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By: Cummins, George B. (George Baker), - Stevenson, John A. (John Albert), - United States. Plant Disease Epidemics and Identification Section.Edition:Publication info: Beltsville, Md, Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1956Volume: v.240Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Cummins, George B. (George Baker), - United States. Plant Disease Epidemics and Identification Section.Edition:Publication info: Beltsville, Md, Plant Disease Epidemics and Identification Section, Agricultural Research Service, United States Department of Agriculture, 1956Volume: v.237Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Cummins, George B. (George Baker), - Baxter, John WType: ArticleIn: Madroño; a West American journal of botanyVolume: 16Series:Issue:Date: 1962Page Range: 201--203Publication Info: Berkeley California Botanical SocietySubjects: