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  1. Contributions to the flora of Beaver County, from the Mansfield Herbarium, 1865-1903.
    By: Mansfield, Ira Franklin,
    Publication info: Beaver Falls, Penna.,Tribune Printing,1903.
    Contributed by: The LuEsther T Mertz Library, The New York Botanical Garden
    Subjects: 1942-   Beaver County  Herbarium  Mansfield, Ira Franklin,  Pennsylvania  Plants  
    BHL Collections: New York Botanical Garden
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