Fucus evanescens f. macrocephalus Kjellman, 1889 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Fucales family Fucaceae genus Fucus species Fucus evanescens Name Homonyms Fucus evanescens f. macrocephalus Kjellman, 1889