Fucus siliquastrus Mertens ex Turner, 1809 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Sargassaceae genus Sargassum species Sargassum siliquastrum Name Homonyms Fucus siliquastrus Mertens ex Turner, 1809 Fucus siliquastrus Mertens