Closterium acutum var. latius Grönblad, 1935 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Closteriaceae genus Closterium species Closterium acutum Name Homonyms Closterium acutum var. latius Grönblad, 1935 Closterium acutum var. latius (Grönblad) Willi Krieg.