Spondylosium depressum Breb., 1849 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Spondylosium species Spondylosium depressum Name Synonyms Sphaerozosma depressum (Breb.) Rabenh., 1868 Homonyms Spondylosium depressum Breb., 1849