| Classification | Cactaceae: Echinocactus |
| Harvard University Herbaria Barcode(s) | 00061997 |
| Type Status | Isosyntype |
| Collector | C. Wright |
| Collector number | J |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Pecos County |
| Locality | N. Mex. [valley of the Pecos] |
| Date Collected | 1851-06-03 |
| Habitat | [Stony hills] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f5be35f7-28f5-4bcf-8e39-b7d526397f34 |
| Harvard University Herbaria Barcode | 00061997 |
| Herbarium | GH |
| Family | Cactaceae |
| Type Status | Isosyntype |
| Isosyntype of | Echinocactus horizonthalonius var. centrispinus Engelmann |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Taxon Reference | (for Echinocactus horizonthalonius var. centrispinus Engelmann) Proc. Amer. Acad. Arts 1856. 3: 276. |
| Family | Cactaceae |
| Determination | Echinocactus horizonthalonius var. horizonthalonius |
| Determined by | W. T. Kittredge |
| Date Determined | 2008 |
| Determination Remarks | [current name] |
| Annotation Text | fide L. d. Benson, Cacti U. S. & Canada 951. 1982 |
| Family | Cactaceae |
| Determination | Echinocactus horizonthalonius var. centrispinus Engelmann |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [mounted with Wright field #513(?), 267706] |