| Name | Euphorbia mollis Engelmann |
| Authorship | Engelmann |
| Rank | Species |
| NomenclaturalStatus | NomInvalid |
| Placed in | Euphorbia Linnaeus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia mollis Engelmann |
| Identification made in | [no date] (2) |