Rhizoclonium riparium var. kochianum (Kütz.) Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Chlorophyta class Ulvophyceae order Cladophorales family Cladophoraceae genus Rhizoclonium species Rhizoclonium riparium Name Homonyms Rhizoclonium riparium var. kochianum (Kütz.)