Staurodesmus bieneanus var. ellipticus (Wille) Croasdale, 1962 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurodesmus species Staurodesmus bieneanus Name Homonyms Staurodesmus bieneanus var. ellipticus (Wille) Croasdale, 1962