Nitzschia longissima var. parva V. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Bacillariales family Bacillariaceae genus Nitzschia species Nitzschia longissima Name Homonyms Nitzschia longissima f. parva Grunow, 1881 Nitzschia longissima var. parva (Grunow) H.Peragallo, 1889