Dysphinctium quadratum var. microsphinctum (F.Gay) J.Comère Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Euastrum species Euastrum quadratum Name Homonyms Dysphinctium quadratum var. microsphinctum (F.Gay) J.Comère