Elachista grevillei Arn. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Ectocarpales family Chordariaceae genus Elachista species Elachista fucicola Name Homonyms Elachista grevillei Arn. ex Harv. Elachista grevillei Arn.