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  1. By: Orton, C. R. (Clayton Roberts), - Wood, Jessie I. - United States. Plant Disease Survey.
    Publication info: [Washington, D.C.], Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1924
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Weiss, Freeman - Orton, C. R. (Clayton Roberts), - Hartman, R. E. (Russell Edwin),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1923
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Orton, C. R. (Clayton Roberts),
    Type: Article
    In: Mycologia
    Volume: 4
    Issue: 4
    Date: 1912
    Page Range: 194--204
    Publication Info: [Bronx, etc.], New York Botanical Garden,
  2. By: Orton, C. R. (Clayton Roberts),
    Type: Article
    In: Mycologia
    Volume: 7
    Issue: 1
    Date: 1915
    Page Range: 21--27
    Publication Info: [Bronx, etc.], New York Botanical Garden,