Cosmarium lundellii var. circulare (Reinsch) Willi Krieger, 1932 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium circulare Name Homonyms Cosmarium lundellii var. circulare (Reinsch) Willi Krieger, 1932 Cosmarium lundellii subsp. circulare (Reinsch) Krieger