Echinocaulon rigidum (M.Vahl) Kütz., 1843 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Gelidiales family Gelidiellaceae genus Gelidiella species Gelidiella acerosa Name Homonyms Echinocaulon rigidum (M.Vahl) Kütz., 1843