Benniamin, A., and M. S. Sundari. “Natural Apospory in <I>Pteris aspercaulis< I> Wall. Ex. J. Agardh from North Eastern India”. Indian Forester 143, no. 2 (February 1, 2017): 187–188. Accessed October 28, 2025. https://indianforester.co.in/index.php/indianforester/article/view/113605.