Cortinarius atroalbus M.M.Moser ve C. duracinobtusus Rob. Henry'nin (Basidiomycota, Cortinariaceae) Türkiye'deki varlığı Abstract: Basidiomata were collected during the field trips in 2012 and 2015 from Trabzon, Turkey and identified based on morphological data. As a result, Cortinarius atroalbus M. M. Moser and C. duracinobtusus Rob. Henry are recorded for the first time from Turkey and provided here with descriptions, figures and a short discussion. C. atroalbus has a conical, convex to applanate and umbonate; dark chestnut brown to blackish brown, hygrophanous pileus; adnate to nearly arcuate, pale brown to rusty brown crowded lamellae; cylindrical, slightly curved, silvery whitish to very pale brown stipe and ellipsoid, slightly verrucose basidiospores. C. duracinobtusus has a conical to campanulate with a typically broad and umbonate, brown, dark yellow to brown pileus; sub-decurrent to adnate, sparse, dark yellow to orange brown, smooth, moderately thick and regular lamellae; cylindrical, generally curved, sometimes hollow, orange brown to dark yellowish stipe and ellipsoid, slightly verrucose and granulate basidiospores.