| Classification | Ephedraceae: Ephedra |
| Barcode(s) | 00933430 |
| Collector | H. von Schrenk |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas |
| Locality | near Negley ranch home 14 mi. south of Marathon |
| Date Collected | 1937-08-14 |
| Habitat | On top of hill |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0a38e76f-b7a6-4230-821d-c7676e52a8be |
| Harvard University Herbaria Barcode | 00933430 |
| Herbarium | A |
| Previous ownership | From Herbarium Missouri Botanical Garden |
| Family | Ephedraceae |
| Determination | Ephedra aspera Engelmann ex S. Watson |
| Determined by | Correll, Donovan Stewart |
| Date Determined | 1965 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |