Ozothallia nodosa (Linnaeus) Decaisne & Thuret Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Fucaceae genus Ascophyllum species Ascophyllum nodosum Name Homonyms Ozothallia nodosa (Linnaeus) Decaisne & Thuret