References

Little, Elbert, National Audubon Society Field Guide to Trees: Eastern Region, Alfred A. Knopf, New York, copyright 1980.

Newcomb, Lawrence, Newcomb's Wildflower Guide, Little, Brown and Company, Boston, copyright 1977.

Peterson, Roger Tory and Margaret McKenny, Peterson's Field Guide to Wildflowers: Northeastern/North-central North America, Houghton Mifflin Company, Boston, copyright 1996.

Petrides, George A. and Janet Wehr, Peterson's Field Guide to Eastern Trees, Houghton Mifflin Company, copyright 1998.

Randall, John M. and Janet Marinelli, Invasive Plants: Weeds of the Global Garden, Brooklyn Botanic Gardens, Brooklyn, New York, copyright 1996.

Thieret, John W., William A. Niering, and Nancy Olmstead, National Audubon Society Field Guide to Wildflowers: Eastern Region, Alfred A. Knopf, New York, copyright 2001.

Uva, Richard H., Joseph C. Neal, and Joseph M. DiTomaso, Weeds of the Northeast, Comstock Publishing Associates, Ithaca and London, copyright 1997.

Websites

http://invasives.eeb.uconn.edu/ipane/
University of Connecticut's Invasive Plant Atlas of New England
http://www.aphis.usda.gov/ppq/ispm/
The United States Department of Agriculture's Animal and Plant Health Inspection Service
http://plants.usda.gov/
The United States Department of Agriculture Plant Database


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