Velisevich , S. N. “Pollen Morphology of Pinus Sibirica (Pinaceae) Mountain Populations in the North-Eastern and South-Eastern Regions of Altai”. Проблемы ботаники Южной Сибири и Монголии 22, no. 1 (July 3, 2023): 80-85. Accessed December 23, 2025. https://journal.asu.ru/bpssm/article/view/pbssm.2023014.