Ceramium rubrum f. proliferum (C.Agardh) Kjellman, 1883 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Ceramiales family Ceramiaceae genus Ceramium species Ceramium virgatum Name Homonyms Ceramium rubrum var. proliferum C.Agardh, 1824 Ceramium rubrum f. proliferum (C.Agardh) Kjellman, 1883