Al-Musawi , Ali H., and Sukeyna A. Aliwy. “Ecology and Geographical Distribution for Six Species of the Genus Echinops L.(compositae) in Iraq”. Iraqi Journal of Science, vol. 57, no. 1B, Feb. 2023, pp. 315-09, https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/7753.