| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Acanthaceae | Justicia americana | American Water-willow | River and stream beds, in shallow water, often rooted in rocky shallows. | W. QC west to s. MI and NE, south to sw. GA, Panhandle FL, and s. TX; COA and CHH. | ![]() (c) Sorrie, Bruce A. - CC-BY |
| Acanthaceae | Justicia angusta | Pineland Water-willow, Narrowleaf Water-willow | Pond-cypress depressions, roadside ditches, pine savannas. | Se. GA (Camden and Charlton counties) (Sorrie 1998b; Carter, Baker, & Morris 2009) south to s. FL. | ![]() (c) Horn, Jay |
| Acanthaceae | Justicia brandegeeana | Shrimp-plant | Disturbed areas. | Native of Mexico. | ![]() (c) Sagnik, Dutta Roy - CC-BY |
| Acanthaceae | Justicia comata | Marsh Waterwillow | Disturbed wetlands. | Native of tropical America. | ![]() (c) Cahyadi, Ganjar - CC-BY |
| Acanthaceae | Justicia cooleyi | Cooley’s Water-willow, Cooley’s Justicia | Calcareous hammocks. | Endemic to nc. peninsular FL (Lake, Sumter, and Hernando counties). | ![]() (c) Hammer, Roger L. |
| Acanthaceae | Justicia crassifolia | Pine flatwoods, cypress ponds. | Endemic to FL Panhandle. | ![]() (c) Griffith, Floyd A. | |
| Acanthaceae | Justicia lanceolata | Lanceleaf Water-willow | Swamps, marshes. | Se. GA west to TX, north in the Mississippi Embayment to s. IL, s. IN, w. KY. | ![]() (c) Finzel, Brian - CC-BY-SA |
| Acanthaceae | Justicia ovata | Coastal Plain Water-willow, Loose-flower Water-willow | Swamps, marshes. | S. VA south to c. peninsular FL, Panhandle FL, and se. AL; s. IL. | ![]() (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Acanthaceae | Justicia pectoralis | Fresh-cut | Disturbed areas. | Native of tropical America. | ![]() (c) Prather, Alan - CC-BY |
| Acanthaceae | Justicia pilosella | Hairy Tubetongue | Rocky and gravelly soils in chaparral. | Nc., se., and w. TX and NM to n. Mexico. | ![]() (c) Cressler, Alan M. |
| Acanthaceae | Justicia runyonii | Runyon's Water-willow | Margins of and openings within subtropical woodlands or thorn shrublands on calcareous, alluvial, silty or clayey soils derived from Holocene silt and sand floodplain deposits of the Rio Grande Delta; can be common in narrow openings such as those provided by trails through dense ebony woodlands and is sometimes restricted to microdepressions. | S. TX and n. Mexico. | ![]() (c) Alcalá, Alberto - CC-BY |
| Acanthaceae | Justicia spicigera | Mohintle, Mexican-honeysuckle | Disturbed areas. | Native of Mexico and Central America. | ![]() (c) Marcum, Paul |
| Acanthaceae | Justicia turneri | Turner's Water-willow | ![]() (c) Knight, Eric - CC-BY |












