Staurastrum angulatum var. planctonicum West & G.S.West, 1903 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurodesmus species Staurodesmus angulatus Name Homonyms Staurastrum angulatum var. planctonicum West & G.S.West, 1903