| Classification | Rhamnaceae: Ziziphus | 
| Harvard University Herbaria Barcode(s) | 01971230 | 
| Collector | J. W. Toumey | 
| Country | United States of America | 
| State | Arizona | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona: Pima County: Tucson | 
| Locality | [no additional data] | 
| Date Collected | 1894-06-23 | 
| Container | Flora of Arizona | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/26e7bf13-c104-427c-8efe-466c60110a55 | 
| Harvard University Herbaria Barcode | 01971230 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium of Yale University James W. Toumey Collection | 
| Family | Rhamnaceae | 
| Determination | Ziziphus obtusifolia var. obtusifolia | 
| Determined by | Johnston, Marshall Conring | 
| Date Determined | 1961-01-22 | 
| Determination Remarks | [current name] | 
| Family | Rhamnaceae | 
| Determination | Ziziphus obtusifolia var. canescens (A. Gray) M. C. Johnston | 
| Determination Remarks | [filed under] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |