Fragilaria construens Ehrenb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Fragilariales family Fragilariaceae genus Fragilaria species Fragilaria construens Name Homonyms Fragilaria construens (Ehrenberg) Grunow, 1862 Fragilaria construens Ehrenb.