Species: Microcystis wesenbergii
English Name: Microcystis wesenbergii
Chinese Name: 惠氏微囊藻
Family: Microcystaceae
Description:
A species of cyanobacterium, or blue-green alga, that forms colonies of cells in freshwater. They usually form in large concentrations, called blooms, and appears bright green to blue-green and can cause surface scums. Clones of these species are non-toxic.

Photos used under a Creative Commons license
References:
-Qiu Yi Jian, Ung Wai Kin, and Kong Yi Jun, 2011. Atlas of Common Harmful Freshwater Algae in Macao. Macau University of Science and Technology Publishing.