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  1. By: Leonard, Raymond E - Conkling, Philip W. - McMahon, J. L. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: [Broomall, Pa.], U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1985
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Ketchledge, Edwin H. - Leonard, Raymond E
    Type: Article
    In: Rhodora
    Volume: 86
    Date: 1984
    Page Range: 439--444
    Publication Info: [Cambridge, Mass., etc.] New England Botanical Club [etc.]