Awasthi, Dharani Dhar. “Lichen Genus <i>Cetraria< i> In India and Nepal”. Nelumbo 24, no. 1-4 (August 10, 2015): 1–27. Accessed April 27, 2024. https://www.nelumbo-bsi.org/index.php/nlmbo/article/view/75260.