Aspilia mildbraedii Muschl. (original description)
Conyza adolfi-fridericii Muschl. accepted as Conyza vernonioides (Sch.Bip. ex A.Rich.) Wild (original description)
Conyza kirschsteineana Muschl. accepted as Conyza montigena S.Moore (original description)
Coreopsis mildbraedii Muschl. accepted as Bidens elliotii (S.Moore) Sherff (original description)
Erigeron mildbraedii Muschl. accepted as Conyza limosa O.Hoffm. (original description)
Inula mildbraedii Muschl. (original description)
Microglossa brevipetiolata Muschl. accepted as Conyza vernonioides (Sch.Bip. ex A.Rich.) Wild (original description)
Nidorella adolfi-friderici Muschl. accepted as Conyza vernonioides (Sch.Bip. ex A.Rich.) Wild (original description)
Senecio adolfi-friderici Muschl. (original description)
Senecio agathionanthes Muschl. accepted as Gynura scandens O.Hoffm. (original description)
Senecio behmianus Muschl. accepted as Crassocephalum ducis-aprutii (Chiov.) S.Moore (original description)
Senecio butaguensis Muschl. accepted as Crassocephalum montuosum (S.Moore) Milne-Redh. (original description)
Senecio chiovendeanus Muschl. accepted as Emilia chiovendeana (Muschl.) Lisowski (original description)
Senecio chlorocephalus Muschl. accepted as Senecio hochstetteri Sch.Bip. ex A.Rich. (original description)
Senecio cortesianus Muschl. accepted as Senecio transmarinus var. sycephalus (S.Moore) (original description)
Senecio dernburgianus Muschl. accepted as Senecio subsessilis Oliv. & Hiern (original description)
Senecio gwinnerianus Muschl. accepted as Senecio transmarinus var. virungae C.Jeffrey (original description)
Senecio gynuropsis Muschl. accepted as Crassocephalum ducis-aprutii (Chiov.) S.Moore (original description)
Senecio kirschsteineanus Muschl. accepted as Cineraria deltoidea Sond. (original description)
Senecio kiwuensi Muschl. (original description)
Senecio polygonoides Muschl. accepted as Senecio hochstetteri Sch.Bip. ex A.Rich. (original description)
Senecio rugegensis Muschl. (original description)
Senecio sabinjoensis Muschl. (original description)
Senecio schubotzianus Muschl. accepted as Cineraria deltoidea Sond. (original description)
Senecio trichopterygius Muschl. accepted as Senecio subsessilis Oliv. & Hiern (original description)
Vernonia ituriensis Muschl. accepted as Linzia ituriensis (Muschl.) H.Rob. (original description)