| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Salviniaceae | Salvinia minima | Water Spangles | Quiet waters. | Native of the Neotropics. |  (c) Cressler, Alan M. |
| Salviniaceae | Salvinia molesta | Giant Salvinia, Kariba Weed | Still waters of farm ponds, calcareous seepage ponds, and other situations. | Native of Brazil. S. molesta has been found at scattered sites in Georgia (Gwinnett and Lamar counties) (Carter, Baker, & Morris 2009), North Carolina (Brunswick, Carteret, Craven, Cumberland, Duplin, Durham, Johnston, Jones, Lenoir, Mecklenburg, New Hanover, Onslow, Orange, Person, Pitt, Sampson, and Wake counties), South Carolina (Colleton County), and Virginia (Shenandoah County), where it has been subjected to extermination efforts; it will likely be reintroduced (Anonymous 1999, D. Patterson, pers. comm.) |  (c) Bradley, Keith |
| Salviniaceae | Salvinia natans | Native of Eurasia. Known from Missouri, New York, and Massachusetts (NatureServe 2024; Nauman 1993). |