Centaurea caliacrae Prodan in Bul. Grad. Bot. Univ. Cluj 8: 127. 1929
Centaurea caliacrae in Bul. Grad. Bot. Univ. Cluj 8: 127. 1929
is basionym for Centaurea alba subsp. caliacrae in Bot. J. Linn. Soc. 71: 205. 1976
Centaurea caliacrae in Bul. Grad. Bot. Univ. Cluj 8: 127. 1929