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Status of European larch canker, European race of Scleroderris canker, butternut canker and dutch elm disease in Atlantic Canada 1999. 2000. Hurley, J.E.; Harrison, K.J.; MacKay, A.W. Pages 141-143 (Vol. 80) in R.A. Morrall, National Coordinator. Canadian Plant Disease Survey - The Canadian Phytopathological Society. Agriculture and Agri-Food Canada, The Southern Crop Protection and Food Research Centre, London, Ontario.