Staurastrum sexcostatum var. productum (West) Schmidle Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum sexcostatum Name Homonyms Staurastrum sexcostatum var. productum W.West Staurastrum sexcostatum var. productum (West) Schmidle