| Name | Ephedra aspera Engelmann ex S. Watson |
| Authorship | Engelmann ex S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ephedra Linnaeus |
| GUID | urn:lsid:ipni.org:names:383362-1 |
| Citation | Proc. Amer. Acad. Arts 18: 157 |
| Holdings | 62 Specimens held in the Harvard University Herbaria identified as Ephedra aspera Engelmann ex S. Watson |
| Identification made in | [no date] (39), 1939 (3), 1965 (11), 1979 (4), 2002 (4), 2020 (1) |
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