Conferva glomerata var. rigida C.Agardh, 1817 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Chlorophyta class Ulvophyceae order Cladophorales family Cladophoraceae genus Cladophora species Cladophora vagabunda Name Homonyms Conferva glomerata var. rigida C.Agardh, 1817 Conferva glomerata subsp. rigida C.A.Agardh