| Name | Euphorbia alta Norton |
| Authorship | Norton |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| GUID | urn:lsid:ipni.org:names:101270-2 |
| Citation | 1899 N. Amer. Euphorbia 24 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia alta Norton |
| Identification made in | [no date] (1), 1899 (1) |