| Name | Euphorbia bicolor Engelmann & A. Gray |
| Authorship | Engelmann & A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia Linnaeus |
| Contains | Euphorbia bicolor var. concolor Engelmann & A. Gray |
| GUID | urn:lsid:ipni.org:names:345779-1 |
| Citation | 1845 Boston J. Nat. Hist. 5: 233 |
| Holdings | 17 Specimens held in the Harvard University Herbaria identified as Euphorbia bicolor Engelmann & A. Gray |
| Identification made in | [no date] (6), 1937 (5), 1939 (2), 2008 (4) |