Plectonema nostocorum Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Leptolyngbyales family Leptolyngbyaceae genus Leptolyngbya species Leptolyngbya nostocorum Name Homonyms Plectonema nostocorum Plectonema nostocorum Bornet ex Gomont, 1892