Pleurotaeniopsis pseudoexiguus (Raiborski) Lagerh., 1887 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium pseudoexiguum Name Homonyms Pleurotaeniopsis pseudoexiguus (Raiborski) Lagerh., 1887