De HCP, Singh C, Joshi P, Kaur A. Taxonomic Observations on the Genus Pyrrosia Mirbel from District Chamoli of Uttarakhand State (India). Indian Forester [Internet]. 2011 Sep. 1 [cited 2025 Jul. 10];137(9):1082-8. Available from: http://indianforester.co.in/index.php/indianforester/article/view/12410