Polysiphonia forcipata J.Agardh, 1842 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Rhodomelaceae genus Vertebrata species Vertebrata furcellata Name Homonyms Polysiphonia forcipata Harvey, 1855 Polysiphonia forcipata J.Agardh, 1842