| Name | Pogonia verticillata (Muhlenberg ex Willdenow) Nuttall |
| Authorship | (Muhlenberg ex Willdenow) Nuttall |
| Rank | Species |
| Placed in | Pogonia |
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Pogonia verticillata (Muhlenberg ex Willdenow) Nuttall |
| Identification made in | [no date] (16) |