Staurastrum pyramidatum var. coilon West & G.S.West, 1894 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Staurastrum species Staurastrum pyramidatum Name Synonyms Cosmoastrum pyramidatum var. coilon (West & G.S.West) Pal.-Mordv., 1982 Homonyms Staurastrum pyramidatum var. coilon West & G.S.West, 1894