Polysiphonia foetidissima Cocks ex Bornet Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Rhodomelaceae genus Vertebrata species Vertebrata foetidissima Name Homonyms Polysiphonia foetidissima Cocks ex Bornet Polysiphonia foetidissima Cocks