| Name | Hydrogonium |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Pottiaceae |
| Contains | Hydrogonium brotheri (Paris & Renauld) Hilpert Hydrogonium ehrenbergii (Lorentz) A. Jaeger Hydrogonium sp. Hydrogonium taylorii W. A. Weber |
| Name | Hydrogonium |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Pottiaceae |
| Contains | Hydrogonium brotheri (Paris & Renauld) Hilpert Hydrogonium ehrenbergii (Lorentz) A. Jaeger Hydrogonium sp. Hydrogonium taylorii W. A. Weber |