| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Acanthaceae | Hygrophila corymbosa | Starhorn | Ditches, disturbed wet areas. | Native of se. Asia. |  (c) Northup, Alison - CC-BY |
| Acanthaceae | Hygrophila difformis | Water-wisteria | Canals, ponds. | Native of se. Asia. |  (c) Shebs, Stan - CC-BY-SA |
| Acanthaceae | Hygrophila lacustris | Gulf Swampweed | Shallow water of swamps and shores. | Sw. Georgia south to c. Florida Peninsula, west to e. Texas; West Indies. |  (c) Hill, Sonnia |
| Acanthaceae | Hygrophila polysperma | East Indian Swampweed, Hygro, Miramar-weed, East Indian Hygrophila | Lakes, rivers, canals; established in AL, FL, and SC (Hook & Nelson 2011), doubtfully established in VA. | Native of se. and s. Asia. Grown for the aquarium trade, and sporadically introduced to bodies of water, apparently well-established in Florida (Les & Wunderlin 1981). |  (c) mfeaver - CC-BY |
| Acanthaceae | Hygrophila species 1 | Swamps and marshes. | Known from Escambia County, Florida (Daniel 2013). |