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