| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Onagraceae | Ludwigia alata | Winged Seedbox | Interdune ponds, freshwater to slightly brackish (oligohaline) marshes, cypress swamps. | Se. Virginia south to s. Florida, west to se. Louisiana; disjunct in Jamaica, where apparently introduced. |  (c) Sorrie, Bruce A. - CC-BY |
| Onagraceae | Ludwigia alternifolia | Alternate-leaved Seedbox | Freshwater tidal marshes, ditches, other marshes, open wet places, disturbed wet places. | Massachusetts west to s. Ontario, s. Michigan, Iowa, and Kansas, south to n. Florida and e. Texas. |  (c) Fleming, Gary P. |
| Onagraceae | Ludwigia arcuata | Pondshore Seedbox | Marshes or submerged in water of natural Coastal Plain ponds. | Ne. South Carolina south to s. Florida, west to Panhandle Florida and s. Alabama. |  (c) Bradley, Keith |
| Onagraceae | Ludwigia bonariensis | Freshwater tidal marshes and adjacent disturbed areas. | Apparently native of tropical America. Locally abundant in disturbed edges of freshwater tidal marshes near Wilmington, North Carolina, perhaps introduced on ship's ballast. |  (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG | |
| Onagraceae | Ludwigia brevipes | Long Beach Seedbox, Coastal Plain Water-purslane | Pondshores, blackwater rivers, interdunal swales, borrow ponds, ditches, impoundments, tidal freshwater marshes, other marshes. | New Jersey south to e. Georgia (Jones & Coile 1988), and Panhandle Florida (Escambia County), in the Coastal Plain. |  (c) Fleming, Gary P. |
| Onagraceae | Ludwigia curtissii | Curtiss’s Seedbox | Pine savannas, flatwoods, marshes, marl prairies, pond shores. | Nc. Florida south to s. Florida; Bahamas. |  (c) Horn, Jay |
| Onagraceae | Ludwigia decurrens | Wingstem Water-primrose | Swamp forests, marshes, ditches. | Maryland, w. Virginia, West Virginia, s. Indiana, s. Illinois, and Missouri, south to s. Florida and Texas; West Indies; Mexico (Campeche, Chiapas, Colima, Jalisco, Michoacán, Nayarit, Tabasco), Central America and South America; introduced in Africa and Asia. |  (c) Goldman, Douglas - CC-BY-SA |
| Onagraceae | Ludwigia erecta | Yerba de Jicotea | Marshes, swamps, pineland ponds. | Florida; West Indies; s. Mexico, Central America and South America; introduced in tropical Africa and Madagascar. Also in Coastal Plain of Mississippi and e. Texas, probably by introduction. |  (c) Horn, Jay |
| Onagraceae | Ludwigia glandulosa | Small-flowered Seedbox | Low forests, marshes, ditches. | E. Maryland south to n. Florida, west to e. Texas, north in the interior to c. Tennessee, w. Kentucky, s. Indiana, s. Illinois, se. Missouri, c. Arkansas, and se. Oklahoma, primarily on the Southeastern Coastal Plain. |  (c) Campos, Aidan |
| Onagraceae | Ludwigia grandiflora | Showy Water-primrose | Ponds, lakes, sluggish waters of ditches or streams. | Se. South Carolina south to Florida, west to Texas; disjunct in Missouri, Guatemala, and in s. South America. |  (c) Bradley, Keith |
| Onagraceae | Ludwigia hexapetala | Common Water-primrose | Ponds, lakes, sluggish waters of ditches or streams. | North Carolina south to Florida, west to Oklahoma and Texas; also in California, Europe, South America, Mexico; also introduced farther north in North America. Reported for Delaware and Maryland (Longbottom, Naczi, & Knapp 2016). |  (c) Bradley, Keith |
| Onagraceae | Ludwigia hirtella | Rafinesque's Seedbox, Spindleroot, Hairy Seedbox | Pine savannas, rarely inland in boggy seepage in barrens and oak flatwoods. | S. New Jersey south to Panhandle Florida, west to e. Texas, north in the interior to Kentucky, c. Tennessee, Arkansas, and se. Oklahoma. |  (c) Cressler, Alan M. |
| Onagraceae | Ludwigia lanceolata | Lanceleaf Seedbox | Pocosins, interdune ponds, open wet areas. | Se. North Carolina south to c. peninsular Florida, west to Panhandle Florida. |  (c) Powell, Eric M - CC-BY-NC, permission granted to NCBG |
| Onagraceae | Ludwigia leptocarpa | Water-willow | Riverbanks, marshes, swamps, and ditches, often on logs or tree bases in deep swamps. | Virginia south to c. peninsular Florida, west to e. Texas, north in the interior along the Mississippi and Ohio rivers to se. Missouri, s. Illinois, and w. West Virginia; tropical America; tropical Africa. |  (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Onagraceae | Ludwigia linearis var. linearis | Eastern Narrowleaf Seedbox | Pine savannas, swamps, marshes. | Var. linearis ranges from s. New Jersey south to c. peninsular Florida, west to se. Louisiana, extending inland to the Cumberland Plateau of nc. Alabama and c. Tennessee. |  (c) Arendell, Adam |
| Onagraceae | Ludwigia linearis var. puberula | Western Narrowleaf Seedbox | Pine savannas, prairies, interdunal swales, ditches. | Var. puberula ranges primarily from c. Alabama west to c. Arkansas and e. Missouri, south to e. Texas, with intergradational material extending as far north and east as n. Florida and e. North Carolina. |  (c) Hill, Sonnia |
| Onagraceae | Ludwigia linifolia | Flaxleaf Seedbox | Limesink ponds (dolines) and Taxodium ascendens savannas; wet pine savannas. | Nc. North Carolina south to s. Florida, west to s. Mississippi; disjunct in s. Mexico (Tabasco). |  (c) Horn, Jay |
| Onagraceae | Ludwigia longifolia | Longleaf Seedbox | Swamps, marshes. | Native of South America. | |
| Onagraceae | Ludwigia maritima | Harper's Seedbox | Pine savannas, pine flatwoods, bogs. | E. North Carolina south to s. peninsular Florida, west to e. Louisiana. |  (c) Keim, Mary - CC-BY-NC-SA, permission granted to NCBG |
| Onagraceae | Ludwigia microcarpa | Small-fruited Seedbox | In circumneutral or alkaline soils of moist places, over calcareous rock, mafic rock, shell hash, or brackish sands, such as in maritime wet grasslands, savannas and adjacent ditches over coquina limestone (‘marl’), and wet clay flats over diabase, often in roadside ditches, and inland in calcareous fens and wet calcareous glades. | Ne. North Carolina south to s. Florida, west to se. Texas (Brown & Marcus 1998); disjunct inland on calcareous or mafic rocks in nc. North Carolina, nc. South Carolina, n. Georgia, n. Alabama, c. and e. Tennessee, sc. Missouri, and nc. Arkansas; also in the Bahamas, Cuba, and Jamaica. |  (c) Sorrie, Bruce A. - CC-BY |
| Onagraceae | Ludwigia octovalvis | Mexican Primose-willow | Marshes, disturbed areas. | Se. North Carolina south to s. Florida, west to wc. Texas; and widespread in tropical America; Old World tropics and subtropics. The native and non-native components of the distribution are unclear, but Mohr (1901) referred to Jussiaea suffruticosa as "occurring near ballast heaps; presumably a fugitive from the tropics". This suggests that most or all of the southeasrnn distribution may be non-native. |  (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Onagraceae | Ludwigia palustris | Common Water-purslane | In a wide range of natural and altered moist to wet, disturbed areas, such as ditches, marshes, swamps, saturated firelanes and other wet sandy areas. Often in areas with some standing water, at least seasonally. | Widespread in North America, West Indies, Mexico, Central America, South America, Central Eurasia, Africa, and w. Asia. |  (c) Fleming, Gary P. |
| Onagraceae | Ludwigia peploides var. glabrescens | Floating Primrose-willow | Pools, ditches, disturbed places. | Pennsylvania, Virginia and North Carolina south and west to Florida and Arizona; Mexico; Venezuela. Doubtfully native in the eastern parts of our area. |  (c) Fleming, Gary P. |
| Onagraceae | Ludwigia peploides var. montevidensis | Marshes. | Native of South America. | ||
| Onagraceae | Ludwigia peploides var. peploides | Canals, ditches, sluggish waters. | Texas, New Mexico, Arizona, and California south to Mexico, Central America, South America; West Indies. |  (c) Hill, Sonnia | |
| Onagraceae | Ludwigia peruviana | Primrose-willow | Swamps, pondshores, wet ditches, disturbed marshes. | Native of the Neotropics. In s. Georgia (Jones & Coile 1988) and Louisiana (Reid et al. 2024). All or part of the Southeastern distribution is as an alien species. |  (c) Ware, Richard & Teresa - CC-BY-NC, permission granted to NCBG |
| Onagraceae | Ludwigia pilosa | Hairy Seedbox | Swamps, ditches, blackwater streams, other wet places. | Se. Virginia south to n. Florida, west to se. Texas, restricted to the Coastal Plain except for disjunct occurrences inland in North Carolina, Virginia, and n. Alabama. |  (c) Sorrie, Bruce A. - CC-BY |
| Onagraceae | Ludwigia polycarpa | Manyfruit Seedbox | Wet meadows, swales. | Massachusetts, Connecticut, and w. Vermont west to s. Ontario, Michigan, Wisconsin, Minnesota, and c. Nebraska, south to c. Virginia, Kentucky, s. Illinois, s. Missouri, and e. Kansas. |  (c) Marcum, Paul |
| Onagraceae | Ludwigia ravenii | Raven's Seedbox | Margins of Coastal Plain ponds, wet pine savannas, swamps, marshes, wet open places. | Se. Virginia south to ne. Florida, restricted to the Coastal Plain. |  (c) Bradley, Keith - CC-BY-NC, permission granted to NCBG |
| Onagraceae | Ludwigia repens | Creeping Seedbox | Ditches, pools, and streams. | Ne. North Carolina south to s. Florida, west to Texas, California, and n. Mexico, north in the interior to Tennessee, Missouri, and Oklahoma; Bermuda; West Indies; Central America. Virginia records from Frederick and Greensville counties were in error. |  (c) Bradley, Keith |
| Onagraceae | Ludwigia simpsonii | Simpson's Seedbox | Ponds, ditches. | Ne. Florida, Panhandle Florida, s. Mississippi (?) south to s. Florida; West Indies (Bahamas, Cuba, Jamaica). | |
| Onagraceae | Ludwigia spathulata | Southern Water-purslane | Sinkhole ponds, cypress-gum ponds, depression meadows, boggy shores. | South Carolina south to Panhandle Florida and s. Alabama. |  © Madison Ohmen |
| Onagraceae | Ludwigia species 1 [=brachycarpa] | Prairies, meadows, ditches, seeps. | Sw. Arkansas and s. Oklahoma south to sw. Louisiana and e. and c. Texas. | ||
| Onagraceae | Ludwigia sphaerocarpa | Globe-fruited Seedbox | Boggy areas, pools, ditches, river marshes, interdune swales, river and pondshores, tidal freshwater marshes. | E. Massachusetts south to n. Florida, west to e. Texas, primarily on the Coastal Plain, spottily distributed in that range, and also disjunct in w. New York, sc. Tennessee, s. Indiana, and nw. Indiana, ne. and s. Illinois. Rediscovered in Illinois in 2019 by Paul Marcum in Pope County, approximately 160 years after first being discovered in the state much further north in Cook County. This species otherwise primarily occurs in the coastal plain outside of its Great Lakes disjunction. |  (c) Hill, Sonnia |
| Onagraceae | Ludwigia suffruticosa | Pond Seedbox, "Shrubby Seedbox" | Periodically to seasonally flooded portions of limesink ponds (dolines) and pondcypress savannas of clay-based Carolina bays, other seasonally ponded wetlands. | Se. North Carolina south to s. peninsular Florida, west to Panhandle Florida and se. Alabama; allegations that this species is also in s. Mexico and other parts of the Neotropics are based on misidentications. |  (c) Bradley, Keith |
| Onagraceae | Ludwigia virgata | Savanna Seedbox | Wet pine savannas and pine flatwoods. | Se. Virginia south to s. peninsular Florida, west to Panhandle Florida and se. Alabama. |  (c) Sorrie, Bruce A. - CC-BY |