Beech bark disease is a fungal infection that attacks the American beech through damage caused by scale insects."beech." The Columbia Encyclopedia. New York: Columbia University Press, 2008. Credo Reference. Web. 17 September 2012. Infection can lead to the death of the tree. Credo Reference. Web. 27 September 2012.
beech bark disease is a fungal infection that attacks the american beech through damage caused by scale insects"beech" the columbia encyclopedia new york columbia university press 2008 credo reference web 17 september 2012 infection can lead to the death of the tree credo reference web 27 september 2012