Sargassum hystrix var. buxifolium Chauvin Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Sargassaceae genus Sargassum species Sargassum buxifolium Name Homonyms Sargassum hystrix var. buxifolium Chauvin