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