Euastrum crassum var. scrobiculatum (P.Lundell) Kossink. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Euastrum species Euastrum crassum Name Homonyms Euastrum crassum var. scrobiculatum Lundell Euastrum crassum var. scrobiculatum (P.Lundell) Kossink.