| Name | Euphorbia polyphylla Engelmann |
| Authorship | Engelmann |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| Citation | 1892 Contr. U.S. Natl. Herb. 1: 215 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Euphorbia polyphylla Engelmann |
| Identification made in | [no date] (4) |
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