| Name | Euphorbia ariensis var. villicaulis Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia ariensis Kunth |
| GUID | urn:lsid:ipni.org:names:101299-2 |
| Citation | 1907 Proc. Amer. Acad. Arts 43: 62 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Euphorbia ariensis var. villicaulis Fernald |
| Identification made in | [no date] (1) |