| Classification | Euphorbiaceae: Euphorbia |
| Classification 1 | Euphorbiaceae: Chamaesyce |
| Classification 2 | Euphorbiaceae: Euphorbia |
| Harvard University Herbaria Barcode(s) | 00267453 |
| Type Status | Isosyntype |
| Collector | G. Thurber |
| Collector number | 41 |
| Country | Mexico |
| State | Sonora |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora |
| Locality | [data not captured] |
| Date Collected | 1851-09-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c6cbfb75-512f-42c7-8dbb-0803da79a861 |
| Harvard University Herbaria Barcode | 00267453 |
| 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 | 1937 |
| Family | Euphorbiaceae |
| Determination | Chamaesyce hirta (Linnaeus) Millspaugh |
| Determination Remarks | [is Current name] |
| Family | Euphorbiaceae |
| Type Status | Isosyntype |
| Isosyntype of | Euphorbia piluliferus var. discolor Engelmann |
| Verified by | W. T. Kittredge (GH) |
| Date Determined | 2008 |
| Taxon Reference | (for Euphorbia piluliferus var. discolor Engelmann) Rep. U.S. Mex. Bound., Bot. 1859. 188. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
