Phuphathanaphong, Leena, and Simon Gardner. “A New Species of Hibiscus (Malvaceae-Malvoideae) from Thailand”. Thai Forest Bulletin (Botany) 45, no. 1 (April 24, 2017): 6–9. Accessed August 11, 2022. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/74454.