Jacobsen, Niels, Jan D. Bastmeijer, Bhanubong Bongcheewin, Takashige Idei, Duangchai Sookchaloem, and Marian Orgaard. 2015. “A New Variety of Cryptocoryne Crispatula Engl. (Araceae) from Thailand”. Thai Forest Bulletin (Botany), no. 43 (December):104-10. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/44214.