Ceramium gracillimum subsp. intermedium Foslie Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Ceramiaceae genus Gayliella species Gayliella flaccida Name Homonyms Ceramium gracillimum f. intermedium Foslie, 1893 Ceramium gracillimum subsp. intermedium Foslie