| Name | Euphorbia steyermarkii Standley |
| Authorship | Standley |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| GUID | urn:lsid:ipni.org:names:102005-2 |
| Citation | 1944 Publ. Field Mus. Nat. Hist., Bot. Ser. 23: 121 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia steyermarkii Standley |
| Identification made in | [no date] (1), 2001 (1) |