Blyler, Karen, and Joy Jordan. 2014. “Aquatic and Marine Ecosystems—Lesson 2: Wetland Ecosystems—Freshwater Marshes and Swamps: 4H348/4H348, Rev. 11/2014”. EDIS 2014 (8). Gainesville, FL. https://doi.org/10.32473/edis-4h348-2014.