| Name | Euphorbia capillaris Gagnepain |
| Authorship | Gagnepain |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| GUID | urn:lsid:ipni.org:names:345932-1 |
| Citation | 1921 Bull. Soc. Bot. France 68: 298 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia capillaris Gagnepain |
| Identification made in | [no date] (1), 1999 (1) |