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  1. Flora of Peru.
    By: Edwin, Gabriel.
    Publication info: Chicago,Field Museum of Natural History,1971.
    Contributed by: University of Illinois Urbana Champaign
    BHL Collections: Fieldiana: The Flora of Peru
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  2. Preliminary notes on the Scrophulariaceae of Peru.
    By: Edwin, Gabriel.
    Publication info: Chicago, Ill. :Field Museum of Natural History,1967.
    Contributed by: University of Illinois Urbana Champaign
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  3. Scrophulariaceae of Nevada : Part I. - Mimulus /
    By: Edwin, Gabriel.
    Publication info: Beltsville, Md. :Plant Industry Station,1955.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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  4. Scrophulariaceae of Nevada : Part II. The genera except Mimulus and Penstemon /
    By: Edwin, Gabriel.
    Publication info: Beltsville, Md. :Plant Industry Station,1959.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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