Floating Plants

These plants either float freely on the surface deriving their nutrients directly from the water via root systems or cell wall interactions.

Floating plants have leaves that float on the surface and are not rooted in the bottom sediment. Common species include:

Submerged Plants

These plants are completely underwater and are generally rooted in the bottom sediment. If flowers exist, they may extend above the surface of the water. Common species include:

Emergent Plants

These plants grow in shallow areas of lakes, ponds, rivers, and ditches. Generally rigid, these plants do not need water for support. Some of these plants are not considered truly aquatic but can survive submerged in water or in saturated soils for extended periods of time.

Common species include:

Algae Closely related to fungi, the algae consist of over 17,000 different species. The three main types of algae are: