Neidium alpinum Pfitzer, 1871 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Ochrophyta class Bacillariophyceae order Naviculales family Neidiaceae genus Neidium species Neidium alpinum Name Homonyms Neidium alpinum Pfitzer, 1871 Neidium alpinum Hustedt, 1943