REFERENCES


Argus, George W. 1986. The Genus Salix In The Southeastern United States. The American Society of Plant Taxonomists, printed in the U.S.


Argus, George W. 1997. Infrageneric Classification of Salix in the New World. The American Society of Plant Taxonomists, printed in the U.S.


Fritz, Robert S., Brunsfield, Steven, 1998. "The Genetic Variation in Resistance of Hybrid Willows to Herbivores." Oikos Journal, v. 83, pp.117-128.


Hjalten, Joakim Oa and Price, Peter W. 1997. "Can plants gain protection from herbivory by association with unpalatable neighbhors?" Oikos Journal, v.78, pp.317-322.


Newsholme, Christopher, 1992. Willows: The genus Salix. Timber Press, Portland OR.


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