| Classification | Cactaceae: Mammillaria |
| Classification 1 | Cactaceae |
| Harvard University Herbaria Barcode(s) | 00435024 |
| Collector | Edw. Palmer |
| Collector number | 540 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila |
| Locality | San Lorenzo Cañon |
| Date Collected | 1905-04-16 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ea45d6a6-9ad3-4f66-b83c-9fde0da86060 |
| Harvard University Herbaria Barcode | 00435024 |
| Herbarium | GH |
| Family | Cactaceae |
| Determination | Mammillaria chionocephala J. A. Purpus |
| Determined by | Scheinvar, Leia |
| Date Determined | 1976 |
| Determination Remarks | [filed under] [current name] |
| Family | Cactaceae |
| Determination | Cactaceae |
| Determination Remarks | [label name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
