| Name | Euphorbia helwigii Urban & Ekman |
| Authorship | Urban & Ekman |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| Citation | 1929 Ark. Bot. 22A(8): 65 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia helwigii Urban & Ekman |
| Identification made in | [no date] (1), 1974 (1) |
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