Nitzschia acula Hantzsch ex Cleve & Grunow Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bacillariophyta class Bacillariophyceae order Bacillariales family Bacillariaceae genus Nitzschia species Nitzschia acula Name Homonyms Nitzschia acula (Kützing) Hantzsch, 1861 Nitzschia acula Hantzsch ex Cleve & Grunow