Vegetation: Woody, herbaceous, or both supporting a spongy covering
of mosses; typical plants are heath shrubs, sphagnum mosses, sedges, leatherleaf,
Labrador tea, cranberry, and cottongrass; may include stunted black spruce
and tamarack
Common sites: Mostly on shallow glacial lake basins and depressions,
flat terrains, and along sluggish streams