Dibyendu Talukdar, Tulika Talukdar,. “Morpho-Taxonomic Description of Cypsela Features in Two Genera of Tribe Mutisieae (Asteraceae)”. Current Botany 5 (November 23, 2015): 26–33. Accessed April 24, 2024. https://updatepublishing.com/journal/index.php/cb/article/view/2817.