Conferva retroflexa Bonnem. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Chlorophyta class Ulvophyceae order Cladophorales family Cladophoraceae genus Cladophora species Cladophora retroflexa Name Homonyms Conferva retroflexa Bonnem. ex P.L.Crouan & H.M.Crouan, 1867 Conferva retroflexa Bonnem.