Wetland Types - Swamps
Swamps are wetlands with a canopy of trees or shrubs. They include forested floodplains along major rivers that are temporarily flooded in spring. Northern Minnesota and Wisconsin have extensive black ash and northern white cedar swamps on saturated, peaty soils of ancient lake basins. Shrub dominated swamps include "tag Alder" thickets and those composed of willows and dogwoods.

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