| Classification | Ephedraceae: Ephedra |
| Harvard University Herbaria Barcode(s) | 00933363 |
| Collector | M. Hopkins |
| Collector number | 3027 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Jackson County |
| Locality | Creta, 6 mi. s. w. of Oulustee. |
| Date Collected | 1938-04-23 |
| Habitat | Top of xeric plateau in limestone outcrops. |
| Container | Plants of Oklahoma |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/be9dff86-170e-4580-9fcd-bb2b78ed7ba1 |
| Harvard University Herbaria Barcode | 00933363 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of the University of Oklahoma |
| Family | Ephedraceae |
| Determination | Ephedra antisyphilitica Berlandier ex C. A. Meyer |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
