| Classification | Euphorbiaceae: Euphorbia | 
| Barcode(s) | 00047727 | 
| Type Status | Isotype | 
| Collector | R. C. Rollins & T. S. Chambers | 
| Collector number | 2770 | 
| Country | United States of America | 
| State | Texas | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Brewster County | 
| Locality | Near the Rio Grande River, mouth of Santa Helena canyon, Big Bend State Park, alt. 2100 feet | 
| Date Collected | 1938-09-06 | 
| Elevation | 640 m | 
| Habitat | Dry hillside | 
| Container | Plants of Texas | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fab3e4be-2fb1-45d7-ba87-bb57f1bb4238 | 
| Harvard University Herbaria Barcode | 00047727 | 
| Herbarium | GH | 
| Family | Euphorbiaceae | 
| Type Status |  Isotype | 
| Isotype of |  Euphorbia polycarpa var. simulans L. C. Wheeler | 
| Taxon Reference | (for  Euphorbia polycarpa var. simulans L. C. Wheeler) Rhodora 1941. 43: 192. | 
| Family | Euphorbiaceae | 
| Determination |  Euphorbia polycarpa var. simulans L. C. Wheeler | 
| Determination Remarks |  [label name] [current name] | 
| Annotation Text | var. nov.; Isotype | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |