Nostoc humifusum Carmichael ex Bornet & Flahault 1888 Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Nostocales family Nostocaceae genus Nostoc species Nostoc humifusum Name Homonyms Nostoc humifusum Nostoc humifusum Carmichael ex Bornet & Flahault 1888