Chrysocoma puberula Schltr. ex Merxm. (original description)
Felicia buchubergensis (Dinter) Merxm. accepted as Felicia hirsuta DC. (original description)
Geigeria otaviensis (Merxm.) Merxm. (original description)
Gnaphalium minutum B.Nord. accepted as Lasiopogon minutus (B.Nord.) Hilliard & B.L.Burtt (original description)
Gnaphalium volkii B.Nord. accepted as Lasiopogon volkii (B.Nord.) Hilliard (original description)
Pentzia suffruticosa (L.) Hutch. ex Merxm. accepted as Oncosiphon suffruticosum (L.) Källersjö (original description)
Senecio giessii Merxm. (original description)
Senecio windhoekensis Merxm. (original description)
Sphaeranthus wattii Giess ex Merxm. (original description)
Ursinia caledonica (E.Phillips) Prassler (original description)
Ursinia merxmuelleri Prassler (original description)
Ursinia oreogena Schltr. ex Prassler (original description)
Ursinia pinnata (Thunb.) Prassler (original description)
Ursinia subflosculosa (DC.) Prassler (original description)