زيني سماح, عفيفة عيسى, and أحمد قره علي. 2023. “Descriptive, Anatomical and Pollinative Study of Ephedra Campylopoda (Ephedraceae)”. Tishreen University Journal -Biological Sciences Series 45 (4):59-73. https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/14763.