| Name | Euphorbia pteroneura var. macdougalliana Croizat |
| Authorship | Croizat |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia pteroneura A. Berger |
| GUID | urn:lsid:ipni.org:names:101926-2 |
| Citation | 1943 Desert Pl. Life 15: 23 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Euphorbia pteroneura var. macdougalliana Croizat |
| Identification made in | [no date] (1), 1992 (1), 2000 (1) |
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