Nitella flexilis f. brevifolia Wahlst., 1875 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Charophyta class Charophyceae order Charales family Characeae genus Nitella species Nitella flexilis Name Homonyms Nitella flexilis f. brevifolia Wahlst., 1875 Nitella flexilis f. brevifolia A.Br.