Centaurea jacea L., Sp. Pl.: 914. 1753 Centaurea jacea L., Sp. Pl.: 914. 1753is replaced synonym for Jacea pratensis Lam., Fl. Franç. 2: 55. 1779has orthographic variant Centaurea iaceaTaxon for this nameCentaurea jacea L., Sp. Pl.: 914. 1753