Puff, Christian, and Kongkanda Chayamarit. “Living under Water for up to Four Months of the Year: Observations on the Rheophytes of the Mekong River in the Pha Taem National Park Area (Thailand/Laos Border)”. Thai Forest Bulletin (Botany), no. 39 (November 24, 2014): 173–205. Accessed October 7, 2022. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24307.