Wangwasit, Khanit, and Kamolhathai Wangwasit. “The Genus Gaertnera (Rubiaceae) in Thailand”. Thai Forest Bulletin (Botany) 49, no. 2 (October 15, 2021): 206–211. Accessed April 20, 2024. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/249935.