Onopordum boissieri Freyn & Sint. in Bull. Herb. Boissier 3: 470. 1895
Onopordum boissieri in Bull. Herb. Boissier 3: 470. 1895
is earlier homonym of Onopordum boissieri in Davis, Fl. Turkey 5: 362. 1975
Onopordum boissieri in Bull. Herb. Boissier 3: 470. 1895