Abd, Ayman Adwan. “Morphological Variation in Achenes in Certain Species Belonging to the Tribe Cardueae (Asteraceae) in Iraq”. Journal for Research in Applied Sciences and Biotechnology 2, no. 6 (December 13, 2023): 43–48. Accessed November 24, 2024. https://jrasb.com/index.php/jrasb/article/view/363.