Abstract
Cortinarius eucaeruleus is identified from central Black Sea region of Türkiye based on morphological characteristics and ribosomal DNA gene sequence analyses. This species was found on calcareous soil associated with Quercus in autumn season from Tokat province in Türkiye. It has distinctive morphological features such as strong and deep violaceous blue pileus, ellipsoid and densely verrucose spores. In addition to the morphological features, the ITS (internal transcribed spacer) and LSU (large subunit ribosomal) sequence analyses indicated that the studied specimen is C. eucaeruleus that is identified for the first time from Türkiye.
Highlights
Cortinarius (Pers.) Gray is the most diverse and speciesrich genus of macrofungi and contains a complex taxonomic system including several subgenera, sections and other infrageneric taxa (Kirk et al, 2008)
Due to difficulties in correct identification of Cortinarius species, the diagnosis and classification on these species should be supported by marker DNA sequences
Current studies focus on both morphological ad molecular data for accurate species delimitation and nomenclature of the Cortinarius species
Summary
Cortinarius (Pers.) Gray is the most diverse and speciesrich genus of macrofungi and contains a complex taxonomic system including several subgenera, sections and other infrageneric taxa (Kirk et al, 2008). Phlegmacium are ectomycorrhizal fungi associated with deciduous and coniferous trees and usually have a vivid colored basidiocarp (Garnica et al, 2003) They are nonhygrophanous and have a dry stipe and viscous or sticky pileus surface in moist conditions (Soop et al, 2019). This subgenus is divided into the sections and other infrageneric groups, primarily based on gill color, and veil color, pileus color, odor and the color change that occurs with alkaline chemicals (Moser, 1983; Garnica et al, 2003). Some species in this subgenus are widely distributed, while others may show limited distribution due to host specificity, the climate and soil requirements (Garnica et al, 2003; Liimatainen et al, 2014; Soop, 2014)
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