Panigrahi, G., and B. K. Dikshit. “Systematics of the Genus <I>Potentilla< I> L. - (Rosaceae Juss.) - Its Infrageneric Classification and Evolutionary Trends”. Nelumbo, vol. 27, no. 1-4, Aug. 2015, pp. 177-96, doi:10.20324/nelumbo/v27/1985/74771.