Sargassum echinocarpum var. vitiense Grunow, 1874 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Sargassaceae genus Sargassum species Sargassum aquifolium Name Homonyms Sargassum echinocarpum var. vitiense Grunow, 1874