Gelidium repens Kutz. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Rhodymeniales family Lomentariaceae genus Ceratodictyon species Ceratodictyon repens Name Homonyms Gelidium repens Okamura, 1899 Gelidium repens Kutz.