Centaurea duboisii Boreau, Fl. Centre France, ed. 3, 2: 350. 1857 Centaurea duboisii Boreau, Fl. Centre France, ed. 3, 2: 350. 1857Taxon for this nameCentaurea duboisii Boreau, Fl. Centre France, ed. 3, 2: 350. 1857