Middleton, D. J. (2014) “A new species of Wrightia (Apocynaceae: Apocynoideae) from Thailand”, Thai Forest Bulletin (Botany), (35), pp. 80–85. Available at: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24204 (Accessed: 22 May 2022).