Closterium juncidum var. brevius (Rabenh.) J.Roy Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Closteriaceae genus Closterium species Closterium juncidum Name Homonyms Closterium juncidum var. brevius (Rabenh.) J.Roy