7.s 



Plate 31.— Classification: system Lacustrine, subsystem Littoral, class Emergent Wetland, subclass Nonpersistent, water 

 regime Permanently Flooded, WATER chemistry Fresh-Circumneutral, SOIL Mineral, special modifier Impounded. The 

 dominant plant is American lotus (Nelumbo lutea). Subordinate plants are duckweeds {Lemna spp.) and bald cypress 

 [Taxodium distichum). (Obion County. Tennessee; September 1975) 



