| Literature: | | |
| Gibbs Russell, G.E. (1977) Keys to Vascular Aquatic Plants in Rhodesia Kirkia 10(2) 411-502 | | |
| Obermeyer, A.A. (1966) Hydrocharitaceae Flora of Southern Africa 1 | | |
| Simpson, D.S. (1989) Hydrocharitaceae Flora of Tropical East Africa | | |
| Symoens, J.J. (2009) Hydrocharitaceae Flora Zambesiaca 12(2) | | |
| | | |
| Names | FZ Divisions |
| | | |
| HYDRILLA Rich. | | |
| Hydrilla verticillata (L.f.) Royle | N |
| | | |
| BLYXA Thouars | | |
| Blyxa hexandra Cook & Lüönd | N |
| Blyxa radicans Ridl | B,N,W |
| | | |
| LIMNOBIUM Rich. | | |
| *Limnobium laevigatum (Humb. & Bonpl. ex Willd.) Heine | |
| Hydromystria laevigata (Humb. & Bonpl. ex Willd.) Díaz.-Mir. & Philcox | | |
| Salvinia laevigata Humb. & Bonpl. ex Willd. | | |
| | | |
| ELODEA Michx. | | |
| Elodea canadensis Michx. | |
| | | |
| 88.000 LAGAROSIPHON Harv. | | |
| Lagarosiphon cordofanus Casp. | N,C,E,S |
| Lagarosiphon crispus Rendle | | |
| Lagarosiphon ilicifolius Oberm. | B,N,S |
| Hydrilla verticillata sensu Gibbs | | |
| Lagarosiphon muscoides Harv. var. major sensu Schinz | | |
| Lagarosiphon muscoides Harv. | |
| | | |
| 89.000 VALLISNERIA L. | | |
| Vallisneria spiralis L. | N,C,S |
| Vallisneria aethiopica Fenzl | | |
| | | |
| 95.000 OTTELIA Pers. | | |
| Ottelia cylindrica (T.C.E. Fr.) Dandy | N |
| Ottelia exserta (Ridl.) Dandy | C,E |
| Boottia exserta Ridl. | | |
| Boottia macrantha C.H. Wright | | |
| Boottia mossambicensis Peter | | |
| Ottelia fischeri (Gürke) Dandy | C |
| Boottia fischeri Gürke | | |
| Ottelia kunenensis (Gürke) Dandy | B,C,S |
| Ottelia lisowskii Symoens | W |
| Ottelia luapulana Symoens | N |
| Ottelia muricata (C.H. Wright) Dandy | B,N,S |
| Boottia aschersoniana Gürke | | |
| Boottia muricata C.H. Wright | | |
| Ottelia ulvifolia (Planch.) Walp. | B,N,W,E,S |
| Damasonium ulvifolium Planch. | | |
| Ottelia lancifolia A. Rich. | | |
| Ottelia latifolia De Wild. | | |
| Ottelia plantaginea Ridl. | | |
| Ottelia verdickii Gürke | N,C |