Herponema luteolum (Sauv.) G.Hamel, 1939 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Phaeophyceae order Ectocarpales family Ectocarpaceae genus Spongonema species Spongonema tomentosum Name Homonyms Herponema luteolum (Sauv.) G.Hamel, 1939