Key to Michigan's Natural Communities

A. Occurring statewide in floodplains of 3rd order or greater streams and rivers. Typically dominated by hardwoods such as silver maple (Acer saccharinum) and red ash (Fraxinus pennsylvanica), but conifers (tamarack, northern white-cedar, white pine, and hemlock) become important north of the climatic tension zone, where organic soils accumulate in areas of groundwater seepage, backswamps, and meander scars. Other important hardwoods associated with floodplain conifers include black ash, yellow birch, red maple, and basswood .... Floodplain Forest

B. Occurring along headwater streams (1st and 2nd orders), and on poorly drained glacial outwash, lakeplain, and moraines. .... Continue

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