TAMAS, Mircea, Carmen POP, Ada MARTIAN, and Lucian BARBU-TUDORAN. “Morphological Research on Indigenous Sambucus Species Pollen”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 37, no. 1 (1): 65-69. Accessed September 28, 2020. https://www.notulaebotanicae.ro/index.php/nbha/article/view/3097.