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By: Von Schrenk, Hermann, - United States. Bureau of Plant Industry. - United States. Department of Agriculture. - United States. Government Printing Office.Edition:Publication info: Washington, Govt. Print. Off, 1907Volume: no.114 (1907)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Diseases and pests Sap-rot SweetgumBHL Collections: