Paukov, Alexander G., and Evgeny A. Davydov. “Aspicilia Stalagmitica (Megasporaceae) – a New Lichen Species With Isidia-Like Thalline Outgrowths”. Turczaninowia 23, no. 1 (February 24, 2020): 5-12. Accessed October 24, 2025. https://turczaninowia.asu.ru/article/view/7412.