Euastrum didelta f. ansatiforme Schmidle, 1898 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Euastrum species Euastrum didelta Name Homonyms Euastrum didelta var. ansatiforme (Schmidle) F.Ducellier, 1915 Euastrum didelta f. ansatiforme Schmidle, 1898