| Name | Petrogenia |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Convolvulaceae |
| Contains | Petrogenia repens I. M. Johnston Petrogenia sp. |
| Name | Petrogenia |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Convolvulaceae |
| Contains | Petrogenia repens I. M. Johnston Petrogenia sp. |