Cosmarium phaseolus var. skujae Willi Krieg. & Gerloff Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium phaseolus Name Homonyms Cosmarium phaseolus var. skujae Willi Krieg. & Gerloff