Nostoc caeruleum (Lyngb.) Bornet & Flahault Dataset United Kingdom Species Inventory (UKSI) Rank SPECIES Classification phylum Cyanobacteria class Cyanophyceae order Nostocales family Nostocaceae genus Nostoc species Nostoc caeruleum Name Synonyms Nostoc coeruleum (Lyngb.) Bornet & Flahault Homonyms Nostoc caeruleum (Lyngb.) Bornet & Flahault