The Fucaceae are a family of

brown alga Brown algae (singular: alga), comprising the 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 temperate an ...

e, containing six genera: *''

Ascophyllum ''Ascophyllum nodosum'' is a large, common cold water seaweed or brown alga (Phaeophyceae) in the family Fucaceae, being the only species in the genus ''Ascophyllum''. It is a seaweed that only grows in the northern Atlantic Ocean, also known in ...

'' Stackhouse – one species *''

Fucus ''Fucus'' is a genus of brown algae found in the intertidal zones of rocky seashores almost throughout the world. Description and life cycle The thallus is perennial with an irregular or disc-shaped holdfast or with haptera. The erect portion o ...

'' L. – 15 species *'' Hesperophycus'' Setchell & Gardner – one species *'' Pelvetia'' Decne. & Thur. – one species *'' Pelvetiopsis'' N.L.Gardner – two species *''

Silvetia ''Silvetia'' is a genus of brown algae, commonly known as rockweed, found in the intertidal zone of rocky seashores of the Pacific Ocean. These were originally classified as members of the genus ''Pelvetia''. In 1999, ''Silvetia sp.'' was created ...

'' E.Serrão, T.O.Cho, S.M.Boo & S.H.Brawley – three species Dwarf rockweed, north Moonstone

References

Brown algae families {{Phaeophyceae-stub