| Classification | Euphorbiaceae: Euphorbia |
| Classification 1 | Euphorbiaceae: Chamaesyce |
| Harvard University Herbaria Barcode(s) | 00047804 |
| Type Status | Isotype |
| Collector | C. Wright |
| Country | Mexico |
| State | Chihuahua |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Chihuahua |
| Locality | N. Mex., [near] Lake Santa Maria |
| Date Collected | 1852-04-20 |
| Habitat | Mountain [sides near the summit] |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1745d778-b1d1-491c-a712-97ef76dc7b01 |
| Harvard University Herbaria Barcode | 00047804 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Type Status | Isotype |
| Isotype of | Euphorbia pycnanthema Engelmann |
| Verified by | W. T. Kittredge (GH) |
| Date Determined | 2008 |
| Taxon Reference | (for Euphorbia pycnanthema Engelmann) Rep. U.S. Mex. Bound., Bot. 1859. 188. |
| Family | Euphorbiaceae |
| Determination | Chamaesyce capitellata (Engelmann) Millspaugh |
| Determined by | W.T. Kittredge (GH) |
| Date Determined | 2008 |
| Determination Remarks | [current name] |
| Family | Euphorbiaceae |
| Determination | Euphorbia capitellata Engelmann |
| Determined by | L. C. Wheeler |
| Date Determined | 1939 |
| Family | Euphorbiaceae |
| Determination | Euphorbia pycnanthema Engelmann |
| Determined by | I. M. Johnston |
| Date Determined | 1923 |
| Annotation Text | Isotype |
| Family | Euphorbiaceae |
| Determination | Euphorbia pycnanthema Engelmann |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [mounted with non-type specimen of Wright s.n., with no data. "not seen by E"[ngelmann] written by Gray on label] |
