Nostoc humifusum Carmich. ex Bornet & Flahault Dataset Nortaxa (Artsnavnebasen) Rank SPECIES Classification kingdom Bacteria phylum Cyanobacteria class Cyanophyceae order Nostocales family Nostocaceae genus Nostoc species Nostoc humifusum Name Homonyms Nostoc humifusum Carmich. ex Bornet & Flahault