Authors: Olariaga, Ibai & Hansen, Karen
Journal: Karstenia, Volume 51 (2011), Issue 1, pages 1-16.
Doi: https://doi.org/10.29203/ka.2011.443
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Key words: Ascomycetes, Pezizales, Pyronomataceae, operculate discomycetes, vital taxonomy, biodiversity
Abstract: Pezizomycetes are poorly known in Sweden compared to the rest of the Nordic countries. Field inventories to improve the knowledge of Pezizomycetes in Sweden were therefore carried out during 2008-2010 in selected areas. Nine new or remarkable species are included in this first contribution, among which five are new to Sweden and two to the Nordic countries. Byssonectria fusispora has not previously been known or accepted in the Nordic countries. We compare it directly to B. terrestris using fresh material and give distinguishing characters.Chalazion sociabile is new to Sweden and this is the first report outside Norway. Three Scutellinia species are presented for the first time for Sweden, S. citrina, S. macrospora and S. torrentis. A deviant S. torrentis collection with larger and finely ornamented spores is described in detail and compared to other collections of S. torrentis (including an isolectotype) and S. superba. The report of S. superba is the second for Sweden. The first Nordic and second European record ofParatrichophaea michiganensis is presented. The genus Spooneromyces is reported for the first time in Sweden, with S. helveticus as new to the Nordic countries, and S. laeticolor new to Sweden. Detailed descriptions are provided, drawing attention to in vivo characters, with colour macro- and microscopic photos of the species. Species delimitations are discussed, and ecology and known distribution for each species are given.