Desmidium cylindricum Grev. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Charophyta class Zygnematophyceae order Zygnematales family Desmidiaceae genus Desmidium species Desmidium cylindricum Name Homonyms Desmidium cylindricum Greville ex Nordstedt Desmidium cylindricum Grev.