Primarily marine, these algae contain pigments that allow them to photosynthesize in deeper, dimmer waters where blue light penetrates.
These are rooted in the bottom, but their leaves float on the surface. Water lilies are the classic example, utilizing the air-water interface for maximum sunlight. 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. Primarily marine, these algae contain pigments that allow