Plectonema norvegicum Gomont, 1899 Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Leptolyngbyales family Leptolyngbyaceae genus Leptolyngbya species Leptolyngbya norvegica Name Homonyms Plectonema norvegicum Plectonema norvegicum Gomont, 1899