Spirogyra occidentalis (Trans.) Czurda Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Zygnemataceae genus Spirogyra species Spirogyra occidentalis Name Synonyms Spirogyra velata var. occidentalis Trans. Homonyms Spirogyra occidentalis (Trans.) Czurda