| Classification | Euphorbiaceae: Euphorbia |
| Classification 1 | Euphorbiaceae: Chamaesyce |
| Classification 2 | Euphorbiaceae: Euphorbia |
| Harvard University Herbaria Barcode(s) | 00047746 |
| Type Status | Isotype |
| Collector | C. Wright |
| Collector number | 1832 |
| Country | United States of America |
| State | Arizona |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Arizona: Cochise County |
| Locality | N. Mex. [near the San Pedro] |
| Date Collected | 1851-09-09 |
| Habitat | [Low damp soil] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1d050dd8-480f-499c-9f89-6a98302b5cf7 |
| Harvard University Herbaria Barcode | 00047746 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Determination | Euphorbia trachysperma Engelmann |
| Determination Remarks | [is label name] |
| Family | Euphorbiaceae |
| Determination | Euphorbia trachysperma Engelmann |
| Determined by | L. C. Wheeler |
| Date Determined | 1939 |
| Annotation Text | Isotype |
| Family | Euphorbiaceae |
| Determination | Chamaesyce trachysperma (Engelmann) Millspaugh |
| Determined by | W. T. Kittredge (A/GH) |
| Date Determined | 2008 |
| Determination Remarks | [is Current name] |
| Family | Euphorbiaceae |
| Type Status | Isotype |
| Isotype of | Euphorbia trachysperma Engelmann |
| Verified by | W. T. Kittredge (A/GH) |
| Date Determined | 2008 |
| Determination Remarks | HT: MO |
| Taxon Reference | (for Euphorbia trachysperma Engelmann) Rep. U.S. Mex. Bound., Bot. 1858. 189. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
