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  1. Past growth of yellow-poplar and oak reproduction key to future /
    By: Walters, Russell S.
    Publication info: Columbus, Ohio :Dept. of Agriculture, Central States Forest Experiment Station,1963.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Growth  Liriodendron tulipifera  Oak  Trees  
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  2. Yellow poplar in Tennessee, by W. W. Ashe.
    By: Ashe, W. W. (William Willard), - United States. Forest Service.
    Publication info: Nashville, Tenn.,1913.
    Contributed by: University of California Libraries (
    Subjects: Liriodendron tulipifera  
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  1. Liriodendron: the tulip tree
    Type: Article
    In: Garden.
    Volume: v.6:no.5(1982:Sep.-Oct.)
    Date: 1977
    Page Range: 5-7
    Publication info: [New York :Garden Society],1977-
    Subjects: Liriodendron  Liriodendron tulipifera  
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