Diatoma vulgare var. brevis Grunow Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Fragilariales family Fragilariaceae genus Diatoma species Diatoma vulgare Name Homonyms Diatoma vulgare f. brevis (Grunow) Skabichevskii, 1960 Diatoma vulgare f. brevis (Grunow) Kurz, 1922