Sargassum pachycarpum (Kütz.) Endlichter, 1843 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Sargassaceae genus Sargassum species Sargassum siliquastrum Name Homonyms Sargassum pachycarpum (Kütz.) Endlichter, 1843