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  1. The filmy fern in Illinois.
    By: Evers, Robert A.
    Publication info: Urbana,1961.
    Contributed by: University of Illinois Urbana Champaign
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  2. Hill prairies of Illinois.
    By: Evers, Robert A. - Illinois.
    Publication info: Urbana,1955.
    Contributed by: University of Illinois Urbana Champaign
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  3. Some unusual natural areas in Illinois / Robert A. Evers and Lawrence M. Page.
    By: Evers, Robert A. - Page, Lawrence M.
    Publication info: Urbana :Illinois Natural History Survey,1977.
    Contributed by: University of Illinois Urbana Champaign
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  4. Some unusual natural areas in Illinois and a few of their plants.
    By: Evers, Robert A.
    Publication info: Urbana,1963.
    Contributed by: University of Illinois Urbana Champaign
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