Phengklai, C. “Studies in Flora of Thailand: Hippocastanaceae, Cannabitaceae, Irvingiaceae, Casuarinaceae”. Thai Forest Bulletin (Botany), no. 9, Dec. 2014, pp. 1-11, https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/25117.