Closterium acuminatum Kütz. ex Ralfs Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Closteriaceae genus Closterium species Closterium dianae Name Homonyms Closterium acuminatum Kütz. ex Ralfs Closterium acuminatum Kütz.