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  1. By: Hawksworth, D. L. (David Leslie), - James, P.W. (Peter Wilfrid) 1930-2014
    Type: Article
    In: Cryptogamie. Bryologie, lichenologie
    Volume: 4
    Date: 1983
    Page Range: 169-173
    Publication Info: Paris, Laboratoire de cryptogamie, 1980-1998