Aquatic Plants & Algae -

These live entirely underwater. They often have limp stems because the water provides the necessary buoyancy and support. Pondweeds and coontail are frequently found in this category.

The most important distinction lies in their complexity and evolutionary history. Aquatic Plants & Algae

These are rooted in the soil underwater, but their upper portions—leaves and flowers—grow above the surface. Common examples include cattails and bulrushes. These live entirely underwater