| Classification | Cactaceae: Opuntia |
| Harvard University Herbaria Barcode(s) | 00063177 |
| Type Status | Isolectotype |
| Collector | C. Wright |
| Collector number | U |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: El Paso County: El Paso |
| Locality | N. Mex. [below El Paso] |
| Date Collected | 1852-05-19 |
| Habitat | [Sandhills] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9fd92768-74a5-4a56-8c5d-da16e9ac1653 |
| Harvard University Herbaria Barcode | 00063177 |
| Herbarium | GH |
| Previous ownership | ex Herb. John A. Lowell |
| Family | Cactaceae |
| Determination | Opuntia tenuispina Engelmann |
| Determination Remarks | [pencil annotation on sheet] |
| Annotation Text | Isotype of O. tenuispina Engelm. |
| Family | Cactaceae |
| Determination | Opuntia pottsii Salm-Dyck |
| Determined by | W. T. Kittredge |
| Date Determined | 2008 |
| Determination Remarks | [is Current name] |
| Annotation Text | cited by L. D. Benson, Cacti U. S. Canada 926. 1982, as O. macrorhiza var. pottsii (Salm-Dyck) L. D. Benson |
| Family | Cactaceae |
| Type Status | Isolectotype |
| Isolectotype of | Opuntia tenuispina Engelmann |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Determination Remarks | [LT: MO] |
| Taxon Reference | (for Opuntia tenuispina Engelmann) Proc. Amer. Acad. Arts 1856. 3: 294. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
