Proserpinaca palustris is a freshwater aquatic plant commonly found in wetlands, marshes, and shallow waters across North America. It belongs to the family Haloragaceae and is characterized by its submerged, finely dissected leaves that can resemble those of ferns. The plant typically grows in clumps and can reach heights of up to 1 meter. This species is known for its ability to thrive in nutrient-rich environments and can provide habitat for various aquatic organisms. Proserpinaca palustris also plays a role in water filtration and stabilization of sediments, making it an important component of its ecosystem.