Souvannakhoummane, Keooudone, Soulivanh Lanorsavanh, Jeong Ho Park, Ho Sang Kang, Tai Hyeon Ahn, Singkone Xayalath, and Chanhsamone Phongoudom. “Begonia Colliculata (Begoniaceae), a New Species from Nam Kading National Protected Area, Bolikhamxai Province, Laos”. Thai Forest Bulletin (Botany) 48, no. 2 (July 24, 2020): 108–113. Accessed July 1, 2022. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/243079.