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