Mukherjee, Sobhan K. R., and A. K. Sarkar. “Comparative Morpho-Anatomical Study of Cypselas in Some Species of the Tribe Heliantheae (Asteraceae)”. Nelumbo 40, no. 1-4 (May 22, 2024): 34–46. Accessed October 30, 2024. https://nelumbo-bsi.org/index.php/nlmbo/article/view/74273.