Euastrum insulare f. silesiacum Grönblad, 1926 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Euastrum species Euastrum insulare Name Homonyms Euastrum insulare var. silesiacum (Grönblad) Willi Krieg. Euastrum insulare f. silesiacum Grönblad, 1926