Desai, Rinku J., and Vinay M. Raole. “<I>Spigelia anthelmia< I> L. (Spigeliaceae):New Record to the Flora of Gujarat State, India”. Journal of the Bombay Natural History Society (JBNHS), vol. 110, no. 3, Dec. 2013, pp. 234-6, http://bnhsjournal.in/index.php/bnhs/article/view/94045.