Defining Characteristics:

  • Colony forming? No
  • Filamentous? Yes
  • Solitary and isopolar filaments
  • Cells are always longer than they are wide
  • Alternating granular morphology
  • Aerotopes, heterocysts and akinetes absent
  • Could be confused with: Pseudanabaena

Solitary filaments

Jaaginema - Solitary filaments

Jaaginema - Solitary filaments