Calothrix is a genus of cyanobacteria. They are generally found in freshwater.[2]
References
^"Calothrix". AlgaeBase. Retrieved 14 April 2018.
^Rippka R, Castenholz RW, Herdman M (2015). "Form-Calothrix". In Whitman WB (ed.). Bergey's Manual of Systematics of Archaea and Bacteria. doi:10.1002/9781118960608.gbm00462.