Closterium lunula (Müller) Nitzsch Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Closteriaceae genus Closterium species Closterium lunula Name Homonyms Closterium lunula Ralfs Closterium lunula (Müller) Nitzsch