| Classification | Ephedraceae: Ephedra |
| Harvard University Herbaria Barcode(s) | 00933754 |
| Collector | S. D. McKelvey |
| Collector number | 1997 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Brewster County |
| Locality | about 5 miles west of Alpine |
| Date Collected | 1931-04-25 |
| Container | Plants of Texas |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d23462e2-52fe-46ad-a7fa-5fbb39cc7ab2 |
| Harvard University Herbaria Barcode | 00933754 |
| Herbarium | A |
| Family | Ephedraceae |
| Determination | Ephedra trifurca Torrey ex S. Watson |
| Determined by | T. Wendt |
| Date Determined | 1979 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |