Cosmarium laeve var. pseudooctangulare F.E.Fritsch & M.F.Rich, 1930 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium laeve Name Homonyms Cosmarium laeve var. pseudooctangulare F.E.Fritsch & M.F.Rich, 1930