| Name | Eucephalus engelmanii (D. C. Eaton) Greene |
| Authorship | (D. C. Eaton) Greene |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Eucephalus Nuttall |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Eucephalus engelmanii (D. C. Eaton) Greene |
| Identification made in | 2017 (3) |