101 



Plate 54.— Classification: system Palustrine, class Aquatic Bed (foreground). Forested Wetland (background), subclass 

 Floating (foreground) and Needle-leaved Deciduous (background), water regime Permanently Flooded, water CHEMISTRY 

 Fresh. The dominant plant in the foreground is water lettuce (Pistia stratiotes) and in the background bald cypress 

 (Taxodium distichum). The subordinate species is arrowhead {Sagittaria spp.). (Collier County, Florida; January 1978) 



