Docidium undulatum J.W.Bailey Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Conjugatophyceae order Desmidiales genus Docidium species Docidium undulatum Name Synonyms Docidium undulatum var. dilatum (Cleve) West & G.S.West, 1904 Pleurotaenium dilatatum Cleve, 1864 Homonyms Docidium undulatum J.W.Bailey