Melanthalia vieillardii Kütz., 1863 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Gracilariales family Gracilariaceae genus Melanthalia species Melanthalia vieillardii Name Synonyms Melanthalia concinna J.Agardh, 1876 Melanthalia fastigiata Kütz., 1869 Homonyms Melanthalia vieillardii Kütz., 1863