| Name | Azolla imbricata (Roxburgh ex Griffith) Nakai |
| Authorship | (Roxburgh ex Griffith) Nakai |
| Rank | Species |
| Placed in | Azolla Lamarck |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Azolla imbricata (Roxburgh ex Griffith) Nakai |
| Identification made in | [no date] (2) |