Phonsena, P., P. Chantaranothai, and A. Meesawat. “Two New Records of Xyris L. (Xyridaceae) for Thailand”. Thai Forest Bulletin (Botany), no. 40, Nov. 2014, pp. 134-40, https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24169.