Navicula mutica var. intermedia Hust., 1966 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Naviculaceae genus Navicula species Navicula lagerheimii Name Homonyms Navicula mutica f. intermedia (Hustedt) Hustedt, 1964 Navicula mutica var. intermedia Hust., 1966