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