Phormidium

Phormidium is a genus of cyanobacteria in the family Oscillatoriaceae.

As a result of recent genetic analyses, several new genera were erected from this genus, e.g. Potamolinea.

Species
83, including
 * Phormidium ambiguum
 * Phormidium allorgei
 * Phormidium aerugineo-caeruleum
 * Phormidium lucidum
 * Phormidium subfuscum

Moved:
 * Phormidium africanum → Leptolyngbya africana
 * Phormidium formosum → Kamptonema formosum