''Phormidium'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of cyanobacteria in the family Oscillatoriaceae.

Species

83, including; '' Phormidium aerugineo-caeruleum''

References

Cyanobacteria genera {{Cyanobacteria-stub