Fomes Annosus in Giant Sequoia
NOTE: At the time of publication, the author Douglas D. Piirtp was not yet affiliated with Cal Poly. http://www.ars.usda.gov/main/main.htm.
Douglas D. Piirto, John R. Parmeter Jr., and F. W. Cobb Jr.. "Fomes Annosus in Giant Sequoia" Plant Disease Reporter 58.5 (1974): 478-478.
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