Achnanthidium lanceolatum W.Sm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Achnanthales family Achnanthidiaceae genus Achnanthidium species Achnanthidium lanceolatum Name Homonyms Achnanthidium lanceolatum Brébisson ex Kützing, 1846 Achnanthidium lanceolatum Bréb.