Defining Characteristics
- Colony forming? Capable
- Filaments are solitary or in clusters, but do not form mats
- Filaments are isopolar (not tapered)
- Cells are spherical or barrel shaped
- Aerotopes present
- Often express heterocysts
- Sometimes produce akinetes
- Often adjacent to heterocysts
- Could be confused with: Anabaena, Trichromus
Singular filaments
Cluster of filaments
