| Classification | Cactaceae: Mammillaria |
| Harvard University Herbaria Barcode(s) | 01875397 |
| Collector | F. A. Barkley |
| Collector number | 14489 |
| Country | Mexico |
| State | Nuevo León |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Nuevo León |
| Locality | 12 miles west of China |
| Date Collected | 1944-02-27 |
| Habitat | growing around the bases of shrubs and protected by the shrubs |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ead7b6f5-1a4b-4ba5-8e58-35779336984e |
| Harvard University Herbaria Barcode | 01875397 |
| Herbarium | GH |
| Family | Cactaceae |
| Determination | Mammillaria heyderi var. hemisphaerica Engelmann |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
