Algae are types of photosynthetic organisms that are found frequently in freshwater areas. They often are the providers of food for animal life in the freshwater.
White Water Lily
Also known as nymphaea alba, the white water lily is native to Europe. It can be found all over the middle east, north africa, and europe. It grows in lakes from 30-150 centimeters. It can take up an entire 150 centimeters in spread.
Cattail are tall plants that grow commonly in ponds, lakes, marshes, and some rivers. They look similar to giant leaves of grass, and are easily recognized by the long brown cylinders on their flowers. The stalks can grow over ten feet tall.
Blue flag is a beautiful purple flower, often confused with lillies. It is common along the shoreline of bodies of water. It's official name is iris versicolor. It's found all over the world but it is native to North America.