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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Bien, Walter F. - Andrus, Richard E. (Richard Edward),
    Type: Article
    In: Evansia
    Volume: 16
    Issue: 1
    Date: 1999
    Page Range: 16--19
    Publication Info: Springfield, Mo American Bryological and Lichenological Society c1984-