Fragilaria virescens Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Fragilariales family Fragilariaceae genus Fragilaria species Fragilaria virescens Name Homonyms Fragilaria virescens Fragilaria virescens (Grunow) Skabichevskii, 1960 Fragilaria virescens Ralfs, 1843