Fucus serratus var. integerrimus C.Agardh, 1820 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Fucaceae genus Fucus species Fucus serratus Name Homonyms Fucus serratus var. integerrimus C.Agardh, 1820