| Name | Ephedra peninsularis I. M. Johnston |
| Authorship | I. M. Johnston |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ephedra Linnaeus |
| GUID | urn:lsid:ipni.org:names:383442-1 |
| Citation | 1922 Univ. Calif. Publ. Bot. 7: 437 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ephedra peninsularis I. M. Johnston |
| Identification made in | 2002 (1) |