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|Noun||1.||family Fucaceae - small family of brown algae: gulfweeds; rockweeds|
protoctist family - any of the families of Protoctista
rockweed - coarse brown seaweed growing on rocks exposed at low tide
genus Fucus - type genus of the family Fucaceae: cartilaginous brown algae
Ascophyllum, genus Ascophyllum - brown algae distinguished by compressed or inflated branchlets along the axis
genus Sargassum - a genus of protoctist