Azolla filiculoides Lam., Encycl. [J. Lamarck & al.] 1(1): 343. 1783 sec. Mickel & Smith 2004
Holotype: Straights of Magellan P-Lam, Commerson SN (P-Lam)
- =Azolla caroliniana Willd., Sp. Pl., ed. 4 [Willdenow] 5: 541. 1810 syn. sec. Mickel & Smith 2004