| Name | Echinocereus enneacanthus Engelmann |
| Authorship | Engelmann |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Echinocereus |
| Contains | Echinocereus enneacanthus var. enneacanthus Echinocereus enneacanthus var. stramineus (Engelmann) L. D. Benson |
| GUID | urn:lsid:ipni.org:names:132350-1 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Echinocereus enneacanthus Engelmann |
| Identification made in | [no date] (7) |