| 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) |