Arctotis rueppellii (Sch.Bip.) O.Hoffm. accepted as Haplocarpha rueppelii (Sch.Bip.) Beauverd (original description)
Arctotis scaposa (Harv.) O.Hoffm. accepted as Haplocarpha thunbergii Less. (original description)
Aspilia asperifolia O.Hoffm. accepted as Aspilia pluriseta (original description)
Aspilia fischeri O.Hoffm. (original description)
Aspilia gondensis O.Hoffm. accepted as Aspilia pluriseta (original description)
Aspilia holstii O.Hoffm. accepted as Aspilia mossambicensis (Oliv.) Wild (original description)
Aspilia involucrata O.Hoffm. accepted as Aspilia pluriseta (original description)
Bidens volkensii O.Hoffm. accepted as Bidens kilimandscharica (O.Hoffm.) Sherff (original description)
Bothriocline alternifolia O.Hoffm. accepted as Erlangea alternifolia (O.Hoffm.) S.Moore (original description)
Bothriocline diversifolia O.Hoffm. ex Engl. (original description)
Bothriocline marginata (Oliv. & Hiern) O.Hoffm. accepted as Gutenbergia cordifolia Benth. ex Oliv. (original description)
Bothriocline moramballae (Oliv. & Hiern) O.Hoffm. (original description)
Conyza gigantea O.Hoffm. (original description)
Coreopsis coriacea O.Hoffm. accepted as Bidens buchneri (Klatt) Sherff (original description)
Coreopsis exaristata O.Hoffm. accepted as Bidens schimperi Sch.Bip. ex Walp. (original description)
Coreopsis fischeri O.Hoffm. accepted as Bidens fischeri (O.Hoffm.) Sherff (original description)
Coreopsis frondosa O.Hoffm. accepted as Bidens magnifolia Sherff (original description)
Coreopsis holstii O.Hoffm. accepted as Bidens holstii (O.Hoffm.) Sherff (original description)
Coreopsis stuhlmannii O.Hoffm. accepted as Bidens buchneri (Klatt) Sherff (original description)
Dichrocephala linearifolia O.Hoffm. accepted as Grauanthus linearifolius (O.Hoffm.) Fayed (original description)
Echinops eryngiifolius O.Hoffm. (original description)
Erythrocephalum stuhlmannii O.Hoffm. accepted as Erythrocephalum minus Oliv. (original description)
Felicia boehmii O.Hoffm. (original description)
Felicia fischeri O.Hoffm. accepted as Felicia welwitschii (Hiern) Grau (original description)
Gutenbergia leiocarpa O.Hoffm. (original description)
Gynura fischeri O.Hoffm. accepted as Solanecio angulatus (Vahl) C.Jeffrey (original description)
Gynura meyeri-johannis O.Hoffm. accepted as Senecio syringifolius O.Hoffm. (original description)
Gynura scandens O.Hoffm. (original description)
Helichrysum argyranthum O.Hoffm. (original description)
Helichrysum lentii Volk. & O.Hoffm. accepted as Helichrysum formosissimum var. guilelmii (Engl.) Mesfin (original description)
Helichrysum maranguense O.Hoffm. (original description)
Helichrysum sarmentosum O.Hoffm. accepted as Helichrysum schimperi (Sch.Bip. ex A.Rich.) Moeser (original description)
Helichrysum volkensii O.Hoffm. accepted as Helichrysum formosissimum var. formosissimum (original description)
Inula bakeriana O.Hoffm. accepted as Inula shirensis Oliv. (original description)
Laggera volkensii O.Hoffm. accepted as Blumea volkensii (O.Hoffm.) J.-P.Lebrun & Stork (original description)
Senecio karaguensis O.Hoffm. (original description)
Senecio maranguensis O.Hoffm. (original description)
Senecio mesogrammoides O.Hoffm. (original description)
Senecio schweinfurthii O.Hoffm. (original description)
Senecio telekii (Schweinf.) O.Hoffm. (original description)
Senecio volkensii O.Hoffm. accepted as Senecio telekii (Schweinf.) O.Hoffm. (original description)
Sonchus exauriculatus (Oliv. & Hiern) O.Hoffm. accepted as Launaea cornuta (Hochst. ex Oliv. & Hiern) C.Jeffrey (original description)
Sonchus fischeri O.Hoffm. accepted as Launaea rarifolia (Oliv. & Hiern) Boulos (original description)
Sphacophyllum holstii O.Hoffm. accepted as Anisopappus holstii (O.Hoffm.) Wild (original description)
Sphacophyllum lastii O.Hoffm. accepted as Anisopappus chinensis var. dentatus (DC.) S.Ortiz, Paiva & Rodr.Oubiña (original description)
Sphacophyllum stuhlmannii O.Hoffm. accepted as Anisopappus chinensis var. buchwaldii (O.Hoffm.) S.Ortiz, Paiva & Rodr.Oubiña (original description)
Stoebe kilimandscharica O.Hoffm. (original description)
Tripteris volkensii O.Hoffm. (original description)
Vernonia brachycalyx O.Hoffm. (original description)
Vernonia cistifolia O.Hoffm. accepted as Orbivestus karaguensis (Oliv. & Hiern) H.Rob. (original description)
Vernonia eminii O.Hoffm. (original description)
Vernonia iodocalyx O.Hoffm. accepted as Baccharoides lasiopus var. iodocalyx (O.Hoffm.) Isawumi, El-Ghazaly & B.Nord. (original description)
Vernonia johannis Volk. & O.Hoffm. (original description)
Vernonia lasiopus O.Hoffm. accepted as Baccharoides lasiopus (O.Hoffm.) H.Rob. (original description)
Vernonia leptolepis O.Hoffm. accepted as Distephanus biafrae (Oliv. & Hiern) H.Rob. (original description)
Vernonia oxyura O.Hoffm. accepted as Gymnanthemum coloratum (Willd.) H.Rob. & B.Kahn (original description)
Vernonia subuligera O.Hoffm. accepted as Gymnanthemum myrianthum (Hook.f.) H.Rob. (original description)
Vernonia superba O.Hoffm. accepted as Linzia melleri (Oliv. & Hiern) H.Rob. (original description)
Vernonia syringifolia O.Hoffm. (original description)
Vernonia teitensis O.Hoffm. accepted as Orbivestus teitensis (O.Hoffm.) H.Rob. (original description)