Sphaerococcus osmunda (S.G.Gmelin) Stackh., 1797 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Rhodomelaceae genus Osmundea species Osmundea osmunda Name Homonyms Sphaerococcus osmunda (S.G.Gmelin) Stackh., 1797