10 



ZInni 



■»" 









' .rf*» ^Jtrf'^'-W -.'^.' 







NWI 



Cowardin et al 



Fig. 9. Examples of palustrine emergent wetlands, (a) Northeastern sedge meadow, (b) cattail marsh, (c) prairie pothole wetland, and (d) Western 

 sedge meadow. 



LEGEND 



Water Regime Examples of Common Plants 



r|3 Permanently Flooded western widgeongrass, pondweed, muskgrass 



rn] Semipermanently Flooded slender bulrusti, cattail, hardstem bulrush 



[^ Seasonally Flooded burreed. smartweed. whitetop, spikerush 



[7^ Temporarily Flooded false aster, bluegrass, prairie cordgrass. 

 saltgrass 



Fig. 10. Generalized vegetation zones of a pothole wetland in relationship to water regime (from Stewart and Kantrud 1972). 



