| Name | Mortonia sempervirens A. Gray |
| Authorship | A. Gray |
| Rank | Species |
| Placed in | Mortonia |
| Citation | 1853 Smithsonian Contr. Knowl. 3(5): 35 |
| Holdings | 57 Specimens held in the Harvard University Herbaria identified as Mortonia sempervirens A. Gray |
| Identification made in | [no date] (7), 2014 (38), 2016 (10), 2018 (2) |