Staurastrum hexacerum var. convergens T.Hinode, 1971 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum hexacerum Name Homonyms Staurastrum hexacerum var. convergens T.Hinode, 1971