Nostoc sphaericum Vaucher ex Bornet & Flahault, 1886 Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Nostocales family Nostocaceae genus Nostoc species Nostoc sphaericum Name Homonyms Nostoc sphaericum Nostoc sphaericum Vaucher ex Bornet & Flahault, 1886