Carpacanthus gaudichaudii (Mont.) Kütz., 1849 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Sargassaceae genus Sargassum species Sargassum polycystum Name Homonyms Carpacanthus gaudichaudii (Mont.) Kütz., 1849