“Morphological Study of Pollen-Grains for the Wild Species of the Genus Erysimum L. (Crucifereae) in Iraq ”. Baghdad Science Journal 9, no. 4 (December 2, 2012): 569–574. Accessed June 19, 2025. https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/1399.