Sargassum hawaiiense Doty & Newhouse, 1966 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Sargassaceae genus Sargassum species Sargassum obtusifolium Name Homonyms Sargassum hawaiiense Doty & Newhouse, 1966