Chantaranothai, P. (2014) “The genus Trigonostemon (Euphorbiaceae) in Thailand”, Thai Forest Bulletin (Botany), (33), pp. 21–31. Available at: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24224 (Accessed: 29 May 2022).