| Classification | Cactaceae: Mammillaria |
| Classification 1 | Cactaceae: Cactus |
| Harvard University Herbaria Barcode(s) | 00267689 |
| Collector | C. Wright |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: El Paso County: El Paso |
| Locality | N. Mex. [the Rio Grande near Frontera] |
| Date Collected | 1852-04-02 |
| Habitat | [Stony hills of] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b135c102-35fa-4870-9634-45a8c51aa47b |
| Harvard University Herbaria Barcode | 00267689 |
| Herbarium | GH |
| Family | Cactaceae |
| Determination | Mammillaria heyderi Muehlenpfordt |
| Determination Remarks | [current name] |
| Family | Cactaceae |
| Determination | InQuestion Mammillaria heyderi var. hemisphaerica Engelmann |
| Determination Remarks | [label name] |
| Family | Cactaceae |
| Determination | Cactus heyderi var. hemisphaerica (Engelmann) J. M. Coulter |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [mounted with Wright 226, 267688] |