| Name | Petrogenia repens I. M. Johnston | 
| Authorship | I. M. Johnston | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Petrogenia | 
| GUID | urn:lsid:ipni.org:names:270834-1 | 
| Citation | 1941 J. Arnold Arbor. 22: 116 | 
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Petrogenia repens I. M. Johnston | 
| Identification made in | [no date] (1), 2023 (6) | 
