| Name | Ephedra pedunculata Engelmann ex S. Watson |
| Authorship | Engelmann ex S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ephedra Linnaeus |
| GUID | urn:lsid:ipni.org:names:383441-1 |
| Citation | 1883 Proc. Amer. Acad. Arts 18: 157 |
| Holdings | 24 Specimens held in the Harvard University Herbaria identified as Ephedra pedunculata Engelmann ex S. Watson |
| Identification made in | [no date] (6), 1922 (5), 1965 (9), 1977 (1), 1979 (1), 2002 (2) |