| Name | Azolla pinnata R. Brown |
| Authorship | R. Brown |
| Rank | Species |
| Placed in | Azolla Lamarck |
| Citation | 1810 Prodr. Fl. Nov. Holland. 167 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Azolla pinnata R. Brown |
| Identification made in | [no date] (10), 2010 (1) |