| Classification | Cactaceae: Mammillaria |
| Classification 1 | Cactaceae: Coryphantha |
| Classification 2 | Cactaceae: Mammillaria |
| Harvard University Herbaria Barcode(s) | 00063145 |
| Type Status | Isolectotype |
| Collector | C. Wright |
| Collector number | 226 bis |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Val Verde County |
| Locality | Western Texas to El Paso, New Mexico [San Pedro River (Devils River)] |
| Date Collected | 1849-07-** |
| Habitat | [Hills of] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ef629253-c96a-4a5f-abd3-f5965b6c7f9e |
| Harvard University Herbaria Barcode | 00063145 |
| Herbarium | GH |
| Family | Cactaceae |
| Determination | Mammillaria pectinata Engelmann |
| Determined by | A. Gray |
| Determination Remarks | [A. Gray (scripsit)] [is label name] |
| Family | Cactaceae |
| Determination | Mammillaria radians de Candolle |
| Determination Remarks | [is label name] |
| Family | Cactaceae |
| Determination | Coryphantha echinus (Engelmann) Britton & Rose |
| Determined by | A. D. Zimmerman (TEX) |
| Date Determined | 1983 |
| Determination Remarks | [is Current name] |
| Family | Cactaceae |
| Type Status | Isolectotype |
| Isolectotype of | Mammillaria pectinata Engelmann |
| Verified by | A. D. Zimmerman (TEX) |
| Date Determined | 1983 |
| Determination Remarks | {LT: MO] |
| Taxon Reference | (for Mammillaria pectinata Engelmann) Proc. Amer. Acad. Arts 1857. 3: 266. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
