| Classification | Euphorbiaceae: Euphorbia |
| Classification 1 | Euphorbiaceae: Chamaesyce |
| Harvard University Herbaria Barcode(s) | 00021478 |
| Type Status | Isolectotype |
| Collector | Josiah Gregg |
| Country | Mexico |
| State | Nuevo León |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Nuevo León: Monterrey |
| Locality | "Bishops Hill" (ramparts) near Monterey |
| Date Collected | 1847-02-05 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/21110fb2-e872-4f50-8306-222aedbc1888 |
| Harvard University Herbaria Barcode | 00021478 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Type Status | Isolectotype |
| Isolectotype of | Euphorbia cinerascens Engelmann |
| Verified by | W.T. Kittredge (GH) |
| Date Determined | 2008 |
| Determination Remarks | (LT: MO) |
| Taxon Reference | (for Euphorbia cinerascens Engelmann) Rep. U.S. Mex. Bound., Bot. 1858. 186. |
| Family | Euphorbiaceae |
| Type Status | Isolectotype |
| Isolectotype of | Euphorbia cinerascens Engelmann |
| Verified by | V. W. Steinmann |
| Date Determined | 1994 |
| Determination Remarks | [LT: MO] |
| Taxon Reference | (for Euphorbia cinerascens Engelmann) Rep. U.S. Mex. Bound., Bot. 1858. 186. |
| Family | Euphorbiaceae |
| Determination | Chamaesyce cinerascens (Engelmann) Small |
| Determined by | W.T. Kittredge (GH) |
| Date Determined | 2008 |
| Determination Remarks | [current name] |
| Family | Euphorbiaceae |
| Determination | Euphorbia cinerascens Engelmann |
| Determined by | L. C. Wheeler |
| Date Determined | 1936 |
| Annotation Text | Isotype. The type at Missouri Bot. Gard. bears Gregg's number 215, L. C. Wheeler, 1939 |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
