Cosmaridium cucumis (Corda ex Ralfs) F.Gay, 1884 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium cucumis Name Homonyms Cosmaridium cucumis (Corda ex Ralfs) F.Gay, 1884