Lithothamnion fruticulosus f. clavulata Foslie Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Corallinales family Spongitaceae genus Spongites species Spongites fruticulosus Name Homonyms Lithothamnion fruticulosus f. clavulata Foslie