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Key to Wetland Types 



In the codes the first letter designates a fresh-water wetland (F), a 

 saline wetland (S), or a riparian site (R). Numbers refer to wetland 

 types recognized by the U.S. Fish and Wildlife Service. Final letters 

 designate marshes and meadows (M), swamps (S), bogs or peatlands 

 (B), shrub swamps (Ss), wooded swamps (Sw). Codes followed by 

 (Ca) designate calcareous areas. 



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Z 



o 



:> 



m 



H 



c/> 



Code 



F-l-M 



F-l-S 



F-2-M 



F-3-M 



F-4-M 



F-5-M 



F-6-Ss 



F-7-Sw 



F-8-B 



S-9 



S-10-M 



S-ll-M 



R 



Wetland Type 



Seasonally flooded marshes 



Seasonally flooded swamps 



Fresh meadows 



Shallow fresh marshes 



Deep fresh marshes 



Open fresh water 



Shrub swamps 



Wooded swamps 



Bogs 



Saline flats 



Saline marshes 



Open saline water 



Riparian sites 



Abbreviations 



BLM 

 BSFW 



NPS 

 RNA 



SAF 



TNC 

 USFS 



Bureau of Land Management 



Bureau of Sport Fisheries and Wildlife, Department 



of the Interior 



National Park Service, Department of the Interior 



RNA-1 through RNA-336 refer to specific areas 



listed in Research Natural Areas on Federal Lands of 



the United States of America. 1968. Government 



Printing Office, Washington, D.C. 



SAF followed by a number refers to a specific forest 



cover type listed in Forest Cover Types of North 



America (Exclusive of Mexico), Society of American 



Foresters. 



The Nature Conservancy, 1800 North Kent St., Suite 



800, Arlington, Va. 22209. 



United States Forest Service, Department of 



Agriculture. 



