Cortinarius gueneri: A new species from the Euro-Siberian Floristic Region of Turkey

Authors: Sesli, Ertugrul
Journal: Karstenia, Volume 59 (2021), Issue 1-2, pages 46–54.
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Key words: Agarics, Basidiomycota, Cortinariaceae, fungal diversity, new species

Abstract: Cortinarius gueneri (subgen. Telamonia sect. Laeti) is described as a new species from Turkey based on morphological and molecular data. It can be recognized by the somewhat irregular conical to campanulate, translucent-striate, rusty brown pileus; pale yellowish to cinnamon brown broadly attached lamellae; pale salmon to pinkish brown stipe; narrowly amygdaloid to ellipsoid basidiospores; and its putative association with Carpinus orientalis. Full description of the new species is given with field photos, microscopic illustrations, and a short discussion. Phylogenetic analysis of the internal transcribed spacer (ITS) region is also provided.