| Name | Hydromystria |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Hydrocharitaceae |
| Contains | Hydromystria laevigata (Humb. & Bonpl. ex Willd.) Díaz-Mir. & Philcox Hydromystria sinclairii (Benth.) Hauman Hydromystria sp. Hydromystria stolonifera G.Mey. |