Singh, Manoj, Harish Negi, Jeewan Singh Jalal, and Dinesh Kumar Agrawala. “<I>Cephalanthera erecta< I> Var. <I>Oblanceolata< I> (Orchidaceae): A New Record for the Flora of India”. Nelumbo 63, no. 1 (July 31, 2021): 20–24. Accessed September 8, 2024. https://nelumbo-bsi.org/index.php/nlmbo/article/view/163908.