<i><b>Centaurea paniculata</b></i>
Jacquin, N.J. von
<i>Florae Austriaceae</i>, vol. 4, Tab. 320, Wien 1776 <a rel="nofollow" class="external autonumber" href="http://plantgenera.org/illustration.php?id_illustration=73568&amp;SID=0&amp;mobile=0&amp;code_category_taxon=9&amp;size=1">[1]</a>