| Classification | Ephedraceae: Ephedra |
| Harvard University Herbaria Barcode(s) | 00933736 |
| Collector | S. M. Tracy & F. S. Earle |
| Collector number | 66 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas |
| Locality | Barstow |
| Date Collected | 1902-04-18 |
| Container | Plants of Western Texas |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/187f0198-699a-43f9-83ac-98f33c2ec69c |
| Harvard University Herbaria Barcode | 00933736 |
| Herbarium | A |
| Previous ownership | Distributed by S. M. Tracy and F. S. Earle [ex] Smithsonian Institution From The United States National Herbarium [ex] Biltmore Herbarium North Carolina |
| Family | Ephedraceae |
| Determination | Ephedra trifurca Torrey ex S. Watson |
| Determined by | Correll, Donovan Stewart |
| Date Determined | 1965 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
