*[http://www.theplantlist.org/tpl1.1/search?q=Centaurea+benedicta Plant List]
*[http://pfaf.org/user/Plant.aspx?LatinName=Centaurea%20benedicta Plants for a future]
*[http://proseanet.org/prosea/e-prosea.php PROSEA]
*[https://inpn.mnhn.fr/espece/cd_nom/89531/tab/taxo TAXREF]
*[https://www.tela-botanica.org/bdtfx-nn-15069 Tela Botanica]