The Musi River and Banyuasin River are rivers in South Sumatra and have an important role for various community activities. However, this has an impact on the presence of phytoplankton in the waters. This study aims to analyze the abundance, diversity, uniformity and dominance of phytoplankton. The results of the 12-station study found 9 genera in the class Bacillariophyceae (Asterionellopsis, …