Leptolyngbya nigrescens Komarek 2007 Dataset NCBI Taxonomy Classification phylum Cyanobacteriota class Cyanophyceae order Leptolyngbyales family Leptolyngbyaceae genus Phormidesmis species Phormidesmis nigrescens Name Homonyms Leptolyngbya nigrescens Leptolyngbya nigrescens Komarek 2007