| Name | Euphorbia clarionensis Brandegee |
| Authorship | Brandegee |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| GUID | urn:lsid:ipni.org:names:346040-1 |
| Citation | 1899 Erythea 7: 7 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia clarionensis Brandegee |
| Identification made in | [no date] (2) |