Onopordum ferox Rouy in Bull. Soc. Bot. France 43: 592. 1896
Onopordum ferox in Bull. Soc. Bot. France 43: 592. 1896
is basionym for Onopordum illyricum subsp. ferox, Quatre Fl. France: 1013. 1940
Onopordum ferox in Bull. Soc. Bot. France 43: 592. 1896