126 



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Plate 81.— Classification: system Palustrine, CLASS Scrub-Shrub Wetland, subclass Needle-leaved Evergreen, dominance TYPE 

 Picea mariana, water regime Saturated, water CHEMISTRY Fresh. Subordinate plants include: dwarf birch (Betida nana), cotton 

 grass (Eriophorum vaginatum), bog blueberry (Vaccinium uliginosum), Labrador tea (Ledum groenlandicum), and peat moss 

 (Sphagnum spp.). This wetland type, commonly known as "muskeg," is abundant in the forested regions of Alaska; it also occurs 

 in northern New England and in the Great Lakes States. (Vicinity of Coldfoot, Alaska; July 1985; Photo by F. C. Golet) 



