1. Anagnostidis, K. & J. Komárek, 1985. Modern approach to the classification system of Cyanophytes 1 – introduction. Algological Studies 38–39: 291–302.
2. Anagnostidis, K. & J. Komárek, 1988. Modern approach to the classification system of cyanophytes 3 – Oscillatoriales. Algological Studies 50–53: 327–472.
3. Barker, G. L. A., P. K. Hayes, S. L. O’Mahony, P. Vacharapiyasophon & A. E. Walsby, 1999. A molecular and phenotypic analysis of Nodularia (Cyanobacteria) from the Baltic Sea. Journal of Phycology 35: 931–937.
4. Bornet, E. & C. Flahault, 1886–1888. Révision des Nostocacées hétérocystées. Annales des Sciences Naturelles, Serie 7, Botanique 3: 323–381, 4: 343–373, 5: 51–129, 7: 171–262.
5. Bourrelly, P., 1970. Les algues d’eau douce III. N. Boubée and Cie, Paris: 512 pp.