Types of Algae (image) University of Michigan Caption Streams contain a variety of types of algae that remove pollutants from the water. This microscope image shows several species of algae similar to those used in the University of Michigan biodiversity study. Credit Danuta Bennett Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.