| Name | Euphorbia deltoidea Engelmann ex Chapman |
| Authorship | Engelmann ex Chapman |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| GUID | urn:lsid:ipni.org:names:346248-1 |
| Citation | 1883 Fl. South. U.S., ed. 2 suppl.: 647 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia deltoidea Engelmann ex Chapman |
| Identification made in | [no date] (1), 1988 (1) |