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References


 

BIBLIOGRAPHY

Holmgren, Noel H. Illustrated Companion to Gleason & Conquist's Manual. New York: NY Botany Garden, 1998.

Magee, Dennis W. and Harry E. Ahles. Flora of the Northeast. Amherst: Univ of MA, 1999.

Petrides, George A. Trees and Shrubs. Peterson Field Guide. Boston: Houghton Mifflin, 1972.

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

PHOTOGRAPHY CONTRIBUTIONS

Sylvain, Nicholas Greenbriar. Newton, MA: 2003

Anik, Vanessa. Silkvine. Waltham, MA: 2003