| Classification | Ephedraceae: Ephedra |
| Barcode(s) | 00356646 |
| Collector | P. A. Munz |
| Collector number | 15818 |
| Country | United States of America |
| State | California |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: California: San Diego County |
| Locality | upper Mason Valley, near mouth of Oriflamme Canyon, eastern San Diego County |
| Date Collected | 1940-01-30 |
| Verbatim Elevation | 2700 ft. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/40b96ac4-6111-435d-8b44-7cc4164a5896 |
| Harvard University Herbaria Barcode | 00356646 |
| Herbarium | GH |
| Family | Ephedraceae |
| Determination | Ephedra trifurca Torrey ex S. Watson |
| Determination Remarks | [current name] |
| Family | Ephedraceae |
| Determination | Ephedra trifurca Torrey ex S. Watson |
| Determination Remarks | [filed under] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |