| Name | Mortonia hidalgensis Standley |
| Authorship | Standley |
| Rank | Species |
| Placed in | Mortonia |
| Citation | 1923 Contr. U.S. Natl. Herb. 23(3): 683 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Mortonia hidalgensis Standley |
| Identification made in | [no date] (2) |