Berkheyopsis gorterioides (Oliv. & Hiern) Thell. accepted as Hirpicium gorterioides (Oliv. & Hiern) Roessler (original description)
Berkheyopsis rehmannii Thell. accepted as Hirpicium bechuanense (S.Moore) Roessler (original description)
Calostephane eylesii Thell. accepted as Calostephane divaricata Benth. (original description)
Felicia bachmannii Thell. accepted as Felicia serrata (Thunb.) Grau (original description)
Ifloga ambigua Thell. accepted as Ifloga thellungiana Hilliard & B.L.Burtt (original description)
Ifloga aristulata Thell. accepted as Ifloga glomerata (Harv.) Schltr. (original description)
Matricaria albidiformis Thell. accepted as Foveolina albidiformis (Thell.) Källersjö (original description)
Matricaria pilifera Thell. accepted as Cymbopappus piliferus (Thell.) B.Nord. (original description)
Matricaria schinziana Thell. accepted as Foveolina schinziana (Thell.) Källersjö (original description)
Pentzia caudiculata Thell. accepted as Pentzia pinnatisecta Hutch. (original description)
Pentzia stenocephala Thell. accepted as Phymaspermum acerosum (DC.) Källersjö (original description)
Pentzia tysonii Thell. accepted as Phymaspermum woodii (Thell.) Källersjö (original description)
Pentzia woodii Thell. accepted as Phymaspermum woodii (Thell.) Källersjö (original description)