Biswas, Anjali. “<I>Thelypteris ratnapurae< I> Fraser Jenk. - A New Record of Fern for India”. Nelumbo 50, no. 1-4 (December 7, 2008): 207–208. Accessed July 23, 2024. https://nelumbo-bsi.org/index.php/nlmbo/article/view/58319.