| Classification | Euphorbiaceae: Euphorbia |
| Harvard University Herbaria Barcode(s) | 00267474 |
| Type Status | Syntype |
| Collector | J. Hale |
| Country | United States of America |
| State | Louisiana |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Louisiana |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/04d46709-ecf6-46ab-97c2-63681b1d738a |
| Harvard University Herbaria Barcode | 00267474 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Determination | Euphorbia arkansana Engelmann & A. Gray |
| Determined by | A. Gray |
| Determination Remarks | [A. Gray (scripsit)] [is label name] |
| Family | Euphorbiaceae |
| Determination | Euphorbia arkansana Engelmann & A. Gray |
| Determined by | J. B. S. Norton |
| Date Determined | 1899-05-20 |
| Determination Remarks | Pencilled on sheet |
| Annotation Text | J.B.S.N. |
| Family | Euphorbiaceae |
| Determination | Euphorbia spathulata Lamarck |
| Determined by | W. T. Kittredge (A/GH) |
| Date Determined | 2008 |
| Determination Remarks | [is Current name] |
| Family | Euphorbiaceae |
| Type Status | Syntype |
| Syntype of | Euphorbia arkansana Engelmann & A. Gray |
| Verified by | W. T. Kittredge (A/GH) |
| Date Determined | 2008 |
| Taxon Reference | (for Euphorbia arkansana Engelmann & A. Gray) Boston J. Nat. Hist. 1845. 5: 261. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [mounted with non-type specimen of Hayden s.n. (barcode 267473)] |
