| Classification | Euphorbiaceae: Euphorbia | 
| Barcode(s) | 00063309 | 
| Type Status | Syntype | 
| Collector | C. Wright | 
| Collector number | 1835 | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas | 
| Locality | N. Mex. | 
| Date Collected | 1851 - 1852 | 
| Remarks | [Field #165, 1st coll., "21 May 1851, high cliffs of the San Pedro" Devils River,Val Verde Co., and no field #, "14 July 1852, rocky hills near Vandenburg" Medina Co., Texas, written on annotation label by M. H. Mayfield, 1998] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ee104a5e-e0b3-4682-8a10-4deee0e29439 | 
| Harvard University Herbaria Barcode | 00063309 | 
| Herbarium | GH | 
| Family | Euphorbiaceae | 
| Type Status |  Syntype | 
| Syntype of |  Euphorbia heterophylla var. graminifolia Engelmann | 
| Verified by | M. H. Mayfield (TEX) | 
| Date Determined | 1998 | 
| Determination Remarks | [Isosyntype] | 
| Taxon Reference | (for  Euphorbia heterophylla var. graminifolia Engelmann) Rep. U.S. Mex. Bound., Bot. 1859. 2: 190. | 
| Family | Euphorbiaceae | 
| Determination |  Euphorbia cyathophora Murray | 
| Determined by | M. H. Mayfield (TEX) | 
| Date Determined | 1995 | 
| Determination Remarks |  [current name] | 
| Family | Euphorbiaceae | 
| Determination |  Euphorbia cyathophora Murray | 
| Determination Remarks |  [label name] | 
| Annotation Text | var. | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |