Onopordum acanthium subsp. horridum (Viv.) P. Fourn., Quatre Fl. France: 1012. 1940
Onopordum acanthium subsp. horridum, Quatre Fl. France: 1012. 1940
is new combination for Onopordum horridum, Fl. Libyc. Spec.: 68. 1824
Onopordum acanthium subsp. horridum, Quatre Fl. France: 1012. 1940