| Classification | Cactaceae: Opuntia | 
| Barcode(s) | 01875898 | 
| Collector | S. D. McKelvey | 
| Collector number | 720 | 
| Country | United States of America | 
| State | Arizona | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona | 
| Locality | Foothills of Four Peaks in Mazatzal Range, not far from Roosevelt dam | 
| Date Collected | 1929-02-16 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e631c514-4413-4cd2-9ea6-bfd7dab76efb | 
| Harvard University Herbaria Barcode | 01875898 | 
| Herbarium | GH | 
| Family | Cactaceae | 
| Determination |  Opuntia phaeacantha var. discata (Griffiths) L. D. Benson & Walk. | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |