Pendry, C. A. and Adema, F. (2014) “Polygala obliqua Pendry, a new species of Polygalaceae from northern Thailand”, Thai Forest Bulletin (Botany), (41), pp. 41–44. Available at: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24099 (Accessed: 20 August 2022).