Pinnularia viridula (Kützing) Rabenhorst, 1853 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Naviculaceae genus Navicula species Navicula viridula Name Homonyms Pinnularia viridula (Kützing) Rabenhorst, 1853 Pinnularia viridula (Ehrenberg) Ehrenberg, 1843