| Classification | Cactaceae: Mammillaria |
| Classification 1 | Cactaceae: Coryphantha |
| Classification 2 | Cactaceae: Mammillaria |
| Harvard University Herbaria Barcode(s) | 00063146 |
| Type Status | Isolectotype |
| Collector | C. Wright |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Jeff Davis County |
| Locality | N. Mex., West of the Limpio |
| Date Collected | 1852-06-25 |
| Habitat | Prairies |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b530541b-5c84-44de-a348-e5abc5f11d80 |
| Harvard University Herbaria Barcode | 00063146 |
| Herbarium | GH |
| Family | Cactaceae |
| Determination | Mammillaria scheeri var. valida Engelmann |
| Determined by | A. Gray |
| Determination Remarks | [A. Gray (scripsit)] [is label name] |
| Family | Cactaceae |
| Determination | Coryphantha scheeri var. scheeri |
| Determined by | A. D. Zimmerman (TEX) |
| Date Determined | 1983 |
| Determination Remarks | [is Current name] |
| Family | Cactaceae |
| Type Status | Isolectotype |
| Isolectotype of | Mammillaria scheeri var. valida Engelmann |
| Verified by | A. D. Zimmerman (TEX) |
| Date Determined | 1983 |
| Determination Remarks | [LT: MO] |
| Taxon Reference | (for Mammillaria scheeri var. valida Engelmann) Proc. Amer. Acad. Arts 1857. 3: 256. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [mounted with Isosyntype of Mammillaria scheeri var. valida Engelm., C. Wright field #416, 63147] |
