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  1. A catalogue of the flowering plants and vascular cryptogams, found in and near Lackawanna and Wyoming valleys, by William R. Dudley...and Charles O. Thurston...1892.
    By: Dudley, William Russel, - Thurston, Charles Orion,
    Publication info: Wilkes-Barre, Pa.,E. B. Yordy,1892.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Botany  Lackawanna Valley  Pennsylvania  Wyoming Valley  
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  2. A preliminary list of the vascular plants of the Lackawanna and Wyoming valleys /
    By: Dudley, William Russel,
    Publication info: Scranton, Pa. :The Republican Press,1887.
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: Lackawanna River Valley  Pennsylvania  Plants  Wyoming Valley  
    BHL Collections: New York Botanical Garden
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