| Classification | Cactaceae: Mammillaria |
| Harvard University Herbaria Barcode(s) | 01875382 |
| Collector | H. E. Moore, Jr. & C. E. Wood, Jr. |
| Collector number | 3813 |
| Country | Mexico |
| State | Hidalgo |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Hidalgo: Jacala |
| Locality | Puerto de la Zorra, near km. 284 on highway northeast of Jacala |
| Date Collected | 1948-07-08 |
| Verbatim Elevation | ca. 5000' |
| Habitat | Dry, rocky, pine-cedar-oak woods on thin soil over calcareous rock and with huge exposed lime boulders |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/af33f200-a70e-4c8c-b616-bb0cbfae0bd3 |
| Harvard University Herbaria Barcode | 01875382 |
| Herbarium | A |
| Family | Cactaceae |
| Determination | Mammillaria compressa de Candolle |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
