References
Aronson, Steven M.L. (1997) Field Guide of Trees. Canada: Workman Publishing
Harlow, William M. (1957) Trees of the Eastern United States and Canada. New York: Dover Publications
Kricher,
John. (1998) A Field Guide to Eastern Forests. Boston: Houghton Mifflin Company
MacDonald, Glen. (2002) Biogeography: Space, Time and Life. New York: John Wiley& Sons, Inc
Niering, William A. (1985) The Autubon Society Nature
Guides: Wetlands. New York: Chanticleer Press Inc
Petrides, George A. (1998) A Field Guide to Eastern Trees. Boston: Houghton Mifflin Company