Works Cited

Bates, John. Trailside Botany: 101 Favorite Trees, Shrubs, and Wildflowers of the Upper           Midwest. Duluth: Pfeifer-Hamilton, 1995.

Eastman, John. The Book of Forest and Thicket: Trees, Shrubs, and Wildflowers of           Eastern North America. Harrisburg: Stackpole Books, 1992.

Levine, Carol. A Guide to Wildflowers in Winter. New Haven: Yale University Press,           1995.

Sanders, Jack. Hedgemaids and Fairy Candles: The Lives and Lore of North American           Wildflowers. Camden, Maine: Ragged Mountain Press, 1993.

Smith, Norman F. Trees of Michigan and the Upper Great Lakes. Holt, MI: Thunder Bay           Press, 1952

Stokes, Donald. Stokes Guide to Nature in Winter: Northeast and North Central North           America. New York: Little, Brown and Company, 1976.

Symonds, George W. D. The Tree Identification Book. New York: Quill, 1958.

Uva, Richard H., Joseph C. Neal, and Joseph M. DiTomaso. Weeds of the Northeast.           Ithaca: Cornell University Press, 1997.