Nitella praelonga var. cernua (A.Braun) R.D.Wood, 1962 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Charophyceae order Charales family Characeae genus Nitella species Nitella cernua Name Homonyms Nitella praelonga var. cernua (A.Braun) R.D.Wood, 1962