| Classification | Cactaceae: Mammillaria |
| Classification 1 | Cactaceae: Coryphantha |
| Classification 2 | Cactaceae: Mammillaria |
| Harvard University Herbaria Barcode(s) | 00063147 |
| Type Status | Syntype |
| Collector | C. Wright |
| Collector number | 416 |
| Country | United States of America |
| State | Texas |
| Geography | North America: US and Canada (Region): United States of America: Texas: Hudspeth County |
| Locality | N. Mex., between Rio Grande and Eagle Spring |
| Date Collected | 1852-06-21 |
| Habitat | Prairies |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3ffc3214-26d8-485d-9c7e-3c1b9ef3fbca |
| Harvard University Herbaria Barcode | 00063147 |
| 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 | Syntype |
| Syntype of | Mammillaria scheeri var. valida Engelmann |
| Verified by | A. D. Zimmerman (TEX) |
| Date Determined | 1983 |
| 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 Isolectotype of Mammillaria scheeri var. valida Engelm., C. Wright field #478, 63146] |
