| Classification | Asclepiadaceae: Cynanchum | 
| Harvard University Herbaria Barcode(s) | 01083128 | 
| Collector | C. Wright | 
| Collector number | Field #754 | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Val Verde County | 
| Locality | bottoms of Devils River (and at Eagles Pass, 1848) | 
| Date Collected | 1849-07-28 | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/afce30a7-e5de-45d3-886b-0490b152416b | 
| Harvard University Herbaria Barcode | 01083128 | 
| Herbarium | GH | 
| Previous ownership | Ex Herb. John A. Lowell | 
| Family | Asclepiadaceae | 
| Determination | Cynanchum unifarium (Scheele) Woodson | 
| Determined by | Drapalik, Donald Joseph | 
| Date Determined | 1874 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |