Harwood, B., and N. Tathana. “Two New Casearia (Salicaceae) Species from Thailand, and Notes on Casearia Grewiifolia Var. Gelonioides”. Thai Forest Bulletin (Botany), no. 39, Nov. 2014, pp. 23-27, https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24172.