Nitzschia laevis Hustedt Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Bacillariophyta class Bacillariophyceae order Bacillariales family Bacillariaceae genus Nitzschia species Nitzschia laevis Name Homonyms Nitzschia laevis Hustedt, 1939 Nitzschia laevis Frenguelli, 1923