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By: Hawksworth, D. L. (David Leslie), - James, P.W. (Peter Wilfrid) 1930-2014Type: ArticleIn: Cryptogamie. Bryologie, lichenologieVolume: 4Series:Issue:Date: 1983Page Range: 169-173Publication Info: Paris, Laboratoire de cryptogamie, 1980-1998Subjects: