| Name | Euphorbia umbellulata Engelmann |
| Authorship | Engelmann |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| Contains | Euphorbia umbellulata var. major Millspaugh |
| GUID | urn:lsid:ipni.org:names:102055-2 |
| Citation | Prodr. [A. P. de Candolle] 15(2): 40 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia umbellulata Engelmann |
| Identification made in | [no date] (2) |