| Classification | Ephedraceae: Ephedra | 
| Harvard University Herbaria Barcode(s) | 00933823 | 
| Collector | Ced. L. Porter | 
| Collector number | 3881 | 
| Country | United States of America | 
| State | Colorado | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Colorado: Moffat County | 
| Locality | at the Mantle Ranch at foot of Hell's Canyon, Yampa River | 
| Date Collected | 1946-06-21 | 
| Habitat | In sagebrush on the rimrock | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/283a61f2-388c-4c90-b9e4-8bf3a2529a6f | 
| Harvard University Herbaria Barcode | 00933823 | 
| Herbarium | GH | 
| Previous ownership | [ex] The Rocky Mountain Herbarium. University of Wyoming, Laramie. | 
| Family | Ephedraceae | 
| Determination | Ephedra viridis Coville | 
| Determined by | Porter, Cedric Lambert | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |