Typification of Friesian names in Cortinarius sections Anomali, Spilomei, and Bolares, and description of two new species from northern Europe

• Seven commonly used Friesian names of Cortinarius sect. Anomali, Spilomei, and Bolares are discussed. Neotypes for C. anomalus, C. spilomeus, and C. bolaris, as well as epitypes for C. albocyaneus, C. caninus, and C. tabularis are proposed. The distinction of these six species is supported by both morphological and rDNA internal transcribed spacer (ITS) data, whereas C. azureus, as currently typified, is considered as a synonym of C. anomalus, but could also be considered as nomen dubium. Barcodes (ITS) and morphological descriptions based on materials from a broad geographical area in Europe are provided for each species. Furthermore, two new species, C. jonimitchelliae and C. pastoralis, from northern Europe are described. The latter is proposed to accommodate C. anomalus subsp. campestris, which has been described from treeless habitats with Helianthemum. Our study reveals that the subsp. campestris is not an intraspecific variety of C. anomalus, but an own species close to C. caninus, and has a much wider distribution and host range than earlier thought. An identification key for the species/sections included here is provided.

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NATURVETENSKAP  -- Biologi -- Mikrobiologi (hsv//swe)

NATURAL SCIENCES  -- Biological Sciences -- Microbiology (hsv//eng)

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