Ceramium siliquosum (Kützing) Maggs & Hommersand Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Ceramiaceae genus Ceramium species Ceramium siliquosum Name Synonyms Ceramium elegans f. longiarticulata Celan & Serbanescu Ceramium elegans var. diaphanoideum Celan & Serbanescu Ceramium radiculosum Grunow Ceramium radiculosum Grunow ex Hauck, 1867 Hormoceras siliquosum Kütz., 1847 Homonyms Ceramium siliquosum (Kützing) Maggs & Hommersand