Nostoc minutissimum Kütz. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Bacteria phylum Cyanobacteria class Cyanobacteriia order Cyanobacteriales family Nostocaceae genus Nostoc species Nostoc minutissimum Name Homonyms Nostoc minutissimum Kütz. Nostoc minutissimum Kütz. ex Bornet & Flahault