Jha, Neerja, and Rajni Tewari. “Significance of Mesosporium in Taxonomic Resolution of Fossil Megaspores”. Journal of Palaeosciences 58, no. (1-3) (December 31, 2009): 101–105. Accessed May 5, 2024. https://www.jpsonline.co.in/index.php/jop/article/view/87.