Staurastrum controversum var. semivestitum (West) Coesel, 2007 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum controversum Name Synonyms Staurastrum vestitum var. semivestitum West Homonyms Staurastrum controversum var. semivestitum (West) Coesel, 2007