Staurastrum furcigerum var. arnellii (Boldt) Coesel, 2007 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum arnellii Name Homonyms Staurastrum furcigerum var. arnellii (Boldt) Coesel, 2007