Umemoto, Shinya, and Hiroshige Koyama. 2014. “A New Species of Eclipta (Compositae: Heliantheae) and Its Allies in Eastern Asia”. Thai Forest Bulletin (Botany), no. 35 (December):108-18. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24209.