Cocconeis maxima var. maxima Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Achnanthales family Cocconeidaceae genus Cocconeis species Cocconeis maxima Name Homonyms Cocconeis maxima f. maxima Cocconeis maxima var. maxima Cocconeis maxima f. maxima