Rajbhandari, K. R., R. Joshi, and S. Dahal. “Genus <i>Bistorta</I> (L.) Adans. (Polygonaceae) in Nepal”. Journal of Plant Resources, vol. 30, Dec. 2008, pp. 47-57, https://www.nepjol.info/index.php/BDPR/article/view/1521.