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