Cystoseira concatenata (Linnaeus) C.Agardh Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Sargassaceae genus Cystoseira species Cystoseira foeniculacea Name Homonyms Cystoseira concatenata (Linnaeus) C.Agardh