LITERATURE CITED
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- Tibell, L. 1984. A reappraisal of the taxonomy of Caliciales. Pp. 579–713. In: Beiträge zur Lichenologie. Festschrift J. Poelt. Beiheft zur Nova Hedwigia 79. Eds., H. Hertel and E Oberwinkler. J. Cramer, Vaduz.
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