Ceramium gracillimum Mazoyer Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Ceramiaceae genus Ceramium species Ceramium flaccidum Name Homonyms Ceramium gracillimum (Kützing) Zanardini Ceramium gracillimum Griffiths & Harvey ex Harvey, 1848 Ceramium gracillimum Gobi Ceramium gracillimum C.Agardh