Authors: Mathiassen, Geir & Granmo, Alfred & Rämä, Teppo
Journal: Karstenia, Volume 51 (2011), Issue 1, pages 17-22.
Doi: https://doi.org/10.29203/ka.2011.444
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Key words: Ascomycota, Xylariales, Hypoxylon macrosporum, Finland, distribution, ecology, host preference, taxonomy
Abstract: Hypoxylon macrosporum P. Karst. is recorded for the first time from Finland. It was found on different species of Salix in nine localities in the north of the country, in the biogeographical provinces of Enontekiön Lappi, Inarin Lappi and Kittilän Lappi in 1995, 1996 and 2002. We also report new finds in Norway representing the hitherto northernmost known limit for the species in Fennoscandia. Hypoxylon macrosporum has a wide distribution, but is infrequent outside Scandinavia. In addition to Norway and Sweden, the species is known from France, Switzerland, Russia (Kola Peninsula and eastern Siberia), Iceland, Greenland, western United States and western Canada.