| Classification | Euphorbiaceae: Euphorbia | 
| Classification 1 | Euphorbiaceae: Chamaesyce | 
| 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] | 
| Remarks | [Date, locality and habitat from Wright's notes for field #535, 2nd coll.] | 
| 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 |