| Classification | Euphorbiaceae: Euphorbia |
| Classification 1 | Euphorbiaceae: Chamaesyce |
| Harvard University Herbaria Barcode(s) | 00267424 |
| Type Status | Isotype |
| Collector | A. C. V. Schott |
| Country | Mexico |
| State | Sonora |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora |
| Locality | [Sierra Yanos] |
| Date Collected | 1855-07-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/33ff2a24-2c8f-4389-830c-ce54ecda0549 |
| Harvard University Herbaria Barcode | 00267424 |
| Herbarium | GH |
| Previous ownership | ex herb. Torrey (NY) |
| Family | Euphorbiaceae |
| Type Status | Isotype |
| Isotype of | Euphorbia arizonica Engelmann |
| Verified by | W. T. Kittredge (GH) |
| Date Determined | 2008 |
| Family | Euphorbiaceae |
| Determination | Euphorbia arizonica Engelmann |
| Determined by | L. C. Wheeler |
| Date Determined | 1934 |
| Determination Remarks | [current name] |
| Family | Euphorbiaceae |
| Determination | Chamaesyce arizonica (Engelmann) Arthur |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |