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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 (
    Subjects: Botany  Lackawanna Valley  Pennsylvania  Wyoming Valley  
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