| Name | Greggia rupestris Engelmann |
| Authorship | Engelmann |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Greggia |
| GUID | urn:lsid:ipni.org:names:725425-1 |
| Citation | 1848 Mem. Tour N. Mexico [Wislizenus] 114 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Greggia rupestris Engelmann |
| Identification made in | [no date] (1) |