| Classification | Cactaceae: Echinocereus |
| Harvard University Herbaria Barcode(s) | 01678220 |
| Collector | S. D. McKelvey |
| Collector number | 1566 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Locality | Bet. Vail & Sonoita on road from Tucson to Notales |
| Date Collected | 1930-03-18 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/81246985-97a4-4101-a3e1-919e3f9c5ff3 |
| Harvard University Herbaria Barcode | 01678220 |
| Herbarium | GH |
| Family | Cactaceae |
| Determination | Echinocereus rigidissimus (Engelmann) Rose |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Bag |
| Preparation Method | Dried |
