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