Sphaerozosma depressum (Breb.) Rabenh., 1868 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Spondylosium species Spondylosium depressum Name Homonyms Sphaerozosma depressum (Breb.) Rabenh., 1868