Pooma, R. (2014) “Helwingia himalaica Hook.f. et Thome. ex Clarke -HELWINGIACEAE, a new record for Thailand”, Thai Forest Bulletin (Botany), (25), pp. 15–20. Available at: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/25007 (Accessed: 19 April 2024).