Nitella flexilis var. nidifica (O.Müll.) Hartm. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Charophyta class Charophyceae order Charales family Characeae genus Tolypella species Tolypella nidifica Name Homonyms Nitella flexilis var. nidifica (O.Müll.) Hartm. ex Wallman Nitella flexilis var. nidifica (O.Müll.) Hartm. Nitella flexilis var. nidifica (Hartm.Ex Wallm.) R.Wood