Phonsena, P., and W. De Wilde. “The Genus Aspidistra Ker Gawl. (Asparagaceae/Ruscaceae) in Thailand”. Thai Forest Bulletin (Botany), no. 38, 1, pp. 48-58, https://www.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24351.