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New species of lichenicolous fungi occurring on Peltigera in Ecuador and Europe

Published online by Cambridge University Press:  01 September 1997

International Mycological Institute, Bakeham Lane, Egham, Surrey TW20 9TY, U.K.
Department of Plant Ecology and Nature Protection, University of Gdańsk, Al. Legionów 9, 80-441 Gdańsk, Poland
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A study of the lichenicolous fungi occurring on species of the lichenized genus Peltigera has resulted in six new species: Libertiella curvispora, L. didymospora, L. fennica Alstrup, Polycoccum superficiale, Roselliniella peltigericola, and Zwackhiomyces kiszkianus. A key to the five known species of Libertiella is included. This paper brings the number of fungi known on this host to 87, of which 61 are not known from any other host genus, providing additional evidence for the richness of Peltigera thalli as a host for novel fungi. The possible hypotheses to explain the richness of this host genus for lichenicolous fungi are enumerated; these are not mutually exclusive.

Research Article
The British Mycological Society 1997

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