Is seaweed a plant? | Britannica

Algal forest

Sunlight streaming through an underwater giant kelp (Macrocystis pyrifera)...

An edible seaweed

Dulse (Palmaria palmata), an edible red alga. Dulse grows along the northern...

Julian Cremona, www.theseashore.org.uk

Not seaweed

A meadow of Neptune grass (Posidonia oceanica), a true plant, in the...

Is seaweed a plant?: Media