Achyrocline batocana Oliv. & Hiern accepted as Helichrysum kraussii Sch.Bip. (original description)
Achyrocline glumacea (DC.) Oliv. & Hiern accepted as Helichrysum glumaceum DC. (original description)
Achyrocline sclerochlaena Sch.Bip. ex Oliv. & Hiern accepted as Helichrysum sclerochlaenum Sch.Bip. ex Moeser (original description)
Amberboa hochstetteri buching. ex Oliv. (original description)
Anisopappus africanus (Hook.f.) Oliv. & Hiern accepted as Anisopappus chinensis subsp. africanus (Hook.f.) S.Ortiz & Paiva (original description)
Anthemis pygmaea Sch.Bip. ex Oliv. & Hiern accepted as Anthemis tigrensis J.Gay ex A.Rich. (original description)
Araschcoolia acaulis Sch.Bip. ex Oliv. accepted as Geigeria acaulis (Sch.Bip.) (original description)
Aspilia abyssinica Oliv. & Hiern (original description)
Aspilia angustifolia Oliv. & Hiern (original description)
Aspilia helianthoides (Schumach. & Thonn.) Oliv. & Hiern (original description)
Aspilia latifolia Oliv. & Hiern (original description)
Aspilia linearifolia Oliv. & Hiern accepted as Aspilia angustifolia Oliv. & Hiern (original description)
Aspilia multiflora Fenzl ex Oliv. & Hiern accepted as Aspilia helianthoides subsp. prieuriana (DC.) C.D.Adams (original description)
Aspilia rudis Oliv. & Hiern accepted as Wedelia rudis (Baker) H.Rob. (original description)
Aspilia schimperi (Sch.Bip. ex A.Rich.) Oliv. & Hiern accepted as Aspilia helianthoides subsp. prieuriana (DC.) C.D.Adams (original description)
Aspilia smithiana Oliv. & Hiern accepted as Aspilia helianthoides subsp. ciliata (Schumach.) C.D.Adams (original description)
Athrixia rosmarinifolia (Sch.Bip. ex Walp.) Oliv. & Hiern (original description)
Berkheya gorterioides Oliv. & Hiern accepted as Hirpicium gorterioides subsp. gorterioides (Oliv. & Hiern) Roessler (original description)
Bidens quadriseta Hochst. ex Oliv. & Hiern accepted as Bidens biternata (Lour.) Merr. & Sherff (original description)
Blepharispermum spinulosum Oliv. & Hiern (original description)
Blepharispermum zanguebaricum Oliv. & Hiern (original description)
Brachyscome mossambicensis Oliv. & Hiern accepted as Gyrodoma hispida (Vatke) Wild (original description)
Cancellaria Sch.Bip. ex Oliv. accepted as Adelostigma Steetz (original description)
Cancellaria senegalensis Sch.Bip. ex Oliv. accepted as Adelostigma senegalensis Benth. (original description)
Carduus chamaecephalus (Vatke) Oliv. & Hiern accepted as Carduus schimperi subsp. schimperi Sch.Bip. (original description)
Centaurea hochstetteri Oliv. & Hiern accepted as Volutaria abyssinica subsp. abyssinica (A.Rich.) C.Jeffrey (original description)
Centaurea praecox Oliv. & Hiern (original description)
Centaurea rhizocephala Oliv. & Hiern accepted as Centaurea praecox Oliv. & Hiern (original description)
Centaurea somalensis Oliv. & Hiern accepted as Volutaria abyssinica (Sch.Bip. ex A.Rich.) C.Jeffrey ex Cufod. (original description)
Conyza clarenceana (Hook.f.) Oliv. & Hiern (original description)
Conyza heudelotii Oliv. & Hiern accepted as Microglossa pyrifolia (Lam.) Kuntze (original description)
Conyza nana Sch.Bip. ex Oliv. & Hiern (original description)
Conyza neuri Oliv. & Hiern (original description)
Conyza newii Oliv. & Hiern (original description)
Conyza pectinata (Sch.Bip.) Sch.Bip. ex Oliv. & Hiern (original description)
Conyza persicifolia (Benth.) Oliv. & Hiern accepted as Conyza attenuata DC. (original description)
Conyza spinosa (Sch.Bip.) Sch.Bip. ex Oliv. & Hiern (original description)
Conyza tigrensis Oliv. & Hiern (original description)
Conyza vatkeana Oliv. & Hiern accepted as Erigeron trilobus (Decne.) Boiss. (original description)
Coreopsis barteri Oliv. & Hiern accepted as Bidens barteri (Oliv. & Hiern) T.G.J.Rayner (original description)
Coreopsis glaucescens Oliv. & Hiern accepted as Bidens rueppellii (Sch.Bip. ex Sch.Bip.) Sherff (original description)
Coreopsis guineensis Oliv. & Hiern accepted as Bidens borianiana (Sch.Bip. ex Schweinf.) Cufod. (original description)
Coreopsis kirkii Oliv. & Hiern accepted as Bidens kirkii (Oliv. & Hiern) Sherff (original description)
Coreopsis linearifolia Oliv. & Hiern accepted as Bidens ugandensis (S.Moore) Sherff (original description)
Coreopsis monticola (Hook.f.) Oliv. & Hiern accepted as Bidens mannii T.G.J.Rayner (original description)
Coreopsis pachyloma Oliv. & Hiern accepted as Bidens pachyloma (Oliv. & Hiern) Cufod. (original description)
Crepis adenothrix (A.Rich.) Sch.Bip. ex Oliv. & Hiern accepted as Crepis rueppellii Sch.Bip. (original description)
Crepis hookeriana Oliv. & Hiern accepted as Crepis newii subsp. oliveriana (Kuntze) C.Jeffrey & Beentje (original description)
Crepis newii Oliv. & Hiern (original description)
Crepis schultzii Hochst. ex Oliv. (original description)
Crepis tenerrima Sch.Bip. ex Oliv. (original description)
Elephantopus senegalensis (Klatt) Oliv. & Hiern (original description)
Erythrocephalum zambesianum Oliv. & Hiern accepted as Erythrocephalum longifolium Benth. ex Oliv. (original description)
Eupatorium africanum Oliv. & Hiern accepted as Stomatanthes africanus (Oliv. & Hiern) R.M.King & H.Rob. (original description)
Geigeria alata Benth. & Hook.f. ex Oliv. (original description)
Gnaphalium schimperi Sch.Bip. ex Oliv. (original description)
Gnaphalium stenophyllum Oliv. & Hiern accepted as Helichrysopsis septentrionalis (Vatke) Hilliard (original description)
Gnaphalium unionis Sch.Bip. ex Oliv. & Hiern (original description)
Gongrothamnus hildebrandtii (Vatke) Oliv. & Hiern accepted as Vernonia hildebrandtii Vatke (original description)
Gongrothamnus solidaginifolius (Bojer ex DC.) Oliv. & Hiern accepted as Vernonia solidaginifolia Bojer ex DC. (original description)
Guizotia bidentoides Oliv. & Hiern accepted as Bidens pinnatipartita (O.Hoffm.) Wild (original description)
Gutenbergia macrocephala Oliv. & Hiern accepted as Kinghamia macrocephala (Oliv. & Hiern) C.Jeffrey (original description)
Gutenbergia nigritiana (Benth.) Oliv. & Hiern accepted as Kinghamia nigritana (Benth.) C.Jeffrey (original description)
Gynura amplexicaulis Oliv. & Hiern (original description)
Helichrysum gracilipes Oliv. & Hiern (original description)
Helichrysum newii Oliv. & Hiern (original description)
Helichrysum nimmoanum Oliv. & Hiern (original description)
Helichrysum nitens Oliv. & Hiern (original description)
Helichrysum petersii Oliv. & Hiern accepted as Helichrysum kirkii var. petersii (Oliv. & Hiern) Beentje (original description)
Helichrysum rosulatum Oliv. & Hiern (original description)
Inula glomerata Oliv. & Hiern (original description)
Inula mannii (Hook.f.) Oliv. & Hiern (original description)
Iphiona rotundifolia Oliv. & Hiern (original description)
Jaumea compositarum Benth. & Hook.f. ex Oliv. (original description)
Jaumea peduncularis (Hook. & Arn.) Benth. & Hook.f. ex Oliv. (original description)
Lactuca schweinfurthii Oliv. & Hiern (original description)
Laggera brevipes Oliv. & Hiern accepted as Blumea brevipes (Oliv. & Hiern) Wild (original description)
Laggera crassifolia (Sch.Bip. ex A.Rich.) Sch.Bip. ex Oliv. & Hiern (original description)
Laggera divaricata Oliv. & Hiern (original description)
Laggera oblonga Oliv. & Hiern accepted as Blumea oloptera DC. (original description)
Laggera squarrosa Oliv. & Hiern accepted as Blumea squarrosa (Oliv. & Hiern) Wild (original description)
Laggera tomentosa (A.Rich.) Sch.Bip. ex Oliv. & Hiern (original description)
Melanthera pungens Oliv. & Hiern (original description)
Microglossa angolensis Oliv. & Hiern accepted as Conyza pyrrhopappa Sch.Bip. ex A.Rich. (original description)
Microrhynchus octophyllus Hochst. ex Oliv. (original description)
Microrhynchus pentaphyllus Hochst. ex Oliv. (original description)
Notonia coccinea Oliv. & Hiern accepted as Kleinia grantii (Oliv. & Hiern) Hook.f. (original description)
Notonia grantii Oliv. & Hiern accepted as Kleinia grantii (Oliv. & Hiern) Hook.f. (original description)
Notonia schweinfurthii Oliv. & Hiern accepted as Kleinia schweinfurthii (Oliv. & Hiern) A.Berger (original description)
Othonna bainesii Oliv. & Hiern (original description)
Phagnalon borianum Oliv. (original description)
Platycarpha carlinoides Oliv. & Hiern (original description)
Pluchea lanceolata (DC.) Oliv. & Hiern accepted as Pluchea lanceolata (DC.) C.B.Clarke (original description)
Pluchea sordida (Vatke) Oliv. & Hiern (original description)
Psiadia incana Oliv. & Hiern (original description)
Pulicaria crispa (Cass.) Oliv. & Hiern (original description)
Schistostephium heptalobum (DC.) Oliv. & Hiern (original description)
Senecio biafrae Oliv. & Hiern accepted as Solanecio biafrae (Oliv. & Hiern) C.Jeffrey (original description)
Senecio forbesii Oliv. & Hiern (original description)
Senecio gabonicus Oliv. & Hiern accepted as Solanecio angulatus (Vahl) C.Jeffrey (original description)