This type occurs mostly along sluggish streams, on floodplains, on flat uplands, and in shallow basins. Trees include tamarack, arborvitae, black spruce, balsam, red maple, and black ash. Northern evergreen swamps usually have a thick ground cover of mosses. Deciduous swamps frequently support beds of duckweeds and smartweeds. This type occurs mostly in shallow basins, on flat uplands, and along sluggish streams.
Vegetation is woody or herbaceous or both.
Typical plants are heath shrubs, sphagnum moss, and sedges. In the north, leatherleaf, Labrador-tea, cranberries, carex, and cottongrass are often present. Scattered, often stunted, black spruce and tamarack may occur. Renumbered subd 15a Subd. For the purposes of regulation under this chapter, the term wetlands does not include public waters wetlands as defined in subdivision 15a.