Closterium arcuatum Bréb. 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 arcuatum Bréb. ex Ralfs, 1848 Closterium arcuatum Bréb.