Defining Characteristics
- Colony forming? No
- Filamentous? Yes
- Thick, isopolar filaments
- Often forms mats
- Dispersal form is solitary
- Pronounced sheath
- Cell width varies from approximatley 6 µm-60 µm
- Aerotopes: Not common
- Heterocysts and akinetes absent
- Could be confused with: Oscillatoria, Scytonema
