#division_Phaeophyta__Phaeophyta  coextensive with class Phaeophyceae; in some classifications subsumed in the division Heterokontophyta
  supertype:  #division.biological_group  (biology) a group of organisms forming a subdivision of a larger category
  member:  #class_Phaeophyceae__Phaeophyceae  brown algae; mostly marine and littoral eukaryotic algae
     member:  #brown_algae__brownalgae  algae having the chlorophyll masked by brown and yellow pigments
     member:  #order_Laminariales__Laminariales  in some classifications coextensive with family Laminariaceae: marine brown algae of cold or polar seas
        member:  #family_Laminariaceae__Laminariaceae  large family of marine brown algae including many economically important large kelps chiefly of northern waters
           member:  #genus_Laminaria__Laminaria  type genus of the family Laminariaceae: perennial brown kelps
              member:  #kelp  large brown seaweeds having fluted leathery fronds
     member:  #order_Fucales__Fucales  coextensive with the family Fucaceae
        member:  #family_Fucaceae__Fucaceae  small family of brown algae: gulfweeds; rockweeds
           member:  #fucoid_algae__fucoid  any of various algae of the family Fucaceae
           member:  #rockweed  coarse brown seaweed growing on rocks exposed at low tide
           member:  #genus_Fucus  type genus of the family Fucaceae: cartilaginous brown algae
              member:  #fucus__fucu  any member of the genus Fucus
              member:  #serrated_wrack__Fucus_serratus__tang  brown algae seaweed with serrated edges
              member:  #black_rockweed__blackrockweed__bladderwrack__bladder_fucus__bladderfucu__tang__Fucus_vesiculosus  common black rockweed used in preparing kelp and as manure
           member:  #genus_Ascophyllum__Ascophyllum  brown algae distinguished by compressed or inflated branchlets along the axis
           member:  #genus_Sargassum  a genus of protoctista
              member:  #gulfweed__sargassum__sargasso__Sargassum_bacciferum  brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea
        member:  #fucoid  a fossilized cast or impression of algae of the order Fucales
  member:  #class_Cyclosporeae__Cyclosporeae  in more recent classifications superseded by the order Fucales

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