Polysiphonia calodictyon Harvey Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Rhodomelaceae genus Tolypiocladia species Tolypiocladia calodictyon Name Homonyms Polysiphonia calodictyon Harvey ex Kütz., 1864 Polysiphonia calodictyon Harvey