| % Fe in plant part | Plant part | Species |
| 0.1100 | Leaves | Acacia nilotica |
| 0.0750 | Leaves | Acacia seyal |
| 0.1450 | Bark | Acacia nilotica |
| 0.0750 | Bark | Acacia seyal |
| 0.0375 | Bark | Acacia senegal |
| 0.1450 | Mature fruits | Acacia nilotica |
| 0.1100 | Immature fruits | Acacia nilotica |