Algae
Algae refers to all vegetation that grows in water, especially large enough, often forming large masses. The term algae has no biological meaning but is commonly used in water transportation to abandon the navigable area. The term algae in biology used to be called a group of algae organisms, but opposed by some members of growing plants in the water are also called algae. To avoid misunderstandings, the term "algae" is abused in botany.