| Author | Title | Journal/publisher | Literature ref. no. | 
| Henderson, L. & Cilliers, C.J. (2002) | Invasive Aquatic Plants | Plant Protection Research Institute Handbook No. 16. Plant Protection Research Institute, Agricultural Research Council, South Africa. | 344 | 
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 2 | 
| Najas horrida | 
| Pontederia crassipes |