1. Botany and Microbiology Dept. College of Science
2. King Saud University
3. Riyadh
4. Kingdom of Saudi Arabia
5. National Institute of Oceanography and Fisheries
6. Research Department of Chemistry
7. Nehru Memorial College (Affiliated to Bharathidasan University)
8. South India
9. Electron Microscope Unit
10. Central Lab.
11. College of Science