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  1. Geographic variation in Bufo valliceps (Anura: Bufonidae), a widespread toad in the United States and Middle America / by Joseph R. Mendelson III.
    By: Mendelson, Joseph R. - University of Kansas.
    Publication info: Lawrence, Kan. :Natural History Museum, The University of Kansas,[1998]
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    Subjects: Bufonidae  Geographical distribution  Toads  Variation  
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  2. Systematics of the Bufo coccifer complex (Anura: Bufonidae) of Mesoamerica / by Joseph R. Mendelson III ... [et al.].
    By: Mendelson, Joseph R. - University of Kansas.
    Publication info: Lawrence, Kan. :Natural History Museum, University of Kansas,[2005]
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    Subjects: Bufonidae  Central America  Classification  Mexico  Toads  
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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