Thapyai, Chirdsak, Paul Wilkin, and Kongkanda Chayamarit. “The Dioscorea Species of Doi Chiang Dao With Particular Reference to Dioscorea Collettii Hook. F. (Dioscoreaceae), a New Record for Northern Thailand”. Thai Forest Bulletin (Botany), no. 33 (December 8, 2014): 213–219. Accessed April 24, 2024. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24320.