| Author | Title | Journal/publisher | Literature ref. no. |
| Jacobsen, W.B.G. (1967) | The influence of copper content of the soil on trees and shrubs of Molly South Hill, Mangula | Kirkia 6(1) 63-84 | 1144 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 3 |
| Ocimum obovatum subsp. obovatum var. obovatum |
| Parinari curatellifolia |
| Securidaca longepedunculata |