Bibliography & Citations   


Britton, Ian, Photographer, FreePhoto.com, Accessed May 29, 2007.

               <http://www.freefoto.com>.

Discover Life: Acer saccharinum L., Discover Life, Institute of Ecology

               University of Georgia, Athens, GA. April, 2007. Accessed April 25, 2008.

                <http://pick4.pick.uga.edu/mp/20q?search=Acer+saccharinum>.

Gabriel, William, Acer Saccharinum L., Silver Maple, USDA Forest Service, Newton Square, PA

               <http://www.na.fs.fed.us/pubs/silvics_manual/volume_2/acer/saccharinum.htm>.


Oak budburst Model, The Forestry Commission, Edinburgh, England, 2007. Accessed April 30, 2007.

               <http://www.forestresearch.gov.uk/fr/INFD-5ZZM2D>.

Phenology Learning Activity, The GLOBE Program, UCAR/CSU, Boulder, CO., 2007. Accessed April 18, 2007.

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Project Budburst, University Corporation for Atmospheric Research (UCAR), Boulder, Colorado, 3/31/07. Accessed April 2, 2007.

              <http://www.windows.ucar.edu/citizen_science/budburst/index.html >.

Simon & Schuster’s Guide to Trees, Simon and Schuster, New York, NY, 1978.


Silver Maple - Tree Plant Guide, Garden Guides.com, Hillcom Media 2007. Seattle, WA.

             < http://www.gardenguides.com/plants/plantguides/trees/plantguide.asp?symbol=ACSA2 >.

Trees of Wisconsin, Acer Saccharinum, L., Corbin Center for Biodiversity. University of Wisconsin, Greenbay, WI. 2007.

             < http://www.uwgb.edu/BIODIVERSITY/herbarium/trees/Acesil01.HTM >.

What is Phenology?, The Life Cycles Phenology web site, Withee, Wisconsin, 2006. Accessed March 20, 2007.

            < http://www.sws-wis.com/lifecycles/what.html >.

Zim, Herbert S., and Martin, Alexander C., Trees; A Guide to Familiar American Trees,

              Western Publishing Company, Inc., Racine, Wisconsin, 1956.

Photo Credits

All photos credits to Teresa Huckleberry or Mary Ellsworth unless otherwise noted.