Euastrum circulare Hassall ex Ralfs, 1848 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Euastrum species Euastrum circulare Name Synonyms Cosmarium circulare (Hassall ex Ralfs) Kütz., 1849 Euastrum circulare Hassall Homonyms Euastrum circulare Hassall ex Ralfs, 1848 Euastrum circulare Hassall