| Name | Euphorbia platysperma Engelmann ex S. Watson |
| Authorship | Engelmann ex S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| GUID | urn:lsid:ipni.org:names:347816-1 |
| Citation | 1880 Bot. California 2: 482 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Euphorbia platysperma Engelmann ex S. Watson |
| Identification made in | [no date] (4), 1937 (2) |