Compositae Working Group (CWG) (2024). Global Compositae Database. Centaurea calabra G.Caruso, S.A.Giardina, Raimondo & Spadaro. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1385694 on 2024-07-13
Marine Species Traits editorial board (2024). Marine Species Traits. Centaurea calabra G.Caruso, S.A.Giardina, Raimondo & Spadaro. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1385694 on 2024-07-13