This forest of seaweed is comprised of kelp.
Seaweed is a water plant, especially saltwater algae.
An example of seaweed is kelp.
- any sea plant or plants; esp., any marine alga, as kelpin full marine seaweed
- any similar freshwater plantin full freshwater seaweed
- Any of numerous marine algae, such as a kelp, rockweed, or gulfweed.
- A mass of such algae.