| Classification | Cactaceae: Mammillaria |
| Harvard University Herbaria Barcode(s) | 01875372 |
| Collector | L. J. Brass |
| Collector number | 14302 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona |
| Locality | Rincon Mts., Tucson-Redington Road |
| Date Collected | 1940-04-06 |
| Verbatim Elevation | 1250 m |
| Habitat | common on southerly slopes in open oak-juniper woodland |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b5b1a947-c9f1-46dc-9935-326777266fa0 |
| Harvard University Herbaria Barcode | 01875372 |
| Herbarium | A |
| Family | Cactaceae |
| Determination | Mammillaria macdougalii Rose |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
