Callithamnion roseum Corymbosum Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Callithamniaceae genus Callithamnion species Callithamnion roseum Name Homonyms Callithamnion roseum Harvey Callithamnion roseum (Roth) Lyngbye Callithamnion roseum Corymbosum