Onopordum illyricum subsp. ferox (Rouy) P. Fourn., Quatre Fl. France: 1013. 1940
Onopordum illyricum subsp. ferox, Quatre Fl. France: 1013. 1940
is new combination for Onopordum ferox in Bull. Soc. Bot. France 43: 592. 1896
Onopordum illyricum subsp. ferox, Quatre Fl. France: 1013. 1940