Desmidium quadrangulatum Ralfs Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Desmidium species Desmidium quadrangulatum Name Synonyms Desmidium swamii var. quadrangulatum (Ralfs) J.Roy, 1893 Homonyms Desmidium quadrangulatum Ralfs