Cosmarium pileolatum Bréb. ex Comère, 1901 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium pileolatum Name Synonyms Cosmarium pileolatum Bréb. Homonyms Cosmarium pileolatum Bréb. ex Comère, 1901 Cosmarium pileolatum Bréb.