Diploneis smithii subsp. pumila (Grunow) Hust. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Diploneidaceae genus Diploneis species Diploneis smithi Name Homonyms Diploneis smithii subsp. pumila (Grunow) Hust. Diploneis smithii var. pumila (Grunow) Hustedt, 1937