| Name | Mortonia palmeri Hemsley |
| Authorship | Hemsley |
| Rank | Species |
| Placed in | Mortonia |
| Citation | 1879 Diagn. Pl. Nov. Mexic. 2: 24 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Mortonia palmeri Hemsley |
| Identification made in | [no date] (1), 2016 (1), 2018 (1) |