| Classification | Euphorbiaceae: Euphorbia |
| Classification 1 | Euphorbiaceae: Chamaesyce |
| Classification 2 | Euphorbiaceae: Euphorbia |
| Harvard University Herbaria Barcode(s) | 00047723 |
| 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/cf61ab5d-2c49-488e-b7bf-3c3b2b0598d1 |
| Harvard University Herbaria Barcode | 00047723 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Determination | Euphorbia piluliferus var. discolor Engelmann |
| Determination Remarks | [is label name] |
| Family | Euphorbiaceae |
| Determination | Euphorbia hirta Linnaeus |
| Determined by | L. C. Wheeler |
| Date Determined | 1939 |
| Annotation Text | var. typica Isotype of E. pilulifera ß discolor Engelm. |
| Family | Euphorbiaceae |
| Determination | Chamaesyce hirta (Linnaeus) Millspaugh |
| Determined by | W. T. Kittredge (A/GH) |
| Date Determined | 2008 |
| Determination Remarks | [is Current name] |
| 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. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
