Nostoc caeruleum Lyngbye ex Bornet & Flahault, 1886 Dataset TAXREF Rank SPECIES Classification kingdom Bacteria phylum Cyanobacteria class Cyanophyceae order Nostocales family Nostocaceae genus Nostoc species Nostoc caeruleum Name Homonyms Nostoc caeruleum Lyngbye ex Bornet & Flahault, 1886