Dysphinctium quadratum var. sinuosum (P.Lundell) J.Comère Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Cosmarium species Cosmarium decedens Name Homonyms Dysphinctium quadratum var. sinuosum (P.Lundell) J.Comère