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  1. By: Lendemer, James C. - Knapp, Wesley Martin
    Type: Article
    In: Opuscula philolichenum
    Volume: 4
    Date: 2007
    Page Range: 23--38
    Publication Info: Philadelphia J. Lendemer 2004-
  2. By: Knapp, Wesley M. - Estes, Dwayne
    Type: Article
    In: SIDA, contributions to botany
    Volume: 22
    Date: 2006
    Page Range: 825--829
    Publication Info: [Dallas, W. F. Mahler, etc.], 1962-
  3. By: McAvoy, William A. - Biechele, Lance T. - Knapp, Wesley M.
    Type: Article
    In: Evansia
    Volume: 23
    Issue: 1
    Date: 2006
    Page Range: 19--20
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-
  4. By: Sorrie, Bruce A. - Knapp, Wesley M. - Estes, Dwayne - Spaulding, Daniel D
    Type: Article
    In: Journal of the Botanical Research Institute of Texas
    Volume: 6
    Issue: 2
    Date: 2012
    Page Range: 323--329
    Publication Info: Fort Worth, Tex, Botanical Research Institute of Texas, 2007-