Amarasinghe, A. P. P. R., and D. S. A. Wijesundara. “A NEW SPECIES OF RHINACANTHUS (ACANTHACEAE) FROM SRI LANKA”. Edinburgh Journal of Botany 68, no. 3 (October 18, 2011): 333–337. Accessed September 3, 2026. https://journals.rbge.org.uk/ejb/article/view/1449.