| Classification | Cactaceae: Mammillaria |
| Harvard University Herbaria Barcode(s) | 01875375 |
| Collector | L. J. Brass |
| Collector number | 14315 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Locality | Precopia Spring, 20 m. E. of Tucson |
| Date Collected | 1940-04-17 |
| Verbatim Elevation | 1300 m |
| Habitat | desert scrub; common on granite hillsides |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6e0a4c02-8879-4132-9550-ed7274877d64 |
| Harvard University Herbaria Barcode | 01875375 |
| Herbarium | GH |
| Family | Cactaceae |
| Determination | Mammillaria microcarpa Engelmann |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
