Sphaerozosma vertebratum var. latius W. & G.S.West Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Sphaerozosma species Sphaerozosma vertebratum Name Homonyms Sphaerozosma vertebratum var. latius W. & G.S.West