Sphaerozosma vertebratum Bréb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Sphaerozosma species Sphaerozosma vertebratum Name Homonyms Sphaerozosma vertebratum Bréb. ex Ralfs Sphaerozosma vertebratum Bréb.