Proserpinaca palustris

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Common names: marsh mermaidweed[1]

Proserpinaca palustris
Proserpinaca palustris AFP.jpg
Photo by Allen Boatman hosted at Atlas of Florida Plants
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicots
Order: Haloragales
Family: Haloragaceae
Genus: Proserpinaca
Species: P. palustris
Binomial name
Proserpinaca palustris
Natural range of Proserpinaca palustris from USDA NRCS Plants Database.

Taxonomic Notes

Synonym: none

Variety: Proserpinaca palustris var. amblyogona (Fernald), Proserpinaca palustris var. crebra (Fernald & Griscom)


P. palustris is a perennial forb/herb of the Haloragaceae family that is native to North America.[1]


P. palustris can be found throughout the eastern United States, as far west as Texas, as well as Ontario and Quebec, Canada. [1]



Habitats are limited to swamps and other wetlands or swamp forests.[2] Specimens have been collected from shallow water of a roadside ditch, dry center of a pond, and tidal swamp with a canopy of tupelo.[3]


P. palustris has been observed flowering in July.[4]

Fire ecology

Populations of Proserpinaca palustris have been known to persist through repeated annual burning.[5]

Conservation, cultivation, and restoration

Cultural use

Photo Gallery

References and notes

  1. 1.0 1.1 1.2 USDA Plant Database
  2. Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Chapel Hill, NC, University of North Carolina Herbarium.
  3. URL: Last accessed: June 2018. Collectors: Loran C. Anderson, Rodie White, Jean W. WOoten, Robert K. Godfrey, R. Komarek, J.M. Kane, William Platt, Keith A. Bradley, M. Darst, L. Webster, L. Lewis. States and counties: Florida (Jefferson, Hillsborough, Leon, Gulf, Levy) Georgia (THomas, Grady) South Carolina (Aiken)
  4. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. Accessed: 24 MAY 2018
  5. Platt, W.J., R. Carter, G. Nelson, W. Baker, S. Hermann, J. Kane, L. Anderson, M. Smith, K. Robertson. 2021. Unpublished species list of Wade Tract old-growth longleaf pine savanna, Thomasville, Georgia.