| Classification | Cactaceae: Mammillaria |
| Harvard University Herbaria Barcode(s) | 01678242 |
| Collector | T. C. Plowman & S. Kilham |
| Collector number | AP 54 |
| Country | United States of America |
| State | New Mexico |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Mexico: Sandoval County |
| Locality | Meso north of Armijo Draw, 20 mi. west of Rt. 44 |
| Date Collected | 1966-06-30 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b0aeeadc-a996-453e-a753-15efa0eebd79 |
| Harvard University Herbaria Barcode | 01678242 |
| Herbarium | GH |
| Family | Cactaceae |
| Determination | Mammillaria heyderi Muehlenpfordt |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Bag |
| Preparation Method | Dried |
