Closterium ralfsii var. delpontei Klebs, 1879 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Closteriaceae genus Closterium species Closterium delpontei Name Homonyms Closterium ralfsii var. delpontei Klebs, 1879