Canadian Forest Service Publications
Studies of hypodermataceous needle diseases. II. Lirula brevispora sp. nov., causing needle blight of spruce. 1969. Ziller, W.G. Canadian Journal of Botany 47(2): 261-262.
Available from: Pacific Forestry Centre
Catalog ID: 28028
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A new pathogen of spruce (Picea spp.) needles is described. Although difficult to distinguish macroscopically from similar parasites, its short ascospores facilitate identification under the microscope. Its geographic distribution and importance as a cause of needle blight are still uncertain.