Cosmarium depressum Bailey, 1851 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium baileyi Name Homonyms Cosmarium depressum (Nägeli) P.Lundell Cosmarium depressum (Nägeli) J.W.G.Lund Cosmarium depressum Bailey, 1851