Gastridium filiforme var. rugosum O.F.Müller Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Gigartinales family Dumontiaceae genus Dumontia species Dumontia contorta Name Homonyms Gastridium filiforme var. rugosum O.F.Müller ex Lyngb., 1819 Gastridium filiforme var. rugosum O.F.Müller