| Name | Acerates monocephala Lapham ex A. Gray |
| Authorship | Lapham ex A. Gray |
| Rank | Species |
| Placed in | Acerates Elliott |
| Citation | 1857 Manual [A. Gray], ed. 2. 704 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Acerates monocephala Lapham ex A. Gray |
| Identification made in | [no date] (1), 2017 (1) |