as Crepis carbonaria Sch.Bip. (original description)
Crepis scaposa R.E.Fr. accepted as Crepis carbonaria Sch.Bip. (original description)
Dichrocephala alpina R.E.Fr. accepted as Dichrocephala chrysanthemifolia var. alpina (R.E.Fr.) Beentje (original description)
Emilia kikuyorum R.E.Fr. accepted as Emilia debilis S.Moore (original description)
Euryops fruticulosa R.E.Fr. accepted as Euryops jacksonii S.Moore (original description)
Felicia frutescens R.E.Fr. accepted as Felicia muricata subsp. muricata (Thunb.) Nees (original description)
Gerbera aberdarica R.E.Fr. accepted as Gerbera piloselloides (L.) Cass. (original description)
Gutenbergia elgonensis R.E.Fr. accepted as Gutenbergia rueppellii Sch.Bip. (original description)
Gutenbergia fischeri R.E.Fr. accepted as Gutenbergia rueppellii var. fischeri (R.E.Fr.) C.Jeffrey (original description)
Helichrysum aberdaricum R.E.Fr. accepted as Helichrysum citrispinum var. hoehnelii (Schweinf.) (original description)
Helichrysum acanthophorum R.E.Fr. accepted as Helichrysum citrispinum var. hoehnelii (Schweinf.) (original description)
Helichrysum corymbiferum R.E.Fr. accepted as Helichrysum argyranthum O.Hoffm. (original description)
Helichrysum crenulatum R.E.Fr. accepted as Helichrysum newii Oliv. & Hiern (original description)
Helichrysum erici-rosenii R.E.Fr. accepted as Helichrysum newii Oliv. & Hiern (original description)
Laggera elatior R.E.Fr. accepted as Blumea elatior (R.E.Fr.) Lisowski (original description)
Nidorella aberdarica R.E.Fr. accepted as Conyza vernonioides (Sch.Bip. ex A.Rich.) Wild (original description)
Nidorella arborea R.E.Fr. accepted as Conyza vernonioides (Sch.Bip. ex A.Rich.) Wild (original description)
Nidorella inuloides (O.Hoffm.) R.E.Fr. accepted as Conyza vernonioides (Sch.Bip. ex A.Rich.) Wild (original description)
Notonia petraea R.E.Fr. accepted as Kleinia petraea (R.E.Fr.) C.Jeffrey (original description)
Senecio aequinoctialis R.E.Fr. (original description)
Senecio bambuseti R.E.Fr. accepted as Mikaniopsis bambuseti (R.E.Fr.) C.Jeffrey (original description)
Senecio hageniae R.E.Fr. accepted as Senecio maranguensis O.Hoffm. (original description)
Senecio keniophytum R.E.Fr. (original description)
Senecio mattfeldii R.E.Fr. accepted as Senecio snowdenii Hutch. (original description)
Senecio moorei R.E.Fr. (original description)
Senecio roseiflorus R.E.Fr. (original description)
Senecio sympodialis R.E.Fr. accepted as Senecio jacksonii S.Moore (original description)
Taraxacum aleppicum Dahlst. (original description)
Taraxacum apollinis Dahlst. (original description)
Taraxacum calocephalum Hand.-Mazz. & Dahlst. (original description)
Taraxacum delphicum Dahlst. (original description)
Taraxacum gracilens Dahlst. (original description)
Taraxacum graecum Dahlst. (original description)
Taraxacum hellenicum Dahlst. (original description)
Taraxacum lobulatum Bornm. & Dahlst. accepted as Taraxacum neolobulatum Schischk. (original description)
Taraxacum parnassicum Dahlst. (original description)
Taraxacum poliochlorum Dahlst. (original description)
Taraxacum scolopendrinum Heldr. ex Dahlst. (original description)
Taraxacum sintenisii Dahlst. (original description)
Vernonia afromontana R.E.Fr. accepted as Centrapalus pauciflorus (Willd.) H.Rob. (original description)
Vernonia keniensis R.E.Fr. accepted as Linzia purpurea (Sch.Bip. ex Walp.) Isawumi (original description)