Euastrum spinulosum var. spinulosum Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Euastrum species Euastrum spinulosum Name Homonyms Euastrum spinulosum subsp. spinulosum Euastrum spinulosum var. spinulosum