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  1. By: Yearsley, Kurtis H. - Rushforth, Samuel R - Johansen, Jeffrey R
    Type: Article
    In: The Great Basin naturalist
    Volume: 52
    Issue: 2
    Date: 1992
    Page Range: 131--138
    Publication Info: Provo, Utah, M.L. Bean Life Science Museum, Brigham Young University,
  2. By: Yearsley, Kurtis H. - St. Clair, Larry L. - Newberry, Clayton C.
    Type: Article
    In: Lichenographia Thomsoniana : North American lichenology in honor of John W. Thomson
    Date: 1998
    Page Range: 315--322
    Publication Info: Ithaca, NY, Mycotaxon, Ltd, 1998