|Photo by the Illinois Wildflowers Database|
|Division:||Magnoliophyta - Flowering plants|
|Class:||Magnoliopsida - Dicots|
|Natural range of Ludwigia alternifolia from USDA NRCS Plants Database.|
L. alternifolia is a perennial forb/herb of the Onagraceae family native to North America and Canada.
L. alternifolia ranges from Massachusetts to north Florida and east Texas, and west to southern Ontario, southern Michigan, Iowa, and Kansas.
L. alternifolia is found in freshwater tidal marshes, ditches, other marshes, open wet places, and disturbed wet places. Specimens have been collected from wooded floodplains, mesic woodlands, moist loamy sands, depression of wiregrass longleaf woodland, open grassy meadow, swamps edges, mesic cypress dome verge, exposed lake bed and other disturbed drainage areas such as ditches on roadside.
L. alternifolia flowers from June through October.
L. alternifolia is visited by bees such as Melissodes comptoides (Apidae family) and sweat bees such as Agapostemon splendens (family Halictidae). Additionally, this species has been observed to host plant bugs such as Lygus lineolaris (family Miridae).
Conservation, cultivation, and restoration
References and notes
- USDA Plant Database https://plants.usda.gov/core/profile?symbol=LUAL2
- Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
- Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
- URL: http://herbarium.bio.fsu.edu. Last accessed: June 2018. Collectors: Loran C. Anderson, kathy Craddock Burks, Gary Knight, R.K. Godfrey, Neal Morar, R. Kral, T. MacClendon, karen MacClendon, R.F. Doren, R. Komarek, J.M. Kane, John Nelson, Leah Garris, Frank Lee, Keith Bradley. States and counties: Florida (Franklin, Bay, Leon, Okaloosa, Gulf, washington, Gadsden, Liberty, Santa Rosa, Jackson, Walton, Calhoun, Holmes) South Carolina (Kershaw, Richland) Georgia (Thomas) Texas (Orange)
- Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 24 MAY 2018
- Discoverlife.org 
- Discoverlife.org