Euastrum quadratum var. microsphinctum F.Gay, 1884 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Euastrum species Euastrum quadratum Name Synonyms Dysphinctium quadratum var. microsphinctum (F.Gay) J.Comère Homonyms Euastrum quadratum var. microsphinctum F.Gay, 1884