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  1. The botany of the Roraima expedition of 1884 / by Everard F. im Thurn ; communicated by Sir J.D. Hooker.
    By: Im Thurn, Everard Ferdinand, - Hooker, Joseph Dalton,
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: Botanical illustration  Plants  Roraima, Mount  Scientific Expeditions  
    BHL Collections: New York Botanical Garden
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