Sargassum polyceratium Mont. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Sargassaceae genus Sargassum species Sargassum polyceratium Name Synonyms Carpacanthus polyceratius (MOnt.) Kütz., 1849 Sargassum bahiense Kütz. Sargassum spinulosum Grunow Sargassum spinulosum var. ciliata Grunow Homonyms Sargassum polyceratium Mont.