Common Bladderwort, a member of the Bladderwort family, is found free floating in bogs and shallow waters of lakes, rivers and marshes. This perennial is carnivorous, trapping small organisms in its bladder and digesting them with enzymes it produces for the breakdown of its food.

This aquatic plant has no roots but  extremely finely divided leaves about 1.5-5 cm long, with a yellow snapdragon-like flower that has a spurred lower lip. This flower, 1-2 cm long, extends above the water on a stalk, up to 10 cm in height. You can find this floating plant in the Algonquin Highlands blooming from June to August. Its fruit appears like a capsule and contains many seeds. It is an important food source for fish, muskrats and waterfowl. Fish also use the Bladderwort as cover.