Cosmarium pseudocommissurale Kouwets Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium pseudocommissurale Name Synonyms Cosmarium ornatum var. incertum Gronblad, 1942 Homonyms Cosmarium pseudocommissurale Kouwets