Centaurea scyria Runemark accepted as Centaurea rechingeri Phitos (original description)
Felicia gunillae B.Nord. (original description)
Pentzia tomentosa B.Nord. (original description)
Sonchus friesii Boulos (original description)
Taeckholmia Boulos accepted as Sonchus L. (original description)
Taeckholmia arborea (DC.) Boulos accepted as Sonchus arboreus DC. (original description)
Taeckholmia canariensis (Svent.) Boulos accepted as Sonchus sventenii U.Reifenb. & A.Reifenb. (original description)
Taeckholmia capillaris (Svent.) Boulos accepted as Sonchus capillaris Svent. (original description)
Taeckholmia heterophylla Boulos accepted as Sonchus heterophyllus (Boulos) U.Reifenb. & A.Reifenb. (original description)
Taeckholmia microcarpa Boulos accepted as Sonchus microcarpus (Boulos) U.Reifenb. & A.Reifenb. (original description)
Taeckholmia pinnata (L.f.) Boulos accepted as Sonchus leptocephalus Cass. (original description)
Taeckholmia regis-jubae (Pit.) Boulos accepted as Sonchus regis-jubae Pit. (original description)