Ellisius coccinea (Hudson) S.F.Gray, 1821 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Plocamiales family Plocamiaceae genus Plocamium species Plocamium cartilagineum Name Homonyms Ellisius coccinea (Hudson) S.F.Gray, 1821