Carduus macropterus Fisch. ex Spreng. accepted as Jurinea polyclonos (L.) DC. (original description)
Centaurea altaica Fisch. ex Spreng. accepted as Rhaponticum serratuloides (Georgi) Bobrov (original description)
Centaurea auriculata Spreng. accepted as Centaurea stereophylla Besser (original description)
Centaurea sanguinea Spreng. (original description)
Cineraria forsteri Spreng. accepted as Senecio forsteri (Spreng.) Schlecht. ex DC. (original description)
Conyza tenorii Presl ex Spreng. accepted as Phagnalon rupestre subsp. illyricum (H.Lindb.) Ginzb. (original description)
Crepis adonis Spreng. accepted as Crepis chondrilloides Jacq. (original description)
Crepis cernua Ten. ex Spreng. accepted as Crepis neglecta L. (original description)
Lactuca wallrothii Spreng. accepted as Lactuca saligna L. (original description)