Castagnea virescens f. vernales Areschoug, 1875 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Ectocarpales family Chordariaceae genus Eudesme species Eudesme virescens Name Homonyms Castagnea virescens f. vernales Areschoug, 1875