.V.S. N. Dora, G. M. Narasinha Rao, P. P. M. D. S. R. S. V. (2011) “Diversity and Distribution of Pteridophytic flora of Punyagiri hill, Vizianagaram District, Andhra Pradesh, India”, Current Botany, 2(7). Available at: https://updatepublishing.com/journal/index.php/cb/article/view/1356 (Accessed: 27 April 2024).