| Name | Euphorbia refugia Croizat |
| Authorship | Croizat |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| Citation | 1946 J. Arnold Arbor. 27: 290 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Euphorbia refugia Croizat |
| Identification made in | [no date] (2), 1945 (1) |