| Classification | Rhamnaceae: Ziziphus | 
| Harvard University Herbaria Barcode(s) | 01971126 | 
| Collector | A. Nelson & R. A. Nelson | 
| Collector number | 5061 | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas | 
| Locality | opposite the mouth of the St. Elena Canyon of the Rio Grande | 
| Date Collected | 1942-04-02 | 
| Habitat | Sandy washes | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bf5566bc-06e9-4c32-9929-c7564af19e01 | 
| Harvard University Herbaria Barcode | 01971126 | 
| Herbarium | GH | 
| Previous ownership | [ex] The Rocky Mountain Herbarium, University of Wyoming, Laramie | 
| Family | Rhamnaceae | 
| Determination | Ziziphus obtusifolia (Hooker ex Torrey & A. Gray) A. Gray | 
| Determined by | Johnston, Marshall Conring | 
| Date Determined | 1961-01-22 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |