Xanthidium smithii var. impar (J.P.Jacobsen) Skuja Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Xanthidium species Xanthidium impar Name Homonyms Xanthidium smithii var. impar (J.P.Jacobsen) Skuja