Esser, Hans-Joachim, and Matthew H.P. Jebb. 2014. “A New Scheffl Era and Taxonomic Notes on Araliaceae from Thailand”. Thai Forest Bulletin (Botany), no. 38 (November):160-66. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24403.