Ceramium patens Grev., 1827 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Dasyaceae genus Heterosiphonia species Heterosiphonia plumosa Name Homonyms Ceramium patens Menegh., 1844 Ceramium patens Grev., 1827