Aquatic plant

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Water lillies, with flowers above the water
Section of the stem of a water lilly

Aquatic plants are plants that have adapted to live in the water. This can be either freshwater, such as in rivers and lakes, saltwater as in the sea, or brackish water, as in the estuary of a river. Some aquatic plants are partly submerged, others are totally submerged. Common adaptations include leaves that float on the water, and special tissue that allows to transport air and other gases inside the plant.