| Classification | Euphorbiaceae: Euphorbia |
| Classification 1 | Euphorbiaceae: Chamaesyce |
| Harvard University Herbaria Barcode(s) | 00267451 |
| Type Status | Isolectotype |
| Collector | C. Wright |
| Collector number | 1842 |
| 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. [on the Sonoita near Deserted Rancho] |
| Date Collected | 1851-09-16 |
| Habitat | [Pebbly bed of branches] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ba79f41c-025b-4d3c-b76c-b8608352ead5 |
| Harvard University Herbaria Barcode | 00267451 |
| Herbarium | GH |
| Previous ownership | Ex Herb. John A. Lowell; The Boston Society of Natural History October 2, 1941 |
| Family | Euphorbiaceae |
| Type Status | Isolectotype |
| Isolectotype of | Euphorbia piluliferus var. discolor Engelmann |
| Verified by | W. T. Kittredge (A/GH) |
| Date Determined | 2008 |
| Determination Remarks | [LT: MO] |
| Taxon Reference | (for Euphorbia piluliferus var. discolor Engelmann) Rep. U.S. Mex. Bound., Bot. 1859. 188. |
| Family | Euphorbiaceae |
| Determination | Chamaesyce hirta (Linnaeus) Millspaugh |
| Determined by | W. T. Kittredge (A/GH) |
| Date Determined | 2008 |
| Determination Remarks | [current name] |
| Family | Euphorbiaceae |
| Determination | Euphorbia hypericifolia Linnaeus |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |