Seaweed actually not plants at all

Edible seaweed - Wikipedia

Quia - AP Chapter 28 - Protists (basic)

The Different Types of Ocean Plants - American Oceans

Kelp Benefits: Boost Your Health with Seaweed

Secret Gardens - NWF

8 Interesting Facts About Seaweed

A British Seaweed Scientist Is Revered in Japan as 'The Mother of the Sea' - Longreads

Plants that lives in Deep sea

Deep Dive into the World of Kelp with these 10 Books

7 Ways Seaweed Solves Your Dry Skin Problems - Ri Na Mara

The Science of Seaweeds

Kelp - Wikipedia

Why is seaweed not considered as a plant? - Quora