| Name | Washingtonia leibergi J. M. Coulter & Rose |
| Authorship | J.M. Coulter & Rose |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Washingtonia Rafinesque |
| Citation | 1900 Contr. U.S. Natl. Herb. 7: 66 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Washingtonia leibergi J. M. Coulter & Rose |
| Identification made in | [no date] (1) |