Fucus vesiculosus var. filiformis C.Agardh, 1819 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Fucaceae genus Fucus species Fucus vesiculosus Name Homonyms Fucus vesiculosus f. filiformis (C.Agardh) Kjellman, 1890 Fucus vesiculosus var. filiformis C.Agardh, 1819