Aphanopappus micranthus Hiern accepted as Melanthera micrantha subsp. micrantha (original description)
Aspilia fontinalis Hiern accepted as Aspilia natalensis (Sond.) Wild (original description)
Athanasia schistostephiodes Hiern accepted as Inulanthera schistostephioides (Hiern) Källersjö (original description)
Athrixia felicioides Hiern accepted as Nicolasia felicioides (Hiern) S.Moore (original description)
Bidens andongensis Hiern (original description)
Coreopsis speciosa Hiern accepted as Bidens buchneri (Klatt) Sherff (original description)
Crassocephalum diversifolium Hiern accepted as Crassocephalum crepidioides (Benth.) S.Moore (original description)
Crassocephalum miniatum (Welw.) Hiern accepted as Gynura pseudochina (L.) DC. (original description)
Crassocephalum scandens (O.Hoffm.) Hiern accepted as Gynura scandens O.Hoffm. (original description)
Crepis ambacensis Hiern accepted as Lactuca ambacensis (Hiern) C.Jeffrey (original description)
Crepis bumbensis Hiern accepted as Crepis hypochoeridea (DC.) Thell. (original description)
Crepis cichorioides Hiern accepted as Lactuca cichorioides (Hiern) C.Jeffrey (original description)
Crepis dumicola Hiern accepted as Lactuca dumicola (Hiern) S.Moore (original description)
Crepis ephemera Hiern accepted as Tolpis capensis (L.) Sch.Bip. (original description)
Crocodilodes andongensis Hiern accepted as Berkheya angolensis (O.Hoffm.) O.Hoffm. (original description)
Crocodilodes antunesii (O.Hoffm.) Hiern accepted as Hirpicium antunesii (O.Hoffm.) Roessler (original description)
Crocodilodes carlinopsis (Welw. ex O.Hoffm.) Hiern accepted as Berkheya carlinopsis subsp. carlinopsis Welw. ex O.Hoffm. (original description)
Crocodilodes gracilis (O.Hoffm.) Hiern accepted as Hirpicium gracile (O.Hoffm.) Roessler (original description)
Crocodilodes welwitschii (O.Hoffm.) Hiern accepted as Berkheya welwitschii O.Hoffm. (original description)
Detris ericifolia (Forssk.) Hiern accepted as Macowania ericifolia (Forssk.) B.L.Burtt & Grau (original description)
Detris hyssopifolia (Berger) Hiern accepted as Felicia clavipilosa subsp. clavipilosa Grau (original description)
Detris mossamedensis Hiern accepted as Felicia mossamedensis (Hiern) Mendonça (original description)
Dicoma nana Welw. ex Hiern accepted as Macledium nanum (Welw. ex Hiern) S.Ortiz (original description)
Elephantopus welwitschii Hiern (original description)
Emilia albocostata Hiern accepted as Emilia marlothiana (O.Hoffm.) C.Jeffrey (original description)
Engleria decumbens (Welw. ex Hiern) Hiern (original description)
Erigeron arthrotrichus Hiern accepted as Felicia welwitschii (Hiern) Grau (original description)
Erigeron welwitschii Hiern accepted as Felicia welwitschii (Hiern) Grau (original description)
Ethulia monocephala Hiern accepted as Bothriocline monocephala (Hiern) Wild & G.V.Pope (original description)
Geigeria hoffmanniana Hiern (original description)
Geigeria linosyroides Welw. ex Hiern (original description)
Gongrothamnus angolensis (O.Hoffm.) Hiern accepted as Distephanus angolensis (O.Hoffm.) H.Rob. & B.Kahn (original description)
Gongrothamnus conyzoides Hiern (original description)
Helichrysum benguellense Hiern (original description)
Helichrysum helodes Hiern accepted as Helichrysum auronitens Sch.Bip. (original description)
Helichrysum stramineum Hiern (original description)
Inula cuanzensis (Welw.) Hiern (original description)
Inula huillensis Hiern (original description)
Lactuca andongensis Hiern accepted as Lactuca imbricata Hiern (original description)
Lactuca imbricata Hiern (original description)
Lactuca macroseris Hiern accepted as Lactuca schulzeana Büttner (original description)
Lactuca petrensis Hiern (original description)
Marsea aegyptiaca (L.) Hiern accepted as Erigeron aegyptiacus L. (original description)
Marsea gouanii Hiern (original description)
Marsea persicifolia Hiern (original description)
Marsea pyrrhopappa (Sch.Bip. ex A.Rich.) Hiern accepted as Conyza pyrrhopappa Sch.Bip. ex A.Rich. (original description)
Marsea spartioides (O.Hoffm.) Hiern accepted as Nidorella spartioides (O.Hoffm.) Cronquist (original description)
Marsea stricta (Willd.) Hiern accepted as Erigeron trilobus (Decne.) Boiss. (original description)
Melanthera cuanzensis Hiern accepted as Melanthera scandens subsp. madagascariensis (Baker) Wild (original description)
Melanthera monochaeta Hiern accepted as Melanthera triternata (Klatt) Wild (original description)
Melanthera scaberrima Hiern (original description)
Melanthera varians Hiern accepted as Melanthera triternata (Klatt) Wild (original description)
Mollera huillensis Hiern accepted as Calostephane huillensis (Hiern) Anderb. (original description)
Mollera punctulata Hiern accepted as Calostephane punctulata (Hiern) Anderb. (original description)
Notonia welwitschii (O.Hoffm.) Hiern accepted as Kleinia fulgens Hook.f. (original description)
Othonna brachyanthera Hiern accepted as Senecio brachyantherus (Hiern) S.Moore (original description)
Othonna gracilis Hiern accepted as Emilia hiernii C.Jeffrey (original description)
Othonna huillensis Welw. ex Hiern (original description)
Othonna plantaginea Hiern (original description)
Perdicium abyssinicum Hiern accepted as Gerbera viridifolia (DC.) Sch.Bip. (original description)
Perdicium piloselloides (L.) Hiern accepted as Gerbera piloselloides (L.) Cass. (original description)
Pleiotaxis fulva Hiern (original description)
Psiadia lyciodes Hiern accepted as Pluchea lycioides (Hiern) Merxm. (original description)
Senecio lopollensis Hiern accepted as Emilia lopollensis (Hiern) C.Jeffrey (original description)
Senecio lygodes Hiern accepted as Senecio inornatus DC. (original description)
Senecio pentecostus Hiern (original description)
Senecio strictifolius Hiern (original description)
Senecio uvens Hiern accepted as Crassocephalum uvens (Hiern) S.Moore (original description)
Senecio versicolor Hiern accepted as Senecio polyodon var. polyodon DC. (original description)
Sonchus elliotianus Hiern accepted as Launaea nana (Baker) Chiov. (original description)
Sphacophyllum pumilum Hiern accepted as Anisopappus pumilus (Hiern) Wild (original description)
Vernonia auriculifera Hiern (original description)
Vernonia benguellensis Hiern accepted as Baccharoides benguellensis (Hiern) H.Rob., Skvarla & V.A.Funk (original description)
Vernonia britteniana Hiern (original description)
Vernonia calulu Hiern (original description)
Vernonia carnea Hiern (original description)
Vernonia catumbensis Hiern accepted as Orbivestus catumbensis (Hiern) H.Rob. (original description)
Vernonia filipendula Hiern accepted as Baccharoides filipendula (Hiern) Isawumi, El-Ghazaly & B.Nord. (original description)
Vernonia huillensis Hiern (original description)
Vernonia kreismannii Welw. ex Hiern accepted as Gymnanthemum exsertiflorum (Baker) H.Rob. (original description)
Vernonia mumpullensis Hiern (original description)
Vernonia orchidorrhiza Welw. ex Hiern (original description)
Vernonia phyllodes Hiern (original description)
Vernonia pratensis Hiern accepted as Vernonia kandtii Muschl. (original description)
Vernonia rigidifolia Hiern (original description)
Vernonia sculptifolia Hiern (original description)
Wedelia albiflora Hiern accepted as Aspilia angolensis (Klatt) Muschl. (original description)
Wedelia huillensis Hiern accepted as Aspilia angolensis (Klatt) Muschl. (original description)