88 



Plate 41.— Classification: system Palustrine, CLASS Emergent Wetland, subclass Persistent, water regime Seasonally 

 Flooded, water chemistry Fresh-Circumneutral, SOIL Organic. The dominant plant is sedge (Carex lasiocarpa). Subordi- 

 nate plants include sedges {Carex lacustris and C. rostrata), marsh smartweed {Polygonum coccineum), bladderwort {Utri- 

 cularia vulgaris), bluejoint {Calamagrostis canadensis), and pondweed {Potamogeton gramineus). (Beltrami County, Min- 

 nesota; June 1972; Photo courtesy of J. H. Richmann) 



