Staurastrum pseudosebaldi var. elongatum Messikommer, 1957 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum pseudosebaldi Name Homonyms Staurastrum pseudosebaldi var. elongatum Messikommer, 1957