Naderifar, Maryam, Ali Sonboli, and Abbas Gholipour. “Pollen Morphology of Iranian <i>Dracocephalum</I> L. (Lamiaceae) and Its Taxonomic Significance”. Bangladesh Journal of Plant Taxonomy 22, no. 2 (December 28, 2015): 99–110. Accessed December 22, 2024. https://banglajol.info/index.php/BJPT/article/view/26071.