Puff, C. and Chamchumroon, V. (2014) “Non–indigenous Rubiaceae grown in Thailand”, Thai Forest Bulletin (Botany), (31), pp. 75–94. available at: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24407 (accessed: 3 April 2025).