Halimeda tuna f. platydisca (Decaisne) E.S.Barton, 1901 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Chlorophyta class Ulvophyceae order Bryopsidales family Halimedaceae genus Halimeda species Halimeda tuna Name Homonyms Halimeda tuna var. platydisca (Decaisne) Børgesen, 1911 Halimeda tuna f. platydisca (Decaisne) E.S.Barton, 1901