Phuphathanaphong, Leena, Puangpen Siriruksa, and Guntima Nuvongsri. “The Genus Hibiscus in Thailand”. Thai Forest Bulletin (Botany), no. 18 (December 15, 2014): 43–79. Accessed April 16, 2024. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/29679.