| Classification | Cactaceae: Coryphantha |
| Classification 1 | Cactaceae: Mammillaria |
| Harvard University Herbaria Barcode(s) | 00267692 |
| Collector | C. Wright |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Culberson County |
| Locality | N. Mex. [at the (Van Horn) Wells] |
| Date Collected | 1851-06-17 |
| Substrate | [In alluvial soil] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9fb79f7b-6637-4a05-b6f4-0529f39ed72f |
| Harvard University Herbaria Barcode | 00267692 |
| Herbarium | GH |
| Family | Cactaceae |
| Determination | Coryphantha macromeris var. macromeris |
| Determined by | A. D. Zimmerman (TEX) |
| Date Determined | 1983-04-** |
| Determination Remarks | [current name] |
| Family | Cactaceae |
| Determination | Mammillaria macromeris Engelmann |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |