| Name | Casimiroa watsonii Engler |
| Authorship | Engler |
| Rank | Species |
| Placed in | Casimiroa |
| Citation | 1896 Nat. Pflanzenfam., ed. 2 [Engler & Prantl] 3, Abt. 4: 178 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Casimiroa watsonii Engler |
| Identification made in | [no date] (3) |