Nitella gracilis 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 gracilis Name Homonyms Nitella gracilis f. brevifolia Wahlst., 1875 Nitella gracilis f. brevifolia A.Braun