Nymphaeales
Family: Cabombaceae [2 genera; 7 species]
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Brasenia holsatica | (Web.) Weberb. | Late Pleistocene | Europe | Extinct | Access |
Family: Hydatellaceae [1 genus1; 13 species]
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
|
Hydatella dioica |
D.A.Cooke (1983 "1981") | - | (rediscovered) | Western Australia, Australia | Invalid (synonym) | Access |
| Hydatella leptogyne | Diels (1904) | Few-flowered hydatella | (rediscovered) | Drummond Nature Reserve, Western Australia, Australia | Invalid (synonym) | Access |
| Trithuria australis | (Diels) D.D.Sokoloff, Remizowa, T.D.Macfarl. & Rudall (2008) | (rediscovered) | Western Australia, Australia | Rediscovered | Access |
1 Genus Hydatella is no longer considered valid.
Family: Nymphaeaceae [5 genera; 101 species]
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Nymphaea stuhlmannii | (Engl.) Schweinf. & Gilg (1903) | - | (rediscovered) | Tanzania | Rediscovered | Access |
| Nymphaea thermarum | Eb.Fisch. (1988) | Pygmy Rwandan water lily | (rediscovered) | southwest Rwanda | Rediscovered in the Wild | Access |
Statistics
| Conservation status | Number of taxa (in percentage) |
| Extinct | 1 (20%) |
| Missing | 0 |
| Extinct in the Wild | 0 |
| Possibly Extinct in the Wild | 0 |
| Globally Rediscovered | 1 (20%) |
| Rediscovered in the Wild | 1 (20%) |
| Reintroduced | 0 |
| Hypothetical | 0 |
| Invalid | 2 (40%) |
| Erroneously listed | 0 |
| Uncertain status | 0 |
| Total | 5 |