Božić, Dragana, Dragana Rančić, Marija Sarić- Krasmanović, and Sava Vrbničanin. 2020. “Comparative Micro-Morphological and Anatomical Analysis of Leaves of Cultivated and Hybrid Forms of Weedy Sunflower”. Acta Herbologica 29 (1): 43-54. https://doi.org/10.5937/29actaherb-25563.