| Classification | Cactaceae: Mammillaria |
| Classification 1 | Cactaceae: Coryphantha |
| Harvard University Herbaria Barcode(s) | 00063142 |
| Type Status | Isolectotype |
| Collector | C. Wright |
| Collector number | 225 |
| 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 [Devils River] |
| Date Collected | 1849-06-28 |
| Habitat | [Hills of] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/51851a45-dec4-4ce8-95cf-135b4062e158 |
| Harvard University Herbaria Barcode | 00063142 |
| Herbarium | GH |
| Family | Cactaceae |
| Type Status | Isolectotype |
| Isolectotype of | Mammillaria echinus Engelmann |
| Verified by | A. D. Zimmerman (TEX) |
| Date Determined | 1983 |
| Determination Remarks | [LT: MO] |
| Taxon Reference | (for Mammillaria echinus Engelmann) Proc. Amer. Acad. Arts 1857. 3: 267. |
| Family | Cactaceae |
| Determination | Coryphantha echinus (Engelmann) Britton & Rose |
| Determined by | A. D. Zimmerman (TEX) |
| Date Determined | 1983 |
| Determination Remarks | [current name] |
| Family | Cactaceae |
| Determination | Mammillaria scolymoides Scheidweiler |
| Determined by | A. Gray |
| Determination Remarks | [A. Gray (scripsit)] [label name] |
| Family | Cactaceae |
| Determination | Mammillaria vivipara (Nuttall) Haworth |
| Determination Remarks | [label name] |
| Annotation Text | probably a form of Mam. vivipara |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |