The Notheiaceae is a family of
brown alga
Brown algae (singular: alga), comprising the class (biology), class Phaeophyceae, are a large group of multicellular algae, including many seaweeds located in colder waters within the Northern Hemisphere. Brown algae are the major seaweeds of the ...
e.
References
Fucales
Brown algae families
{{Phaeophyceae-stub