Grateloupia multiphylla E.Y.Dawson, 1954 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Halymeniales family Halymeniaceae genus Halymenia species Grateloupia doryphora Name Homonyms Grateloupia multiphylla E.Y.Dawson, 1954