Achyrophorus graminifolius Sch.Bip. ex Walp. accepted as Hypochaeris tenuifolia (Hook. & Arn.) Griseb. (original description)
Achyrophorus meyenianus Walp. (original description)
Achyrophorus odoratus Walp. (original description)
Achyrophorus praemorsus Webb ex Walp. accepted as Hypochaeris arenaria Gaudich. (original description)
Achyrophorus taraxacoides Walp. accepted as Hypochaeris taraxacoides (Meyen & Walp.) Ball (original description)
Artemisia glutinosa Boiss. ex Walp. accepted as Artemisia campestris subsp. variabilis (Ten.) Greuter (original description)
Artemisia kurilensis Walp. accepted as Artemisia lagopus Fisch. ex Besser (original description)
Aster quercifolius Less. ex Walp. accepted as Erigeron quercifolius Pursh accepted as Erigeron philadelphicus Michx. accepted as Erigeron quercifolius Pursh (original description)
Bidens abyssinica Sch.Bip. ex Walp. accepted as Bidens biternata (Lour.) Merr. & Sherff (original description)
Bidens kotschyi Sch.Bip. ex Walp. (original description)
Bidens schimperi Sch.Bip. ex Walp. (original description)
Cacalia multiflora Auct. ex Walp. accepted as Senecio multiflorus Sch.Bip. (original description)
Centaurea boissieri Walp. accepted as Centaurea attica Nyman (original description)
Coreopsis abyssinica Sch.Bip. ex Walp. accepted as Bidens camporum (Hutch.) Mesfin (original description)
Coreopsis involucrata Sch.Bip. ex Walp. accepted as Bidens pachyloma (Oliv. & Hiern) Cufod. (original description)
Coreopsis macrantha Sch.Bip. ex Walp. accepted as Bidens andicola var. andicola (original description)
Coreopsis prestinaria Sch.Bip. ex Walp. accepted as Bidens prestinaria (Sch.Bip. ex Sch.Bip.) Cufod. (original description)
Coreopsis rueppellii Sch.Bip. ex Walp. accepted as Bidens rueppellii (Sch.Bip. ex Sch.Bip.) Sherff (original description)
Coreopsis setigera Sch.Bip. ex Walp. accepted as Bidens setigera subsp. setigera (Sch.Bip. ex Walp.) Sherff (original description)
Crepis diversifolia (Spreng.) Walp. accepted as Crepidifolium tenuifolium (Willd.) Sennikov (original description)
Cryphiospermum abyssinicum (Sch.Bip.) Sch.Bip. accepted as Micractis bojeri DC. (original description)
Cyanopis hypoleuca Sch.Bip. ex Walp. accepted as Orbivestus leopoldii (Sch.Bip. ex Walp.) H.Rob. (original description)
Eupatorium leucanthum Klotzsch ex Walp. accepted as Conyza modesta Kunth (original description)
Gerbera viridiflora Walp. accepted as Gerbera viridifolia (DC.) Sch.Bip. (original description)
Helichrysum decumbens portensch. ex Walp. (original description)
Heterorhachis Sch.Bip. ex Walp. (original description)
Heterorhachis spinosissima Sch.Bip. ex Walp. accepted as Heterorhachis aculeata (Burm.f.) Roessler (original description)
Hofmeisteria urenifolia (Hook. & Arn.) Walp. (original description)
Hypochaeris ascendens Walp. (original description)
Lasiospora ispahanica (Boiss.) Walp. accepted as Scorzonera ispahanica Boiss. (original description)
Lasiospora lasiosperma (M.Bieb.) Sch.Bip. ex Walp. accepted as Scorzonera biebersteinii Lipsch. (original description)
Lasiospora paniculata (Boiss.) Walp. accepted as Scorzonera latifolia (Fisch. & C.A.Mey.) DC. (original description)
Lasiospora veratrifolia (Fenzl) Walp. accepted as Scorzonera veratrifolia Fenzl (original description)
Limnogenneton Sch.Bip. accepted as Micractis DC. (original description)
Limnogenneton abyssinicum Sch.Bip. accepted as Micractis bojeri DC. (original description)
Oporinia keretina (F.Nyl.) Walp. accepted as Scorzoneroides keretina (F.Nyl.) Greuter (original description)
Oreophila taraxacoides Walp. (original description)
Podolepis lucaeana Walp. (original description)
Prestinaria macrantha Sch.Bip. ex Walp. (original description)
Rancagua glaberrima Endl. ex Walp. (original description)
Rhyditospermum Walp. (original description)
Saintmorysia pachyphylla Walp. (original description)
Scorzonera nova Desf. ex Walp. accepted as Hypochaeris glabra L. (original description)
Scorzonera tuberosa Walp. (original description)
Solanecio (Sch.Bip.) Sch.Bip. ex Walp. (original description)
Trinchinettia caleoides (DC.) Endl. ex Walp. accepted as Calea caleoides (DC.) H.Rob. (original description)
Ursinia abyssinica Sch.Bip. ex Walp. accepted as Ursinia nana subsp. nana DC. (original description)
Vernonia adenosticta Fenzl ex Walp. accepted as Gymnanthemum amygdalinum (Delile) Sch.Bip. ex Walp. (original description)
Vernonia stoechadifolia Sch.Bip. ex Walp. accepted as Polydora serratuloides (DC.) H.Rob. (original description)
Wirtgenia abyssinica Sch.Bip. ex Walp. (original description)