Sphaerozosma Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Desmidiaceae genus Sphaerozosma Name Homonyms Sphaerozosma Corda ex Ralfs, 1848 Sphaerozosma Corda, 1842 Sphaerozosma