Staurastrum granulosum var. acutum (Bréb.) W. & G.S.West Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum granulosum Name Homonyms Staurastrum granulosum var. acutum (Bréb.) W. & G.S.West