With around 2000 species, Cortinarius is the biggest genus of fungi that form mushrooms. Apart from a few species such as C. caperatus, many even so-called edible species appear to have very similar species that are at least inedible if not poisonous, or otherwise may differ in edibility geographically.
The following species are recognised in the genus Cortinarius:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
A
- Cortinarius aavae <small>Liimat. & Niskanen (2012)</small>
- Cortinarius abditus <small>Rob. Henry (1993)</small> â France
- Cortinarius aberrans <small>Rob. Henry (1952)</small> â France
- Cortinarius abietinus <small>(Velen.) J. Favre ex Bon (1986)</small>
- Cortinarius abjectus <small>Bidaud, Carteret & Reumaux (2013)</small>
- Cortinarius abnormis <small>Watling & T.W. May (1992)</small> â Western Australia
- Cortinarius absarokensis <small>M.M. Moser & McKnight (1987)</small> â US (Montana)
- Cortinarius absinthiacus <small>M.M. Moser (1975)</small> â Argentina
- Cortinarius acerbiformis <small>Reumaux (1992)</small> â France
- Cortinarius acerbus <small>M.M. Moser & E. Horak (1975)</small> â Argentina
- Cortinarius acetosus <small>(Velen.) Melot (1987)</small>
- Cortinarius achrous <small>E. Horak, Peintner, M.M. Moser & Vilgalys (2002)</small> â New Zealand
- Cortinarius achyrocephalus <small>Melot (1989)</small>
- Cortinarius aciegemmascens <small>Rob. Henry (1991)</small>
- Cortinarius acigemmascens <small>Rob. Henry (1970)</small> â France
- Cortinarius aciserratus <small>Rob. Henry (1988)</small>
- Cortinarius acutellus <small>Bidaud & Moënne-Locc. (2003)</small> â France
- Cortinarius acutibulbus <small>Chevassut & Rob. Henry (1982)</small> â France
- Cortinarius acutipapillatus <small>Gasparini (2014)</small>
- Cortinarius acutispissipes <small>Rob. Henry (1981)</small> â France
- Cortinarius acutoaltus <small>Chevassut & Rob. Henry (1982)</small> â France
- Cortinarius acutocephalus <small>Bidaud (1997)</small> â France
- Cortinarius acutoides <small>Peck (1910)</small>
- Cortinarius acutomammosus <small>Rob. Henry (1988)</small>
- Cortinarius acutopholiotoides <small>Palazón & Mahiques (2007)</small>
- Cortinarius acutoproximus <small>Liimat. & Niskanen (2022)</small>
- Cortinarius acutorum <small>Rob. Henry (1988)</small>
- Cortinarius acutovelatus <small>Rob. Henry (1988)</small>
- Cortinarius acutus <small>(Pers.) Fr. (1838)</small>
- Cortinarius adalbertii <small>J. Favre ex M.M. Moser (1980)</small>
- Cortinarius adarmeniacus <small>Rob. Henry (1970)</small>
- Cortinarius addamascenus <small>Rob. Henry (1983)</small>
- Cortinarius adfocalis <small>Rob. Henry (1989)</small>
- Cortinarius adobtusus <small>Rob. Henry (1968)</small>
- Cortinarius adrianae <small>Ovrebo, Ammirati, Dima & Liimat. (2022)</small>
- Cortinarius adustorimosus <small>Rob. Henry (1988)</small>
- Cortinarius adustus <small>Peck (1889)</small>
- Cortinarius aequalipes <small>Rob. Henry (1988)</small>
- Cortinarius aequatus <small>Rob. Henry (1952)</small>
- Cortinarius aereus <small>Rob. Henry (1952)</small>
- Cortinarius aerugineoconicus <small>E. Horak (1990)</small> - New Zealand
- Cortinarius afropurpurissimus <small>C. Sharp (2020)</small>
- Cortinarius aganochrous <small>E. Horak (1975)</small>
- Cortinarius agathosmus <small>Brandrud, H. Lindstr. & Melot (1989)</small>
- Cortinarius agnetis <small>Melot (1989)</small>
- Cortinarius ahsii <small>McKnight (1975)</small>
- Cortinarius aiacapiiae <small>Speg. (1887)</small>
- Cortinarius ainsworthii <small>Liimat. & Niskanen (2020)</small> â UK
- Cortinarius alaskaensis <small>Liimat. & Niskanen (2021)</small>
- Cortinarius albiceps <small>Murrill (1942)</small>
- Cortinarius albidifolius <small>Peck (1888)</small>
- Cortinarius albidiformis <small>Murrill (1946)</small>
- Cortinarius albidipes <small>Peck (1912)</small>
- Cortinarius albidoavellaneus <small>Kauffman & A.H. Sm. (1933)</small>
- Cortinarius albidodiscus <small>Bidaud & Fillion (1993)</small>
- Cortinarius albidofuscescens <small>Herp. (1912)</small>
- Cortinarius albidogriseus <small>Bidaud & Reumaux (1993)</small>
- Cortinarius albidulus <small>Murrill (1939)</small>
- Cortinarius albidus <small>Peck (1891)</small> â (North America)
- Cortinarius alboadustus <small>Bidaud (2012)</small>
- Cortinarius alboambitus <small>Niskanen, Liimat. & Ammirati (2013)</small>
- Cortinarius alboannulatus <small>Contu (2001)</small>
- Cortinarius albobrunnescens <small>Liimat. & Niskanen (2021)</small>
- Cortinarius albobrunneus <small>M.M. Moser (1975)</small>
- Cortinarius albobrunnoides <small>M.M. Moser (1975)</small>
- Cortinarius albocanus <small>(E. Horak & M.M. Moser) Peintner & M.M. Moser (2002)</small>
- Cortinarius albocinctus <small>M.M. Moser (1975)</small>
- Cortinarius albocyaneus <small>Fr. (1851)</small>
- Cortinarius albofimbriatus <small>Rob. Henry (1940)</small>
- Cortinarius albofulminescens <small>Rob. Henry (1992)</small>
- Cortinarius albogaudis <small>Kytöv., Niskanen & Liimat. (2009)</small>
- Cortinarius alboglobosus <small>Kytöv., Liimat., Niskanen & Ammirati (2014)</small>
- Cortinarius albolens <small>Bidaud, Carteret & Reumaux (2012)</small>
- Cortinarius albolutescens <small>Reumaux (2001)</small>
- Cortinarius alboluteus <small>Lebeuf, Andre Paul, Liimat., Niskanen & Ammirati (2018)</small>
- Cortinarius albomaculatus <small>Rob. Henry (1988)</small>
- Cortinarius albomalus <small>Liimat. & Niskanen (2021)</small>
- Cortinarius albonigrellus <small>J. Favre (1955)</small>
- Cortinarius albo-ochraceus <small>M.M. Moser (1975)</small>
- Cortinarius alboroseus <small>(R. Heim) Peintner, E. Horak, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius alborufescens <small>Imler (1955)</small>
- Cortinarius albosericeus <small>Ammirati, Beug, Liimat., Niskanen & O. Ceska (2016)</small>
- Cortinarius albovariegatus <small>(Velen.) Melot (1980)</small>
- Cortinarius albovestitus <small>Bidaud (2001)</small>
- Cortinarius alboviolaceus <small>(Pers.) Zawadzki (1835)</small> â silver-violet webcap (Europe)
- Cortinarius alcalisensibilis <small>(M.M. Moser) G. Garnier (1991)</small>
- Cortinarius alces <small>Niskanen & Liimat. (2021)</small>
- Cortinarius aleuriodor <small>Rob. Henry (1981)</small>
- Cortinarius aleuriolens <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius aleuriosmus <small>Maire (1910)</small> â Europe
- Cortinarius algonquinensis <small>Ammirati, Liimat. & Niskanen (2014)</small>
- Cortinarius alienatus <small>(E. Horak) G. Garnier (1991)</small>
- Cortinarius alkalivirens <small>Høil. & Watling (1990)</small>
- Cortinarius allutoides <small>Rob. Henry (1986)</small>
- Cortinarius allutus <small>Fr. (1838)</small>
- Cortinarius alneti <small>Bidaud (1996)</small>
- Cortinarius alneus <small>M.M. Moser (1967)</small>
- Cortinarius alnophilus <small>(M.M. Moser) Nespiak (1981)</small>
- Cortinarius alopecurus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius alpicola <small>(Bon) Bon (1992)</small>
- Cortinarius alpinus <small>Boud. (1895)</small>
- Cortinarius alter <small>Bidaud & Reumaux (2002)</small>
- Cortinarius alterplex <small>Reumaux (1996)</small>
- Cortinarius altissimus <small>E. Harrower & T.W. Henkel (2015)</small> â Guyana
- Cortinarius altomellitus <small>Rob. Henry (1985)</small>
- Cortinarius alutaceo-olivascens <small>Rob. Henry (1959)</small>
- Cortinarius alutaceopallens <small>(Rob. Henry) Bidaud (2009)</small>
- Cortinarius alutarius <small>KaÃ
Âucka & Liimat. (2021)</small>
- Cortinarius amanitopsidoides <small>Rob. Henry (1995)</small>
- Cortinarius amarellus <small>Bidaud & Reumaux (1993)</small>
- Cortinarius amarissimus <small>Murrill (1946)</small>
- Cortinarius amarocaerulescens <small>Bidaud (2009)</small>
- Cortinarius amarus <small>Peck (1880)</small>
- Cortinarius amazonicus <small>Singer & I.J.A. Aguiar (1983)</small>
- Cortinarius ambiens <small>Rob. Henry (1956)</small>
- Cortinarius amblyonis <small>Soop (2016)</small>
- Cortinarius americanospilomeus <small>Liimat. & Niskanen (2021)</small>
- Cortinarius americanus <small>A.H. Sm. (1934)</small>
- Cortinarius amici-mei <small>Reumaux (2016)</small>
- Cortinarius amigochrous <small>Kühner (1989)</small>
- Cortinarius ammiratii <small>Liimat. & Niskanen (2014)</small>
- Cortinarius ammoniacosplendens <small>Chevassut & Rob. Henry (1978)</small>
- Cortinarius ammophiloides <small>Bohus (1979)</small>
- Cortinarius amoenus <small>(M.M. Moser & E. Horak) G. Garnier (1991)</small>
- Cortinarius amurceus <small>Fr. (1838)</small>
- Cortinarius anauensis <small>Soop (2001)</small>
- Cortinarius andreae <small>H. Lindstr. (1999)</small>
- Cortinarius anfractoides <small>Rob. Henry & Trescol (1987)</small>
- Cortinarius anfractus <small>Fr. (1838)</small>
- Cortinarius angelesianus <small>A.H. Sm. (1944)</small>
- Cortinarius angustilamellatus <small>Herp. (1912)</small>
- Cortinarius angustisporus <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius anisatus <small>H. Lindstr., Kytöv. & Niskanen (2005)</small>
- Cortinarius anisochrous <small>Kytöv., Liimat., Niskanen & H. Lindstr. (2013)</small> â Europe
- Cortinarius anisodorus <small>(E. Horak) Peintner & M.M. Moser (2002)</small>
- Cortinarius annae-maritae <small>Bendiksen & Brandrud (2015)</small>
- Cortinarius annulatus <small>Peck (1890)</small>
- Cortinarius anocorium <small>Liimat. & Niskanen (2021)</small>
- Cortinarius anomalellus <small>Soop (1999)</small>
- Cortinarius anomalobrunneus <small>Corrales, Ovrebo, Ammirati, Dima & Liimat. (2022)</small>
- Cortinarius anomalodelicatus <small>Ammirati, Liimat., Niskanen & Dima (2021)</small>
- Cortinarius anomalomontanus <small>Ammirati, Liimat., Niskanen & Dima (2021)</small>
- Cortinarius anomalopacificus <small>Bojantchev, Liimat., Niskanen, Dima & Ammirati (2021)</small>
- Cortinarius anomalovelatus <small>Ammirati, Berbee, E. Harrower, Liimat. & Niskanen (2014)</small>
- Cortinarius anomalus <small>(Fr.) Fr. (1838)</small>
- Cortinarius anserinus <small>(Velen.) Rob. Henry (1986)</small> â Europe
- Cortinarius antarcticus <small>Speg. (1887)</small> â Europe
- Cortinarius anthracinicolor <small>Reumaux (2001)</small> â Europe
- Cortinarius anthracinus <small>(Fr.) E. Berger (1846)</small>
- Cortinarius anuliferus <small>M.M. Moser (1975)</small>
- Cortinarius apius <small>Y. Lamoureux, Liimat. & Niskanen (2021)</small>
- Cortinarius apomorphus <small>Rob. Henry (1989)</small>
- Cortinarius appalachiensis <small>K.W. Hughes, E. Harrower, Ammirati, Niskanen & Liimat. (2014)</small>
- Cortinarius appennini <small>Consiglio, D. Antonini & M. Antonini (2005)</small>
- Cortinarius aprinus <small>Melot (1989)</small>
- Cortinarius aptecohaerens <small>Rob. Henry (1983)</small>
- Cortinarius aquosus <small>Bidaud & Fillion (2005)</small>
- Cortinarius arachnoideus <small>(Krombh.) Bidaud, Moënne-Locc. & Reumaux (1996)</small>
- Cortinarius araneosovolvatus <small>(Bon & Gaugué) Melot (1989)</small>
- Cortinarius araniiti <small>Soop (2014)</small>
- Cortinarius arcabucensis <small>M.M. Moser (1975)</small>
- Cortinarius arcanus <small>G. Moreno, Heykoop & E. Horak (2005)</small>
- Cortinarius archeri <small>Berk. (1859)</small> â Australia
- Cortinarius arcifolius <small>Rob. Henry (1936)</small> â Europe
- Cortinarius ardesiacus<small>Gasparini (2008)</small> â Australia
- Cortinarius aremoricus <small>Rob. Henry (1985)</small>
- Cortinarius argentatus <small>(Pers.) Fr. (1838)</small>
- Cortinarius argenteobovinus <small>Armada & J.D. Reyes (2021)</small>
- Cortinarius argenteocrinitus <small>Rob. Henry (1984)</small>
- Cortinarius argenteohygrophanus <small>M.M. Moser (1975)</small>
- Cortinarius argenteopileatus <small>Nezdojm. (1983)</small>
- Cortinarius argentostriaepes <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius argentum-silvae <small>Melot (1989)</small>
- Cortinarius argillaceoincarnatus <small>Rob. Henry (1956)</small>
- Cortinarius argillohygrophanicus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius argillopallidus <small>Jul. Schäff. (1947)</small>
- Cortinarius argutiformis <small>Rob. Henry (1961)</small>
- Cortinarius argutipes <small>Bidaud & Reumaux (1996)</small>
- Cortinarius argyronotus <small>Bidaud (2008)</small>
- Cortinarius argyrophilus <small>Rob. Henry (1952)</small>
- Cortinarius aridus <small>M.M. Moser (1975)</small>
- Cortinarius armeniacellus <small>Rob. Henry (1988)</small>
- Cortinarius armeniacovelatus <small>(Bougher, Fuhrer & E. Horak) Peintner, E. Horak, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius armeniacus <small>(Schaeff.) Zawadzki (1835)</small>
- Cortinarius armentaceus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius armillariellus <small>Rob. Henry (1940)</small>
- Cortinarius armillariopsis <small>Rob. Henry (1970)</small>
- Cortinarius armillatoazureus <small>Bidaud & Fillion (2004)</small>
- Cortinarius armillatus <small>(Fr.) Fr. (1838)</small> â bracelet cortinar (North America)
- Cortinarius arnoldae <small>Murrill (1940)</small>
- Cortinarius aromaticus <small>(Velen.) Reumaux (2002)</small>
- Cortinarius aromatizans <small>Bidaud & Reumaux (2004)</small>
- Cortinarius arquatus <small>(Alb. & Schwein.) Fr. (1838)</small>
- Cortinarius arvinaceoides <small>Bidaud (2000)</small>
- Cortinarius arvinaceus <small>Fr. (1838)</small>
- Cortinarius asper <small>Peck (1872)</small>
- Cortinarius assiduus <small>Mahiques, A. Ortega & Bidaud (2001)</small>
- Cortinarius athabascus <small>Bojantchev (2013)</small> â North America
- Cortinarius atkinsiae <small>Matheny, Ammirati, Liimat. & Niskanen (2021)</small>
- Cortinarius atkinsonianus <small>Kauffman (1905)</small>
- Cortinarius atratus <small>(Rodway) Gasparini (2014)</small>
- Cortinarius atrialbus <small>Murrill (1945)</small>
- Cortinarius atribadius <small>Murrill (1945)</small>
- Cortinarius atroacutus <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius atroalbus <small>M.M. Moser (1993)</small>
- Cortinarius atrocaeruleus <small>M.M. Moser (1967)</small>
- Cortinarius atrocinereus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius atrocoeruleoides <small>Bidaud (2013)</small>
- Cortinarius atrofuscus <small>(Velen.) Reumaux (1982)</small>
- Cortinarius atrolazulinus <small>M.M. Moser (1987)</small> â New Zealand
- Cortinarius atropileatus <small>A.R. Nilsen & Orlovich (2018)</small> â New Zealand
- Cortinarius atropurpureus <small>(E. Horak) Kuhn.-Fink. & Peintner (2003)</small>
- Cortinarius atropusillus <small>J. Favre (1960)</small>
- Cortinarius atrotomentosus <small>E. Harrower (2015)</small> â US (Florida)
- Cortinarius atroviolaceus <small>M.M. Moser (1987)</small>
- Cortinarius atrox <small>Reumaux (2013)</small>
- Cortinarius attenuatus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius auchmerus <small>M.M. Moser (2002)</small>
- Cortinarius aurae <small>Niskanen & Liimat. (2020)</small> â UK
- Cortinarius aurantiacoides <small>Reumaux (1982)</small>
- Cortinarius aurantiellus <small>(E. Horak) G. Garnier (1991)</small>
- Cortinarius aurantiobasis <small>Ammirati & A.H. Sm. (1977)</small> â edible, but deadly look-alikes (C. gentilis)
- Cortinarius aurantiocaeruleus <small>M.M. Moser (2002)</small>
- Cortinarius aurantioferreus <small>Soop (2001)</small>
- Cortinarius aurantiofulvus <small>Hongo (1962)</small>
- Cortinarius aurantiolamellatus <small>E. Ludw. & A. Kasparek (2017)</small>
- Cortinarius aurantiolamellatus <small>E. Ludw. & A. Kasparek (2017)</small>
- Cortinarius aurantiorufus <small>Bidaud (2001)</small>
- Cortinarius aurantiosplendidus <small>Carteret & Reumaux (2008)</small>
- Cortinarius aurantiotinctus <small>Bidaud (2001)</small>
- Cortinarius aurantiovillosus <small>M.M. Moser (1975)</small>
- Cortinarius aurantius <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius aurasiacus <small>Pat. (1902)</small>
- Cortinarius auratior <small>Rob. Henry (1989)</small>
- Cortinarius aureifolius <small>Peck (1885)</small> â edible, but deadly look-alikes (C. gentilis)
- Cortinarius aureobasalis <small>Bidaud & Carteret (2013)</small>
- Cortinarius aureobrunneus <small>Hongo (1978)</small>
- Cortinarius aureobtusus <small>Rob. Henry (2003)</small>
- Cortinarius aureoluteus <small>Bidaud (2001)</small>
- Cortinarius aureomarginatus <small>A. Pearson ex P.D. Orton (1984)</small>
- Cortinarius aureomyceliosus <small>Bidaud (2013)</small>
- Cortinarius aureopigmentatus <small>Ammirati, Halling & Garnica (2007)</small>
- Cortinarius aureovelatus <small>Bendiksen, K. Bendiksen & H. Lindstr. (2008)</small>
- Cortinarius auroripes <small>Carteret & Reumaux (2001)</small>
- Cortinarius austroacutus <small>M.M. Moser (1975)</small>
- Cortinarius austroalbidus <small>Cleland & J.R. Harris (1948)</small>
- Cortinarius austroamericanus <small>San-Fabian, Niskanen & Liimat. (2018)</small>
- Cortinarius austrocausticus <small>Gasparini (2007)</small>
- Cortinarius austrocinnabarinus <small>R.H. Jones & T.W. May (2008)</small> â Australia
- Cortinarius austroclaricolor <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius austroevernius <small>Cleland & Cheel (1918)</small>
- Cortinarius austronanceiensis <small>(M.M. Moser) G. Garnier (1991)</small>
- Cortinarius austropacificus <small>E. Horak, Peintner, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius austropallescens <small>Grgur. (1997)</small>
- Cortinarius austrorapaceus <small>Soop (2016)</small>
- Cortinarius austrosalor <small>M.M. Moser (1975)</small>
- Cortinarius austroserarius <small>M.M. Moser (1975)</small>
- Cortinarius austrotorvus <small>Gasparini (2008)</small> â Australia
- Cortinarius austrovenetus <small>Cleland (1928)</small> - also known as Dermocybe austroveneta Green Skin-head Australia
- Cortinarius austroviolaceus <small>Gasparini (2001)</small> - Australia
- Cortinarius autumnalis <small>Peck (1872)</small>
- Cortinarius avellaneocoeruleus <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius avellaneus <small>M.M. Moser (1975)</small>
- Cortinarius avellanofulvus <small>Rob. Henry (1968)</small>
- Cortinarius ayanamii <small>A. Ortega, Vila, Bidaud & Llimona (2000)</small>
- Cortinarius azureocaninus <small>Rob. Henry (1989)</small>
- Cortinarius azureolamellatus <small>C. Sharp (2020)</small>
- Cortinarius azureopallens <small>Rob. Henry (1992)</small>
B
- Cortinarius bacillifer <small>E.H.L. Krause (1928)</small>
- Cortinarius badioferrugineus <small>E. Horak, Peintner, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius badioflammescens <small>Rob. Henry (1983)</small>
- Cortinarius badioflavidus <small>Herp. (1912)</small>
- Cortinarius badioflavus <small>Herp. (1912)</small>
- Cortinarius badiolaevis <small>Niskanen, Liimat., Mahiques, Ballarà& Kytöv. (2011)</small>
- Cortinarius badiolatus <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius badiorufus <small>Bidaud, Moënne-Locc. & Reumaux (2001)</small>
- Cortinarius badiovestitus <small>M.M. Moser (1968)</small>
- Cortinarius badiovinaceus <small>M.M. Moser (1965)</small>
- Cortinarius badius <small>Peck (1888)</small>
- Cortinarius balaustinoides <small>Rob. Henry (1956)</small>
- Cortinarius balaustinus <small>Fr. (1838)</small>
- Cortinarius balteatoscauroides <small>Rob. Henry (1958)</small>
- Cortinarius bambrus <small>Grgur. (1997)</small>
- Cortinarius barlowensis <small>Ammirati, Berbee, E. Harrower, Liimat. & Niskanen (2014)</small>
- Cortinarius basalis <small>Peck (1883)</small>
- Cortinarius basibulbosus <small>Cleland & J.R. Harris (1948)</small>
- Cortinarius basicyaneus <small>Rob. Henry & Trescol ex Bidaud & Eyssart. (2004)</small>
- Cortinarius basililaceus <small>A. Pearson ex P.D. Orton (1984)</small>
- Cortinarius basipurpureus <small>(Bougher) Peintner & M.M. Moser (2002)</small>
- Cortinarius basiroseus <small>A. Pearson ex P.D. Orton (1984)</small>
- Cortinarius basirubescens <small>Cleland & J.R. Harris (1948)</small>
- Cortinarius basitinctus <small>Rob. Henry (1970)</small>
- Cortinarius basivelatus <small>Rob. Henry (1977)</small>
- Cortinarius bataillei <small>(J. Favre ex M.M. Moser) Høil. (1984)</small>
- Cortinarius batschii <small>(Humb.) Melot (1995)</small>
- Cortinarius bayeri <small>(Velen.) Moënne-Locc. & Reumaux (1989)</small>
- Cortinarius beeverorum <small>Orlovich, X.Yue Wang & T. Lebel (2014)</small> â New Zealand
- Cortinarius belleri <small>M.M. Moser (1983)</small>
- Cortinarius bellus <small>E. Horak (1990)</small> - New Zealand
- Cortinarius benovairensis <small>Mahiques (2004)</small>
- Cortinarius bergeronii <small>(Melot) Melot (1992)</small>
- Cortinarius betuletorum <small>M.M. Moser (1967)</small>
- Cortinarius betulinus <small>J. Favre (1948)</small>
- Cortinarius bibulus <small>Quél. (1881)</small>
- Cortinarius bidiscendus <small>Rob. Henry (1985)</small>
- Cortinarius biformis <small>Fr. (1838)</small>
- Cortinarius biodoratus <small>Bidaud & M. Renard (2014)</small>
- Cortinarius birchfieldii <small>Murrill (1952)</small>
- Cortinarius biriensis <small>Brandrud & Dima (2016)</small>
- Cortinarius birkebakii <small>Ammirati, Niskanen & Liimat. (2014)</small>
- Cortinarius bisporus <small>Ballero, Contu & Poli (1995)</small>
- Cortinarius bistreoides <small>Kauffman (1923)</small>
- Cortinarius biveloides <small>Rob. Henry (1948)</small>
- Cortinarius bivelosimilis <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius bivelus <small>(Fr.) Fr. (1838)</small>
- Cortinarius blandulus <small>Britzelm. (1885)</small>
- Cortinarius blatensis <small>Pilát (1953)</small>
- Cortinarius bohemicus <small>Carteret & Reumaux (2010)</small>
- Cortinarius bolaris <small>(Pers.) Zawadzki (1835)</small>
- Cortinarius bolbitioides <small>Rob. Henry (1984)</small>
- Cortinarius bombycinus <small>Mahiques & Burguete (2001)</small>
- Cortinarius bonachei <small>J.D. Reyes (2021)</small>
- Cortinarius bonamei <small>Rob. Henry (1970)</small>
- Cortinarius bongardiodor <small>Rob. Henry (1986)</small>
- Cortinarius borealis <small>Bidaud (2005)</small>
- Cortinarius boreasensis <small>A.H. Sm. (1944)</small>
- Cortinarius boreotrichus <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius boudieri <small>Rob. Henry (1936)</small>
- Cortinarius boulderensis <small>A.H. Sm. (1944)</small>
- Cortinarius bovarius <small>Liimat. & Niskanen (2013)</small>
- Cortinarius bovinaster <small>Niskanen, Kytöv. & Liimat. (2013)</small> â Europe
- Cortinarius bovinatus <small>Kytöv., Liimat., Niskanen & H. Lindstr. (2013)</small>
- Cortinarius bovinellus <small>M.M. Moser (1968)</small>
- Cortinarius bovinoides <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius bovinus <small>Fr. (1838)</small> â Europe
- Cortinarius boyacensis <small>Singer (1963)</small>
- Cortinarius boy-scoutorum <small>Bouriquet (1946)</small>
- Cortinarius brachyspermus <small>Peintner & M.M. Moser (2002)</small>
- Cortinarius braendlei <small>Peck (1905)</small>
- Cortinarius brassicolens <small>Melot (1981)</small>
- Cortinarius bresadolanus <small>Moënne-Locc. & Reumaux (1995)</small>
- Cortinarius brevipes <small>Peck (1888)</small>
- Cortinarius breviradicatus <small>Miyauchi & Fujimoto (2007)</small>
- Cortinarius brevirobustus <small>C. Sharp (2020)</small>
- Cortinarius brevisporus <small>M.M. Moser (1975)</small>
- Cortinarius brevissimus <small>Peck (1888)</small>
- Cortinarius bridgei <small>Ammirati, Niskanen, Liimat., Bojantchev & L. Fang (2017)</small>
- Cortinarius britannicus <small>Liimat. & Niskanen (2020)</small> â UK
- Cortinarius britzelmayrii <small>Reumaux (2000)</small>
- Cortinarius brosselini <small>Joachim (1938)</small>
- Cortinarius brunneifolius <small>Kytöv., Niskanen & Liimat. (2008)</small>
- Cortinarius brunneoaffinis <small>Bidaud (2013)</small>
- Cortinarius brunneoalbus <small>Ammirati, Liimat. & Niskanen (2015)</small>
- Cortinarius brunneocalcarius <small>Niskanen, Liimat. & Kytöv. (2012)</small>
- Cortinarius brunneocarpus <small>Razaq & Khalid (2019)</small>
- Cortinarius brunneofibrillosus <small>Ammirati, Beug, Niskanen, Liimat. & Bojantchev (2021)</small>
- Cortinarius brunneofulvus <small>Fr. (1838)</small>
- Cortinarius brunneolimosus <small>A. Pearson (1951)</small>
- Cortinarius brunneo-olivaceus <small>Bidaud, Carteret, Reumaux & Moënne-Locc. (2012)</small>
- Cortinarius brunneo-olivascens <small>M.M. Moser (1975)</small>
- Cortinarius brunneoperonatus <small>Liimat. & Niskanen (2021)</small>
- Cortinarius brunneorubripes <small>Melot (1992)</small>
- Cortinarius brunneotinctus <small>Niskanen, Liimat., Ammirati, André Paul & Lebeuf (2012)</small>
- Cortinarius brunneovelatus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius brunneovernus <small>Niskanen, Liimat. & Ammirati (2013)</small>
- Cortinarius brunneovirescens <small>M.M. Moser (1975)</small>
- Cortinarius brunneovolvatus <small>A. Mateos & J.D. Reyes (2021)</small>
- Cortinarius brunneus <small>(Pers.) Fr. (1838)</small>
- Cortinarius bubulus <small>Liimat., Kytov. & Niskanen (2020)</small>
- Cortinarius bulbopodius <small>(Chevassut & Rob. Henry) Bidaud & Reumaux (2004)</small>
- Cortinarius bulbosoides <small>Bidaud & Carteret (2010)</small>
- Cortinarius bulbosomustellinus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius bulbosus <small>(Sowerby) Gray (1821)</small>
- Cortinarius bulboviolascens <small>Rob. Henry (1997)</small>
- Cortinarius bulbulipes <small>Rob. Henry (1989)</small>
- Cortinarius bulliardii <small>(Pers.) Fr. (1838)</small>
- Cortinarius bulliardioides <small>Rob. Henry (1956)</small>
- Cortinarius bundarus <small>Grgur. (1989)</small>
C
- Cortinarius cabrinii <small>(Raithelh.) Peintner & M.M. Moser (2002)</small> â Argentina
- Cortinarius cacainus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius cacaocolor <small>A.H. Sm. (1944)</small>
- Cortinarius cadaverolens <small>Moënne-Locc. & Reumaux (2002)</small> â France
- Cortinarius cadi-aguirrei <small>Garrido-Ben., BallarÃÂ & Mahiques (2015)</small>
- Cortinarius caelicolor <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius caeruleoanomalus <small>Dima, Matheny, K. Hughes & Ammirati (2021)</small>
- Cortinarius caeruleoeburneus <small>Gasparini (2007)</small> â Australia
- Cortinarius caeruleo-ochrascens <small>Chevassut & Rob. Henry (1975)</small> â France
- Cortinarius caerulescens <small>(Schaeff.) Fr. (1838)</small> â mealy bigfoot webcap
- Cortinarius caesiifolius <small>A.H. Sm. (1939)</small> â US
- Cortinarius caesioarmeniacus <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius caesiobrunneus <small>Kytöv., Niskanen & Liimat. (2009)</small> â Finland
- Cortinarius caesiocanescens <small>M.M. Moser (1952)</small> â Austria
- Cortinarius caesionigrellus <small>Lamoure (1978)</small> â France
- Cortinarius caesiopallens <small>P. Karst. (1905)</small>
- Cortinarius caesiopallescens <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius caesiostramenius <small>Rob. Henry (1939)</small>
- Cortinarius cagei <small>Melot (1990)</small>
- Cortinarius calaisopus <small>Soop (2013)</small>
- Cortinarius calcialpinus <small>Senn-Irlet (2012)</small>
- Cortinarius calcofractus <small>Liimat. & Niskanen (2022)</small>
- Cortinarius californicus <small>A.H. Sm. (1939)</small>
- Cortinarius caliginosus <small>Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius calopus <small>P. Karst. (1881)</small>
- Cortinarius calosporus <small>(M. Zang) Peintner, M.M. Moser, E. Horak & Vilgalys (2002)</small>
- Cortinarius calyculatus <small>M.M. Moser (1952)</small>
- Cortinarius calyptophaeus <small>Rob. Henry (1984)</small>
- Cortinarius campanulatus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius campanulobtusus <small>(Berk. & Broome ex Zeller & C.W. Dodge) Peintner & M.M. Moser (2002)</small>
- Cortinarius campbelliae <small>(Berk. & Broome ex Zeller & C.W. Dodge) Peintner & M.M. Moser (2002)</small>
- Cortinarius campester <small>Reumaux (2001)</small>
- Cortinarius campestris <small>Murrill (1945)</small>
- Cortinarius camphoratus <small>(Fr.) Fr. (1838)</small>
- Cortinarius campinaranae <small>Singer & I.J.A. Aguiar (1983)</small>
- Cortinarius campoi <small>Speg. (1921)</small>
- Cortinarius canaliculatus <small>Rob. Henry ex Bidaud & Carteret (2008)</small>
- Cortinarius canarius <small>(E. Horak) G. Garnier (1991)</small>
- Cortinarius candelariopsis <small>Rob. Henry (1970)</small>
- Cortinarius candicans <small>(Velen.) Moënne-Locc. & Reumaux (1990)</small>
- Cortinarius candidus <small>Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius candolleanoides <small>Rob. Henry (1970)</small>
- Cortinarius canens <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius canescens <small>Peck (1889)</small>
- Cortinarius caninoides <small>Rob. Henry (1985)</small>
- Cortinarius caninus <small>(Fr.) Fr. (1838)</small>
- Cortinarius canovestitus <small>Soop (2014)</small>
- Cortinarius caperatoides <small>Bidaud & Reumaux (2010)</small>
- Cortinarius caperatus <small>((Pers.) Fr. (1838)</small> - gypsy mushroom (Europe, North America)
- Cortinarius capillosus <small>Rob. Henry (1981)</small>
- Cortinarius capitellinus <small>E. Horak (1975)</small>
- Cortinarius capraginicolor <small>Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius capsicosmus <small>Gasparini (2007)</small>
- Cortinarius carabus <small>Kytöv., Niskanen & Liimat. (2009)</small>
- Cortinarius carbonipes <small>Bidaud, Carteret & Reumaux (2012)</small>
- Cortinarius carbunculus <small>H. Lindstr. & H. Markl. (2012)</small>
- Cortinarius cardinalis <small>(E. Horak) G. Garnier (2011)</small>
- Cortinarius carneipallidus <small>E. Harrower & E. Horak (2015)</small> â New Zealand
- Cortinarius carneoalbus <small>M.M. Moser (1975)</small>
- Cortinarius carneocrassus <small>M.M. Moser (1975)</small>
- Cortinarius carneolus <small>(E. Horak) Peintner & M.M. Moser (2002)</small>
- Cortinarius carneoroseus <small>(E. Horak) G. Garnier (2011)</small>
- Cortinarius carpinamicus <small>Rob. Henry (1989)</small>
- Cortinarius carranzae <small>Ammirati, Halling & Garnica (2007)</small>
- Cortinarius cartagoensis <small>Ammirati, Liimat., Niskanen, Halling & J. Carranza (2014)</small>
- Cortinarius cartilagineus <small>(G. Cunn.) Peintner & M.M. Moser (2002)</small>
- Cortinarius caryotoides <small>Soop & J.A. Cooper (2018) Aotearoa New Zealand </small>
- Cortinarius cascadensis <small>Ammirati & A.H. Sm. (1978)</small>
- Cortinarius casimirii <small>(Velen.) Huijsman (1955)</small>
- Cortinarius castaneiceps <small>E. Horak (1990)</small>
- Cortinarius castanellus <small>Peck (1878)</small>
- Cortinarius castaneodiscus <small>(E. Horak) G. Garnier (1991)</small>
- Cortinarius castaneoduracinus <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius castaneofulvus <small>Cleland (1928)</small>
- Cortinarius castaneoides <small>Peck (1872)</small>
- Cortinarius castaneolens <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius castaneopallens <small>Rob. Henry (1981)</small>
- Cortinarius castaneopallidus <small>Carteret (2004)</small>
- Cortinarius castaneus <small>(Bull.) Fr. (1838)</small>
- Cortinarius catalanensis <small>BallarÃÂ , Mahiques & Garrido-Benavent (2019)</small>
- Cortinarius catalaunicus <small>Melot (1989)</small>
- Cortinarius catarracticus <small>Gasparini (2004)</small> - Australia
- Cortinarius catervatus <small>M.M. Moser (1975)</small>
- Cortinarius catskillensis <small>Peck (1872)</small>
- Cortinarius cauquenensis <small>Garrido (1988)</small>
- Cortinarius cavipes <small>J. Favre (1955)</small>
- Cortinarius cedriodor <small>Bidaud (2010)</small>
- Cortinarius cedriolens <small>M.M. Moser (1967)</small>
- Cortinarius cedriosmus <small>Bidaud (2010)</small>
- Cortinarius centrirufus <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius centroguttatus <small>E. Horak (1995)</small>
- Cortinarius cephalixus <small>Secr. ex Fr. (1838)</small>
- Cortinarius cepistipes <small>A. Favre & P.-A. Moreau (2001)</small>
- Cortinarius ceraceus <small>M.M. Moser (1967)</small>
- Cortinarius cereifolius <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius cervarius <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius cervinicolor <small>Rob. Henry (1981)</small>
- Cortinarius cervinoporphyreus <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius cesarioanus <small>A.R. Nilsen & Orlovich (2021)</small> â New Zealand
- Cortinarius ceskarum <small>Ammirati, Niskanen & Liimat. (2014)</small>
- Cortinarius chamaeleon <small>Melot (1989)</small>
- Cortinarius chamaesalicis <small>Bon (1985)</small>
- Cortinarius chevassutii <small>Rob. Henry (1982)</small>
- Cortinarius choloides <small>E. Horak (1975)</small>
- Cortinarius chromobasis <small>Høil. & Watling (1990)</small>
- Cortinarius chrysenteron <small>Rob. Henry (1969)</small>
- Cortinarius chrysma <small>Soop (1998)</small> â New Zealand
- Cortinarius chrysochalybdeus <small>Gasparini (2007)</small>
- Cortinarius chrysoconius <small>Soop (2016)</small>
- Cortinarius chrysolitus <small>Kauffman (1915)</small>
- Cortinarius chrysomallus <small>Lamoure (1977)</small>
- Cortinarius chrysophaeus <small>E. Horak (1975)</small>
- Cortinarius chrysophthalmus <small>(M.M. Moser) G. Garnier (1991)</small>
- Cortinarius chrysopocos <small>Gasparini (2007)</small>
- Cortinarius chusqueae <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius cicindela <small>Kytöv., Niskanen & Liimat. (2009)</small>
- Cortinarius cineraceus <small>Rob. Henry (1985)</small>
- Cortinarius cinereobrunneolus <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius cinereobrunneus <small>M.M. Moser (1975)</small>
- Cortinarius cinereoolivaceus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius cinereus <small>Gray (1821)</small>
- Cortinarius cingulatus <small>(Velen.) Rob. Henry (1945)</small>
- Cortinarius cinnabarinus <small>Fr. (1838)</small>
- Cortinarius cinnamofulvus <small>Rob. Henry (1988)</small>
- Cortinarius cinnamomeoides <small>Hongo (1965)</small>
- Cortinarius cinnamomeoluteus <small>P.D. Orton (1960)</small> â edible, but deadly look-alikes (C. gentilis)
- Cortinarius cinnamomeus <small>(L.) Gray (1821)</small> â also known as Dermocybe cinnamomea (Europe, North America), may be edible, but has deadly look-alikes (C. gentilis)
- Cortinarius cinnamophyllus <small>M.M. Moser (1975)</small>
- Cortinarius cinnamostriatulus <small>Rob. Henry (1968)</small>
- Cortinarius cinnamoviolaceus <small>M.M. Moser (1968)</small>
- Cortinarius circinans <small>Rob. Henry (1985)</small>
- Cortinarius cisqhale <small>Bojantchev (2013)</small> â North America
- Cortinarius cistohelvelloides <small>Bon (1992)</small>
- Cortinarius cistophilus <small>Rob. Henry & Contu (1989)</small>
- Cortinarius cistopulchripes <small>Bidaud (2004)</small>
- Cortinarius cistovelatus <small>Vila, A. Ortega & Bidaud (2009)</small>
- Cortinarius citocyaneus <small>Rob. Henry (1983)</small>
- Cortinarius citreisporus <small>Bidaud & Fillion (2000)</small>
- Cortinarius citribasalis <small>Soop (2018) - Aotearoa New Zealand</small>
- Cortinarius citrinellus <small>Kauffman (1923)</small>
- Cortinarius citriniceps <small>Murrill (1946)</small>
- Cortinarius citrinoflavus <small>Bidaud & Moënne-Locc. (2000)</small>
- Cortinarius citrinofulvescens <small>M.M. Moser (2001)</small>
- Cortinarius citrino-olivaceus <small>M.M. Moser (1952)</small>
- Cortinarius citrinophyllus <small>Piane (1956)</small>
- Cortinarius citrinopigmentosus <small>M.M. Moser (1975)</small>
- Cortinarius citrinovirens <small>Rob. Henry (1987)</small>
- Cortinarius clackamasensis <small>Ammirati, Liimat., Niskanen & Dima (2021)</small>
- Cortinarius citrinovirens <small>Rob. Henry (1987)</small>
- Cortinarius clandestinus <small>Kauffman (1932)</small>
- Cortinarius claricolor <small>(Fr.) Fr. (1838)</small> â eaten in Europe, unknown edibility in North America
- Cortinarius clarisordidus <small>Niskanen, Kytov. & Liimat. (2020)</small>
- Cortinarius clarobrunneus <small>(H. Lindstr. & Melot) Niskanen, Kytöv. & Liimat. (2009)</small>
- Cortinarius claroplaniusculus <small>Rob. Henry (1983)</small>
- Cortinarius claroturmalis <small>Rob. Henry (1987)</small>
- Cortinarius claviceps <small>Reumaux (1996)</small>
- Cortinarius clavipes <small>Rob. Henry (1956)</small>
- Cortinarius clelandii <small>A.H. Sm. (1944)</small>
- Cortinarius clintonianus <small>Peck (1873)</small>
- Cortinarius coartatus <small>E. Horak (1975)</small>
- Cortinarius coccineus <small>Reumaux (1994)</small>
- Cortinarius codinae <small>Maire (1937)</small>
- Cortinarius codonius <small>Rob. Henry (1988)</small>
- Cortinarius codonoides <small>Rob. Henry (1983)</small>
- Cortinarius coeruleolutescens <small>Rob. Henry (1984)</small>
- Cortinarius coeruleo-ochrascens <small>Rob. Henry & Chevassut (1975)</small>
- Cortinarius coeruleopallescens <small>Contu (1999)</small>
- Cortinarius coigue <small>Garrido (1988)</small>
- Cortinarius coleoptera <small>H. Lindstr. & Soop (1999)</small>
- Cortinarius collangustus <small>Rob. Henry (1981)</small>
- Cortinarius collariatus <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius collinitoides <small>Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius collinitoparvus <small>Rob. Henry (1963)</small>
- Cortinarius collinitus <small>(Sowerby) Gray (1821)</small> â belted slimy cort (North America)
- Cortinarius collinus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius collivagus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius colombianus <small>(Halling & Ovrebo) Peintner, E. Horak, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius coloratus <small>Peck (1872)</small>
- Cortinarius colorius <small>(Bidaud) Niskanen, Dima & Liimat. (2020)</small>
- Cortinarius colossipes <small>Reumaux (1991)</small>
- Cortinarius colubripes <small>Reumaux (2008)</small>
- Cortinarius colymbadinus <small>Fr. (1838)</small>
- Cortinarius comatus <small>J. Favre (1955)</small>
- Cortinarius compactus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius compar <small>(Weinm.) Fr. (1838)</small>
- Cortinarius compressus <small>A.H. Sm. (1944)</small>
- Cortinarius comptulus <small>M.M. Moser (1968)</small>
- Cortinarius concolor <small>E. Horak (1975)</small>
- Cortinarius coneae <small>(R. Heim) Peintner & M.M. Moser (2002)</small>
- Cortinarius confirmatus <small>Rob. Henry (1983)</small>
- Cortinarius confusus <small>Kauffman & A.H. Sm. (1933)</small>
- Cortinarius conglobatus <small>Rob. Henry (1952)</small>
- Cortinarius congregatus <small>Bidaud & Armada (2020)</small>
- Cortinarius congruens <small>Herp. (1912)</small>
- Cortinarius conicocampanulatus <small>Rob. Henry (1988)</small>
- Cortinarius conico-obtusarum <small>A. Ortega & Chevassut (1999)</small>
- Cortinarius conicosordescens <small>A. Favre (2007)</small>
- Cortinarius conicoumbonatus <small>Seslñ, Liimat. & Demirel (2018)</small>
- Cortinarius conicus <small>(Velen.) Rob. Henry (1942)</small>
- Cortinarius conioides <small>Peintner & M.M. Moser (2002)</small>
- Cortinarius conopileus <small>K.A. Thomas, M.M. Moser, Peintner & Manim. (2003)</small>
- Cortinarius conterminus <small>Bidaud & Carteret (2014)</small>
- Cortinarius contractoides <small>Carteret & Reumaux (2013)</small>
- Cortinarius contractus <small>Rob. Henry (1985)</small>
- Cortinarius contrarius <small>J. Geesink (1976)</small>
- Cortinarius contui <small>Rob. Henry & Contu (1987)</small>
- Cortinarius contulmensis <small>Garrido (1988)</small>
- Cortinarius conveniens <small>(Schulzer) Melot (1989)</small>
- Cortinarius copakensis <small>Peck (1878)</small>
- Cortinarius coracis <small>Kytöv., Niskanen, Liimat. & Dima (2014)</small>
- Cortinarius cordae <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius cordipes <small>Rob. Henry (1986)</small>
- Cortinarius corium-caepicii <small>Melot (1995)</small>
- Cortinarius coronatovelatus <small>Reumaux ex Gane (2013)</small>
- Cortinarius coronatus <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius corpulentus <small>Bojantchev, S.D. Adams, Liimat., & Niskanen (2023)</small>
- Cortinarius corrugatus <small>Peck (1872)</small>
- Cortinarius corsico-amethystinus <small>(Chevassut, Rob. Henry & Tristani) Reumaux (2004)</small>
- Cortinarius cortinatus <small>Rob. Henry (1941)</small>
- Cortinarius coruscans <small>(Fr.) Fr. (1838)</small>
- Cortinarius corvinus <small>Reumaux (2012)</small>
- Cortinarius corynecystis <small>(M.M. Moser) Kuhn.-Fink. & Peintner (2003)</small>
- Cortinarius costaricensis <small>Ammirati, Halling & Garnica (2007)</small>
- Cortinarius cotoneipes <small>Rob. Henry (1988)</small>
- Cortinarius cotoneus <small>Fr. (1838)</small>
- Cortinarius cramesinus <small>(E. Horak) G. Garnier (1991)</small>
- Cortinarius crassifolius <small>(Velen.) Kühner & Romagn. ex Bon (1986)</small>
- Cortinarius crassisporus <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius crassoides <small>M.M. Moser (1975)</small>
- Cortinarius crassorum <small>Rob. Henry (1988)</small>
- Cortinarius craticius <small>Fr. (1838)</small>
- Cortinarius cremeoglobosus <small>Rob. Henry (1988)</small>
- Cortinarius cretaceus <small>(E. Horak) E. Horak (1980)</small>
- Cortinarius cribbiae <small>(A.H. Sm.) Gasparini (2014)</small>
- Cortinarius crispus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius croceicolor <small>Kauffman (1905)</small>
- Cortinarius croceobasalis <small>Kärcher & Seibt (1993)</small>
- Cortinarius croceocingulatus <small>N. Arnold & E. Ludw. (1993)</small>
- Cortinarius croceocristallinus <small>Rob. Henry (1988)</small>
- Cortinarius croceofurfuraceus <small>Rob. Henry (1988)</small>
- Cortinarius croceolamellatus <small>N. Arnold & Schmid-Heckel (1987)</small>
- Cortinarius croceolimbatus <small>(Bon) G. Garnier (1991)</small>
- Cortinarius croceolutescens <small>Rob. Henry ex Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius croceosimilis <small>Liimat., Niskanen & Ammirati (2014)</small>
- Cortinarius croceus <small>(Schaeff.) Gray (1821)</small>
- Cortinarius cruentiphyllus <small>Niskanen, Liimat., Kytöv., Ammirati, Dima, L. Albert & K.W. Hughes (2014)</small>
- Cortinarius cruentoides <small>Soop (2014)</small>
- Cortinarius cruentus <small>Bidaud & Reumaux (1994)</small>
- Cortinarius crustulatus <small>Herp. (1912)</small>
- Cortinarius crustulinicolor <small>(Bon & Gaugué) Bidaud, Moënne-Locc., Reumaux & Rob. Henry (2000)</small>
- Cortinarius crustulinus <small>Malençon (1970)</small>
- Cortinarius cryptus <small>Moënne-Locc. (2000)</small>
- Cortinarius crystallinus <small>Fr. (1838)</small>
- Cortinarius crystallophorus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius cucullatus <small>M.M. Moser (1975)</small>
- Cortinarius cucullifer <small>Romagn. (1980)</small>
- Cortinarius cucumeris <small>E. Horak (1990)</small> - New Zealand
- Cortinarius cucumis <small>E. Horak (1975)</small>
- Cortinarius cucumisporus <small>M.M. Moser (1968)</small>
- Cortinarius cumatilis <small>Fr. (1838)</small>
- Cortinarius cunninghamii <small>(E. Horak) Peintner & M.M. Moser (2002)</small>
- Cortinarius cuphocyboides <small>Soop (2014)</small>
- Cortinarius cuphomorphus <small>Soop (2014)</small>
- Cortinarius cuprescens <small>Eyssart. & Bidaud (2003)</small> â France
- Cortinarius curanilahuensis <small>Garrido & E. Horak (1988)</small>
- Cortinarius cuspidatus <small>Singer (1951)</small>
- Cortinarius cuteruptus <small>Rob. Henry (1981)</small>
- Cortinarius cyaneus <small>(Bres.) M.M. Moser (1967)</small>
- Cortinarius cyanites <small>Fr. (1838)</small>
- Cortinarius cyanobasalis <small>Rob. Henry (1986)</small>
- Cortinarius cyanopus <small>Secr. ex Fr. (1838)</small>
- Cortinarius cyanosterix <small>Rob. Henry (1956)</small> â France
- Cortinarius cyanoxanthus <small>Carteret (2012)</small>
- Cortinarius cycneus <small>E. Horak (1990)</small> â New Zealand
- Cortinarius cylindratus <small>Rob. Henry (1983)</small> â France
- Cortinarius cylindripes <small>Kauffman (1905)</small>
- Cortinarius cylindrisporus <small>Murrill (1946)</small> â US (Florida)
- Cortinarius cylindrospermus <small>M.M. Moser (1975)</small> â Argentina
- Cortinarius cypriacoides <small>Bidaud, Carteret & Reumaux (2015)</small>
- Cortinarius cyprinus <small>Bidaud, Carteret & Reumaux (2015)</small>
- Cortinarius cypripedi <small>Soop (2016)</small>
- Cortinarius cystidifer <small>(Velen.) Reumaux (1985)</small>
- Cortinarius cystidiobicolor <small>Liimat. & Niskanen (2017)</small>
- Cortinarius cystidiocatenatus <small>(Grgur.) Gasparini (2006)</small> â Australia
- Cortinarius cystidiophorus <small>Reumaux (1993)</small> â France
- Cortinarius cystidiorapaceus <small>M.M. Moser (1975)</small> â Argentina
- Cortinarius cystidiosus <small>V.P. Sharma & Barh (2019)</small>
D
- Cortinarius dactylichrous <small>M.M. Moser (1975)</small>
- Cortinarius dactylodermus <small>Rob. Henry (1970)</small>
- Cortinarius damascenus <small>Fr. (1838)</small>
- Cortinarius danicus <small>Høil. (1984)</small>
- Cortinarius danili <small>Rob. Henry (1943)</small>
- Cortinarius darwinii <small>Speg. (1887)</small>
- Cortinarius daucodes <small>Peintner & M.M. Moser (2002)</small>
- Cortinarius davemallochii <small>Ammirati, Niskanen & Liimat. (2014)</small>
- Cortinarius davisii <small>Murrill (1942)</small>
- Cortinarius debbieae <small>Trappe & Claridge (2003)</small>
- Cortinarius deceptivissimus<small>Reumaux (1984)</small> â France
- Cortinarius deceptivoides <small>Bidaud (2014)</small>
- Cortinarius deceptivus <small>Kauffman (1905)</small>
- Cortinarius decipiens <small>(Pers.) Zawadzki (1835)</small>
- Cortinarius decipientoides <small>Moënne-Locc. & Reumaux</small> â France
- Cortinarius decolorus <small>Herp. (1912)</small>
- Cortinarius decoratus <small>Bataille (1909)</small>
- Cortinarius decurtatus <small>Bataille (1909)</small> â France
- Cortinarius deflexus <small>Murrill (1945)</small>
- Cortinarius deianae <small>Bidaud & Fillion (2007)</small> â France
- Cortinarius delibutus <small>Fr. (1838)</small>
- Cortinarius delicatus <small>Herp. (1912)</small>
- Cortinarius deminutus <small>Peintner (2003)</small>
- Cortinarius denigratoides <small>BallarÃÂ , Mahiques & Garrido-Ben. (2021)</small>
- Cortinarius denigratus <small>Ammirati, Beug, Niskanen, Liimat. & O. Ceska (2016)</small>
- Cortinarius denseconnatus <small>Rob. Henry (1983)</small>
- Cortinarius dentatus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius depallens <small>(M.M. Moser) Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius depauperatus <small>(J.E. Lange) Soop (1990)</small>
- Cortinarius depexus <small>(Fr.) Fr. (1838)</small>
- Cortinarius depressus <small>Fr. (1838)</small>
- Cortinarius dermagnitus <small>Rob. Henry (1981)</small>
- Cortinarius deroleptus <small>Rob. Henry (1983)</small>
- Cortinarius desertorum <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius detudis <small>Bidaud & Fillion (1992)</small>
- Cortinarius diabolicoides <small>Moënne-Locc. & Reumaux (1992)</small>
- Cortinarius diabolicorigens <small>Bohus (1976)</small>
- Cortinarius diabolicus <small>(Fr.) Fr. (1838)</small>
- Cortinarius diagnitus <small>Rob. Henry (1956)</small>
- Cortinarius diaphorus <small>Soop, A.R. Nilsen & Orlovich (2020)</small> â New Zealand
- Cortinarius diasemospermus <small>Lamoure (1978)</small>
- Cortinarius dibaphoides <small>(E. Horak) Peintner & M.M. Moser (2002)</small>
- Cortinarius dichrous <small>M.M. Moser (1975)</small>
- Cortinarius dicolor <small>Reumaux (2002)</small>
- Cortinarius diemii <small>M.M. Moser (1975)</small>
- Cortinarius diffamatus <small>Carteret (2012)</small>
- Cortinarius difficilis <small>Speg. (1887)</small>
- Cortinarius diffractosuavis <small>Chevassut & Rob. Henry (1978)</small>
- Cortinarius dilutus <small>(Pers.) Fr. (1838)</small>
- Cortinarius diobensis <small>Beeli (1928)</small>
- Cortinarius dionysae <small>Rob. Henry (1933)</small>
- Cortinarius diosmoides <small>Rob. Henry (1989)</small>
- Cortinarius diosmus <small>Kühner (1955)</small>
- Cortinarius dischroipes <small>Rob. Henry (1989)</small>
- Cortinarius discoideus <small>Rob. Henry (1968)</small>
- Cortinarius discophaeus <small>M.M. Moser (1975)</small>
- Cortinarius disjungendulus <small>Kytöv., Liimat. & Niskanen (2014)</small>
- Cortinarius disjungendus <small>P. Karst. (1893)</small>
- Cortinarius dissensio <small>Rob. Henry (1985)</small>
- Cortinarius dissidens <small>Reumaux (1980)</small>
- Cortinarius dissimulans <small>M.M. Moser (1975)</small>
- Cortinarius distortus <small>Kauffman (1932)</small>
- Cortinarius dolabratoides <small>Kytöv., Carteret, Bidaud, Liimat., Niskanen, Bellanger, Dima, Reumaux & Ammirati (2017)</small>
- Cortinarius dolosus <small>Herp. (1912)</small>
- Cortinarius dombeyi <small>(Singer) Peintner & M.M. Moser (2002)</small>
- Cortinarius duboisensis <small>Ammirati, Beug, Niskanen & Liimat. (2016)</small>
- Cortinarius dulciolens <small>E. Horak, M.M. Moser, Peintner & Vilgalys (2002)</small> â New Zealand
- Cortinarius dumetorum <small>J. Favre (1960)</small>
- Cortinarius dunensis <small>A. de Haan, Lenaerts & Volders (2001)</small> â Belgium
- Cortinarius duracinellus <small>Rob. Henry (1970)</small>
- Cortinarius duracinobtusus <small>Rob. Henry (1970)</small>
- Cortinarius duracinus <small>Fr. (1838)</small>
- Cortinarius duramarus <small>Jul. Schäff. (1957)</small>
- Cortinarius duramarus <small>Jul. Schäff. ex Kuhn.-Fink. & Peintner (2003)</small>
- Cortinarius durifoliorum <small>Soop & Dima (2018) - Aotearoa New Zealand</small>
- Cortinarius durissimus <small>M.M. Moser (1952)</small>
- Cortinarius duristipes <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius duromarus <small>M.M. Moser (1967)</small>
- Cortinarius dysodes <small>Soop (2001)</small>
E
- Cortinarius earinus <small>Romagn. (1977)</small>
- Cortinarius eartoxicus <small>Gasparini (2004)</small> â Australia (Tasmania)
- Cortinarius ectypus <small>J. Favre (1960)</small>
- Cortinarius egenus <small>E. Horak (1975)</small>
- Cortinarius egmontianus <small>(E. Horak) G. Garnier (1991)</small>
- Cortinarius egonii <small>Salgado Salomón, Peintner, Liimat. & Niskanen (2021)</small>
- Cortinarius egregius <small>Bidaud (2013)</small>
- Cortinarius elacatipus <small>E. Horak, Peintner, M.M. Moser & Vilgalys (2002)</small> â New Zealand
- Cortinarius elachus <small>M.M. Moser (1975)</small>
- Cortinarius elaiochrous <small>E. Horak, M.M. Moser, Peintner & Vilgalys (2002)</small> â New Zealand
- Cortinarius elaiops <small>Soop (2008)</small> â New Zealand
- Cortinarius elaiotus <small>M.M. Moser (1975)</small>
- Cortinarius elaphinicolor <small>Carteret (2004)</small> â France
- Cortinarius elaphinus <small>M.M. Moser (1975)</small>
- Cortinarius elatior <small>Fr. (1838)</small> - Europe
- Cortinarius elatostipitatus <small>Gasparini (2007)</small> â Australia (Tasmania)
- Cortinarius elatus <small>(Rob. Henry) Bidaud (2009)</small>
- Cortinarius eldoradoensis <small>Bojantchev (2013)</small> â North America
- Cortinarius elegans <small>Reumaux (1989)</small>
- Cortinarius elegantoides <small>Kauffman (1918)</small>
- Cortinarius elegantulus <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius eleonorae <small>Reumaux (2016)</small>
- Cortinarius elytropus <small>Rob. Henry (1955)</small> â France
- Cortinarius emarginatus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius emilii <small>M. Langl. & Reumaux (2000)</small> â France
- Cortinarius emodensis <small>Berk. (1852)</small>
- Cortinarius emunctus <small>Fr. (1838)</small>
- Cortinarius entheosus <small>Soop (2016)</small>
- Cortinarius epileucus <small>M.M. Moser (1975)</small> â Argentina
- Cortinarius epiphaeus <small>(E. Horak) Peintner & M.M. Moser (2002)</small> â New Zealand
- Cortinarius epipoleus <small>Fr. (1838)</small>
- Cortinarius epipurrus <small>Chevassut & Rob. Henry (1978)</small> â France
- Cortinarius equestriformis <small>Murrill (1946)</small>
- Cortinarius erebius <small>M.M. Moser (1975)</small>
- Cortinarius errabundus <small>Melot (1992)</small>
- Cortinarius erraticus <small>Peck (1889)</small>
- Cortinarius erugatus <small>(Weinm.) Fr. (1838)</small>
- Cortinarius erumpens <small>Rob. Henry (1958)</small>
- Cortinarius erythrinus <small>(Fr.) Fr. (1838)</small>
- Cortinarius erythrocephalus <small>Dennis (1955)</small>
- Cortinarius erythrocitriolens <small>Mahiques & BallarÃÂ (2008)</small>
- Cortinarius erythrofuscus <small>Mahiques & A. Ortega (2002)</small> â Spain
- Cortinarius erythrojonipes <small>(Fayod) Sacc. & D. Sacc. (1905)</small>
- Cortinarius esculentus <small>Lebedeva (1949)</small>
- Cortinarius eucaerulescens <small>Rob. Henry (1989)</small>
- Cortinarius euchrous <small>Rob. Henry (1939)</small>
- Cortinarius eucinnamomeus <small>Rob. Henry (1959)</small>
- Cortinarius eucollybianus Soop, sp. (2018) - Aotearoa New Zealand
- Cortinarius eudilutus <small>Reumaux (2013)</small>
- Cortinarius eufulmineus <small>Rob. Henry (1952)</small>
- Cortinarius eulepistus <small>Bidaud & Moënne-Locc. (1993)</small>
- Cortinarius eunomalus <small>Soop (2018) - Aotearoa New Zealand</small>
- Cortinarius euprasinus <small>Rob. Henry (1989)</small>
- Cortinarius europaeus <small>(M.M. Moser) Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius eustriatulus <small>Rob. Henry (1985)</small>
- Cortinarius evanescens <small>E. Horak (1995)</small> â Papua New Guinea
- Cortinarius everniiformis <small>Rob. Henry (1989)</small>
- Cortinarius evernius <small>(Fr.) Fr. (1838)</small>
- Cortinarius exaltatus <small>E. Horak (1975)</small>
- Cortinarius excruciatus <small>M.M. Moser (1975)</small>
- Cortinarius exiguus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius exilis <small>E. Horak (1975)</small>
- Cortinarius exitiosus <small>Bidaud, Moënne-Locc. & Reumaux (2001)</small>
- Cortinarius expallens <small>M.M. Moser (1993)</small>
- Cortinarius exsularis <small>Garrido-Ben., BallarÃÂ & Mahiques (2016)</small>
- Cortinarius extractus <small>Eyssart. & Dima (2021)</small>
F
- Cortinarius fagetorum <small>M.M. Moser (1967)</small>
- Cortinarius falsarius <small>(Fr.) Rob. Henry ex Bon (1986)</small>
- Cortinarius falsosus <small>Moënne-Locc. & Reumaux (2001)</small>
- Cortinarius famatus <small>Moënne-Locc. & Reumaux (2001)</small> â France
- Cortinarius fascicularis <small>A.E. Johnson (1878)</small>
- Cortinarius fascicularoides <small>Carteret (2004)</small> â France
- Cortinarius fatuus <small>E. Horak (1975)</small>
- Cortinarius favrexilis <small>Bon (1992)</small>
- Cortinarius fechtneri <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius felleicolor <small>Rob. Henry (1989)</small>
- Cortinarius fennoscandicus <small>Bendiksen, K. Bendiksen & Brandrud (1993)</small>
- Cortinarius feretransitus <small>Chevassut & Rob. Henry (1994)</small>
- Cortinarius ferinsolitus <small>Rob. Henry (1989)</small>
- Cortinarius ferrei <small>BallarÃÂ & Mahiques (2020)</small>
- Cortinarius ferrugineifolius <small>M.M. Moser (1993)</small>
- Cortinarius ferrugineogriseus <small>Peck (1910)</small>
- Cortinarius ferrugineosordescens <small>Rob. Henry (1956)</small>
- Cortinarius ferrugineovelatus <small>Kytöv., Liimat. & Niskanen (2014)</small>
- Cortinarius ferruginosus <small>(A.H. Sm.) Ammirati, Liimat. & Niskanen (2014)</small>
- Cortinarius ferrusinus <small>BallarÃÂ , Mahiques & Garrido-Ben. (2017)</small>
- Cortinarius fervidoides <small>Bidaud, Moënne-Locc. & Reumaux (1994)</small>
- Cortinarius fervidus <small>P.D. Orton (1964)</small>
- Cortinarius fervillei <small>Bidaud, Carteret & Reumaux (2013)</small>
- Cortinarius fibrillosibrunneus <small>Kytov., Niskanen & Liimat. (2020)</small>
- Cortinarius fibroglaucescens <small>Rob. Henry (1966)</small>
- Cortinarius fibulatobtusus <small>Rob. Henry (1968)</small>
- Cortinarius fidelis <small>Bidaud, Moënne-Locc. & Reumaux (1996)</small>
- Cortinarius filamentosus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius fillionii <small>Bidaud, Moënne-Locc. & Reumaux (1995)</small>
- Cortinarius fimbriatus <small>Murrill (1945)</small>
- Cortinarius finitimus <small>(Weinm.) P. Karst. (1879)</small>
- Cortinarius fiveashianus <small>Grgur. (1997)</small>
- Cortinarius flabelloides <small>Carteret (2010)</small>
- Cortinarius flabellus <small>(Fr.) Fr. (1838)</small>
- Cortinarius flagellostriatus <small>Rob. Henry (1968)</small>
- Cortinarius flammeolus <small>Bidaud (2013)</small>
- Cortinarius flammeouraceus <small>Niskanen, Kytov., Liimat., Ammirati & Dima (2020)</small>
- Cortinarius flammuliformis <small>Murrill (1942)</small>
- Cortinarius flammuloides <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius flavens <small>Herp. (1912)</small>
- Cortinarius flavescens <small>(Cooke) Rob. Henry (1939)</small>
- Cortinarius flavescentium <small>Rob. Henry (1985)</small>
- Cortinarius flavidolilacinus <small>Bidaud (2006)</small>
- Cortinarius flavidulus <small>Peintner & M.M. Moser (2002)</small> â New Zealand
- Cortinarius flavidus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius flavifolius <small>Peck (1888)</small>
- Cortinarius flavipes <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius flavoalbus <small>Rob. Henry (1969)</small>
- Cortinarius flavobasilis <small>M.M. Moser & O.K. Mill. ex Peintner, Kuhn.-Fink., C.L. Cripps & Ammirati (2017)</small>
- Cortinarius flavoferrugineus <small>M.M. Moser (1975)</small>
- Cortinarius flavofucatus <small>(E. Horak & M.M. Moser) G. Garnier (1991)</small>
- Cortinarius flavopallidus <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius flavopurpureus <small>N. Pastor & Nouhra (2019)</small>
- Cortinarius flavornatus <small>Singer (1931)</small>
- Cortinarius flavosquamosus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius flavotomentosus <small>(M.M. Moser) G. Garnier (1991)</small>
- Cortinarius flavovelus <small>(Grgur.) Peintner & M.M. Moser (2002)</small>
- Cortinarius flavus <small>Reumaux (2000)</small>
- Cortinarius flexibilifolius <small>Carteret (2004)</small>
- Cortinarius flexibilis <small>Rob. Henry (1983)</small>
- Cortinarius flexipes <small>(Pers.) Fr. (1838)</small>
- Cortinarius floccopus <small>Bidaud (1995)</small>
- Cortinarius floridulus <small>Rob. Henry (1993)</small>
- Cortinarius flos-paludis <small>Rob. Henry (1993)</small>
- Cortinarius fluorescens <small>E. Horak (1975)</small>
- Cortinarius fluryi <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius foetens <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius foetenticolor <small>Rob. Henry (1989)</small>
- Cortinarius foligemmatus <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius fonsii <small>Melot (1995)</small>
- Cortinarius formosus <small>M.M. Moser (1975)</small>
- Cortinarius fragilipes <small>Cleland (1933)</small>
- Cortinarius fragilis <small>(Zeller & C.W. Dodge) Peintner & M.M. Moser (2002)</small>
- Cortinarius fragilistipitatus <small>Reumaux (2005)</small>
- Cortinarius fragrantior <small>Gaugué (1977)</small>
- Cortinarius fragrantissimus <small>Ammirati, Beug, Liimat., Niskanen & O. Ceska (2016)</small>
- Cortinarius francescae <small>Reumaux (1992)</small>
- Cortinarius franchii <small>Soop (2014)</small>
- Cortinarius fraternus <small>(Lasch) Reumaux (1990)</small>
- Cortinarius fraudulosoconnatus <small>Rob. Henry (1989)</small>
- Cortinarius fulgens <small>Fr. (1838)</small>
- Cortinarius fulgentissimus <small>Reumaux (2003)</small>
- Cortinarius fulgidus <small>Reumaux & Ramm (2003)</small>
- Cortinarius fulgoalbus <small>Rob. Henry (1952)</small>
- Cortinarius fulgorubeolus <small>Chevassut & Rob. Henry (1994)</small>
- Cortinarius fuligineoviolaceus <small>E. Horak (1975)</small>
- Cortinarius fuligineus <small>Joachim (1944)</small>
- Cortinarius fulminans <small>Moënne-Locc. & Reumaux (2008)</small>
- Cortinarius fulminatus <small>Reumaux (2003)</small>
- Cortinarius fulmineus <small>Fr. (1838)</small>
- Cortinarius fulminoides <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius fulvaster <small>Rob. Henry (1969)</small>
- Cortinarius fulvaurantius <small>Rob. Henry (1989)</small>
- Cortinarius fulvaureus <small>Rob. Henry (1944)</small>
- Cortinarius fulvescens <small>Fr. (1838)</small>
- Cortinarius fulvescentoideus <small>Kytöv., Niskanen & Liimat. (2016)</small>
- Cortinarius fulvoconicus <small>M.M. Moser (1975)</small>
- Cortinarius fulvoisabellinus <small>Rob. Henry (1941)</small>
- Cortinarius fulvoiubatus <small>Gasparini (2007)</small>
- Cortinarius fulvoleoninus <small>Rob. Henry (1989)</small>
- Cortinarius fulvonitens <small>Moënne-Locc. & Reumaux (2013)</small>
- Cortinarius fulvo-olivaceus <small>Rob. Henry (1952)</small>
- Cortinarius fulvopaludosus <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius fulvoraphanoides <small>Rob. Henry (1959)</small>
- Cortinarius fulvorimosus <small>Carteret & Reumaux (2008)</small>
- Cortinarius fulvorufus <small>Reumaux (2013)</small>
- Cortinarius fulvosquamosus <small>P.D. Orton (1977)</small>
- Cortinarius fulvostriatulus <small>Rob. Henry (1968)</small>
- Cortinarius fulvus <small>Rob. Henry (1957)</small>
- Cortinarius furfurellus <small>Peck (1880)</small>
- Cortinarius furiosus <small>Carteret & Reumaux (2015)</small>
- Cortinarius furnaceus <small>M.M. Moser (1975)</small>
- Cortinarius furtimornatus <small>Rob. Henry (1970)</small>
- Cortinarius furvolaesus <small>H. Lindstr. (1998)</small>
- Cortinarius furvoumbrinus <small>Liimat., Niskanen & Kytöv. (2014)</small>
- Cortinarius furvus <small>Liimat., Niskanen & Kytöv. (2014)</small>
- Cortinarius fuscescens <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius fuscidulopallens <small>Rob. Henry (1981)</small>
- Cortinarius fuscoalbus <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius fuscobovinaster <small>Kytöv., Liimat., Niskanen & H. Lindstr. (2013)</small> â Europe
- Cortinarius fuscobovinus <small>Kytöv., Niskanen & Liimat. (2013)</small> â Europe
- Cortinarius fuscodiscus <small>A.H. Sm. (1944)</small>
- Cortinarius fuscoflavidus <small>Niskanen, Liimat., Bojantchev & Ammirati (2021)</small>
- Cortinarius fuscoflexipes <small>M.M. Moser & McKnight (1987)</small>
- Cortinarius fuscogracilescens <small>A. Favre (2009)</small>
- Cortinarius fuscoides <small>Reumaux (2013)</small>
- Cortinarius fuscomaculatus <small>Jul. Schäff. (1947)</small>
- Cortinarius fusco-olivaceus <small>(Weinm.) Moënne-Locc. & Reumaux (1990)</small>
- Cortinarius fuscosericeus <small>Reumaux (2012)</small>
- Cortinarius fuscotinctus <small>Rea (1917)</small>
- Cortinarius fuscotomentosus <small>Bojantchev, Liimat. & Niskanen (2021)</small>
- Cortinarius fuscoumbonatus <small>Gasparini (2006)</small> â Australia
- Cortinarius fuscoumbrinus <small>Liimat., Niskanen & Kytöv. (2014)</small>
- Cortinarius fuscovelatus <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius fuscoviolaceus <small>Peck (1875)</small>
- Cortinarius fuscoviridis <small>E. Horak (1995)</small>
- Cortinarius fuscus <small>M.M. Moser (1975)</small>
- Cortinarius fusiclavus <small>E. Horak (1995)</small>
- Cortinarius fusipes <small>(P. Karst.) Bidaud, Moënne-Locc. & Reumaux (1997)</small>
- Cortinarius fusisporus <small>Kühner (1955)</small> â France
G
H
- Cortinarius habros <small>Bojantchev, Dima, Liimat., Niskanen & L. Albert (2022)</small>
- Cortinarius hadrocroceus <small>Ammirati, Niskanen, Liimat. & Bojantchev (2014)</small>
- Cortinarius haematocheloides <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius hallingii <small>Ammirati, Niskanen, Liimat. & Garnica (2021)</small>
- Cortinarius hallowellensis <small>A.E. Wood (2009)</small> â Western Australia and Tasmania
- Cortinarius haematocheloides <small>Chevassut & Rob. Henry (1982)</small> â France
- Cortinarius harrisii <small>Grgur. (2002)</small> â Australia
- Cortinarius harrisonii <small>Ammirati, Niskanen & Liimat. (2013)</small> â US
- Cortinarius harvardensis <small>L. Nagy, Dima & Ammirati (2021)</small>
- Cortinarius heatherae <small>Overall (2020)</small> â UK
- Cortinarius hebelomoides <small>Murrill (1946)</small> â US
- Cortinarius hebes <small>E. Horak (1975)</small>
- Cortinarius hedrychii <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius helianthemorum <small>Bidaud & Cheype (2014)</small>
- Cortinarius heliotropicus <small>Peck (1905)</small>
- Cortinarius helobius <small>Peck (1905)</small> â France
- Cortinarius helodes <small>M.M. Moser, Matheny & Daniele (2001)</small> â US (Wyoming)
- Cortinarius helvelloides <small>(Fr.) Fr. (1838)</small>
- Cortinarius helviodor <small>Rob. Henry (1985)</small> â France
- Cortinarius helvolus <small>(Fr.) Fr. (1838)</small>
- Cortinarius hemitrichoides <small>Bidaud & Moënne-Locc. (2010)</small>
- Cortinarius hemitrichus <small>(Pers.) Fr. (1838)</small>
- Cortinarius henricii <small>Reumaux (1980)</small> â France
- Cortinarius henryanus <small>Bon (1986)</small> â France
- Cortinarius hepaticus <small>Kytov., Niskanen & Liimat. (2020)</small>
- Cortinarius herbarum <small>Rob. Henry (1952)</small> â France
- Cortinarius herculeolens <small>Bidaud (1996)</small> â France
- Cortinarius herculoides <small>Bertault (1983)</small> â Mauritania
- Cortinarius hercynicus <small>(Pers.) M.M. Moser (1967)</small>
- Cortinarius hesleri <small>Ammirati, Niskanen, Liimat. & Matheny (2013)</small> â eastern North America
- Cortinarius heterochromus <small>M.M. Moser ex G. Garnier (1991)</small> â Argentina
- Cortinarius heterocycloideus <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius heterocyclus <small>Soop (1990)</small> â Sweden
- Cortinarius heterodepressus <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius heterosporus <small>Bres. (1889)</small>
- Cortinarius hiemalis <small>Murrill (1939)</small> â France
- Cortinarius hillieri <small>Rob. Henry (1938)</small> â France
- Cortinarius hinnuleoarmillatus <small>Reumaux (1989)</small> â France
- Cortinarius hinnuleocanadensis <small>Liimat. & Niskanen (2021)</small>
- Cortinarius hinnuleocervinus <small>Niskanen, Liimat. & Ammirati (2017)</small>
- Cortinarius hinnuleolus <small>Romagn. (1977)</small> â France
- Cortinarius hinnuleus <small>Fr. (1838)</small>
- Cortinarius hinnuloides <small>Rob. Henry (1941)</small>
- Cortinarius hircinoides <small>Reumaux (2002)</small>
- Cortinarius hircinosmus <small>Reumaux (2002)</small> â France
- Cortinarius hirtipes <small>Moënne-Locc. & Reumaux (2005)</small>
- Cortinarius hirtus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius hispanicus <small>BallarÃÂ , Mahiques & Garrido-Ben. (2021)</small>
- Cortinarius hoeftii <small>(Weinm.) Fr. (1838)</small>
- Cortinarius holojanthinus <small>Peintner & M.M. Moser (2002)</small> â Argentina
- Cortinarius holovioleipes <small>Rob. Henry (1989)</small> â France
- Cortinarius holoxanthus <small>(M.M. Moser & I. Gruber) Nezdojm. (1980)</small>
- Cortinarius homomorphus <small>Kühner (1989)</small> â France
- Cortinarius hoplites <small>Melot (1995)</small> â Iceland
- Cortinarius horakii <small>E. Valenz. & Esteve-Rav. (1994)</small> â Los Lagos
- Cortinarius hualo <small>Garrido (1988)</small> â Chile
- Cortinarius huddartensis <small>Bojantchev, Liimat., Niskanen, Ammirati & Dima (2021)</small>
- Cortinarius hughesiae <small>Ammirati, Matheny, Liimat. & Niskanen (2021)</small>
- Cortinarius hujusmodi <small>Rob. Henry (1983)</small> â France
- Cortinarius humboldtensis <small>Ammirati & A.H. Sm. (1977)</small> â edible, but deadly look-alikes (C. gentilis)
- Cortinarius humicola <small>(Quél.) Maire (1912)</small>
- Cortinarius humidorufus <small>Cleric., Boccardo & Dovana (2023)</small>
- Cortinarius humilior <small>Rob. Henry (1956)</small> â France
- Cortinarius humilis <small>M.M. Moser (1975)</small> â Argentina
- Cortinarius hybospermus <small>M.M. Moser (1975)</small>
- Cortinarius hydrocephalus <small>(Weinm.) Fr. (1838)</small>
- Cortinarius hydrotelamonioides <small>Rob. Henry (1985)</small>
- Cortinarius hygrophanus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius hygrophilus <small>Bidaud, Fillion & Moënne-Locc. (2000)</small>
- Cortinarius hygrophoraccedens <small>Rob. Henry (1984)</small>
- Cortinarius hygrophoroides <small>Speg. (1887)</small>
- Cortinarius hymenoluctus <small>Rob. Henry (1995)</small>
- Cortinarius hysginus <small>(M.M. Moser) M.M. Moser (1967)</small>
I
- Cortinarius iaganicus <small>(Speg.) E. Horak (1975)</small>
- Cortinarius ianthinus <small>Cleland & J.R. Harris (1948)</small>
- Cortinarius ianuarius <small>Franchi & M. Marchetti (2006)</small>
- Cortinarius icterinoides <small>(E. Horak) G. Garnier (1991)</small>
- Cortinarius icterinus <small>(E. Horak) G. Moreno & E. Valenz. (1997)</small>
- Cortinarius idahoensis <small>Ammirati & A.H. Sm. (1978)</small>
- Cortinarius ignellus <small>Soop (2003)</small>
- Cortinarius ignifluus <small>Bidaud (1994)</small>
- Cortinarius ignotus <small>E. Horak (1990)</small>
- Cortinarius ilexarbutus <small>Rob. Henry (1986)</small>
- Cortinarius iliceti <small>Armada (2021)</small>
- Cortinarius iliopodius <small>(Bull.) Fr. (1838)</small>
- Cortinarius illibatus <small>Fr. (1838)</small>
- Cortinarius illitus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius illuminoides <small>Bidaud (2013)</small>
- Cortinarius illuminus <small>Fr. (1838)</small>
- Cortinarius illustris <small>Herp. (1912)</small>
- Cortinarius imbecillis <small>M.M. Moser (1975)</small>
- Cortinarius imbutoides <small>Bidaud & Carteret (2014)</small>
- Cortinarius imbutus <small>Fr. (1838)</small>
- Cortinarius immissus <small>Schläpf.-Bernh. (1951)</small>
- Cortinarius immixtus <small>Kauffman (1932)</small>
- Cortinarius impennis <small>Fr. (1838)</small>
- Cortinarius imperialis <small>Bidaud (1993)</small>
- Cortinarius impolitus <small>Kauffman (1918)</small>
- Cortinarius inaequalis <small>(Weinm.) Reumaux (2013)</small>
- Cortinarius inamoenus <small>(J. Favre) Quadr. (1985)</small>
- Cortinarius incarnatofocalis <small>Rob. Henry (1989)</small>
- Cortinarius incensus <small>Soop (2003)</small>
- Cortinarius incisior <small>Bidaud, Moënne-Locc. & Reumaux (1997)</small>
- Cortinarius incisus <small>(Pers.) Fr. (1838)</small>
- Cortinarius incognitus <small>Ammirati & A.H. Sm. (1972)</small>
- Cortinarius inconspicuus <small>J. Favre (1955)</small>
- Cortinarius indicus <small>Rawla (1991)</small>
- Cortinarius indigoverus <small>E. Horak (1990)</small> - New Guinea
- Cortinarius indolicus <small>E. Horak (1990)</small> - New Zealand
- Cortinarius indopurpurascens <small>Dima, Semwal, Brandrud, V. Papp & V.K. Bhatt (2020)</small>
- Cortinarius indorusseus <small>Dima, Semwal, V.K. Bhatt & Brandrud (2020)</small>
- Cortinarius indotatus <small>(E. Horak) G. Garnier (1991)</small>
- Cortinarius iners <small>(Bidaud) Liimat., Dima & Niskanen (2020)</small>
- Cortinarius infernalis <small>Armada & Carteret (2011)</small>
- Cortinarius infestans <small>Moënne-Locc. (2002)</small>
- Cortinarius inflatipes <small>M.M. Moser (1975)</small>
- Cortinarius inflatobulbus <small>(Rob. Henry) Rob. Henry (1992)</small>
- Cortinarius inflatus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius infractiflavus <small>Kytöv., Niskanen, Liimat., Bojantchev & Ammirati (2014)</small> â Wyoming, Europe
- Cortinarius infractimor <small>Chevassut & Rob. Henry (1975)</small>
- Cortinarius infractus <small>(Pers.) Fr. (1838)</small>
- Cortinarius infrastemmatus <small>Chevassut & Rob. Henry (1988)</small>
- Cortinarius infrequens <small>N. Pastor & Nouhra (2019)</small>
- Cortinarius ingratiolens <small>Gasparini (2007)</small>
- Cortinarius inhonestus <small>(Weinm.) Moënne-Locc. & Reumaux (1991)</small>
- Cortinarius inochlorus <small>Maire (1937)</small>
- Cortinarius inocybiphyllus <small>M.M. Moser (1975)</small>
- Cortinarius inocyboides <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius inodorus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius inops <small>J. Favre (1955)</small>
- Cortinarius insignolens <small>(Rob. Henry) Rob. Henry (1989)</small>
- Cortinarius integerrimus <small>Kühner (1989)</small> â France
- Cortinarius intempestivus <small>Moënne-Locc. & Reumaux (2001)</small> â France
- Cortinarius interlectus <small>E. Horak (1980)</small>
- Cortinarius intermedius <small>Rea (1927)</small>
- Cortinarius iodeoides <small>Kauffman (1918)</small>
- Cortinarius iodes
- Cortinarius ionipus <small>E. Horak (1975)</small>
- Cortinarius ionodactylus <small>Knutsson & Soop (2005)</small>
- Cortinarius ionomataius <small>Soop (2005)</small>
- Cortinarius ionophyllus <small>M.M. Moser (1968)</small>
- Cortinarius iris <small>Massee (1893)</small>
- Cortinarius isabellinus <small>(Batsch) Fr. (1838)</small>
- Cortinarius iunii <small>Ballarà, E. Suárez, Mahiques & Garrido-Ben. (2017)</small>
J
K
- Cortinarius kaputarensis <small>Danks, T. Lebel & Vernes (2010)</small>
- Cortinarius kashmirensis <small>Watling (1980)</small>
- Cortinarius kauffmanianus <small>A.H. Sm. (1933)</small>
- Cortinarius kauffmanii <small>Bidaud, Moënne-Locc. & Reumaux (1994)</small>
- Cortinarius keralensis <small>K.A. Thomas, M.M. Moser, Peintner & Manim. (2003)</small>
- Cortinarius kerrii <small>Singer & I.J.A. Aguiar (1983)</small> - Brazil
- Cortinarius khinganensis <small>M.L. Xie, T.Z. Wei & Y. Li (2021)</small>
- Cortinarius kiambramensis <small>Grgur. (1997)</small>
- Cortinarius killermannii <small>Bidaud (2000)</small>
- Cortinarius kilpanius <small>Grgur. (1997)</small>
- Cortinarius kioloensis <small>A.E. Wood (2009)</small> - New Zealand and Australia
- Cortinarius kivaczensis <small>Singer (1949)</small>
- Cortinarius koldingensis <small>Frøslev & T.S. Jeppesen (2015)</small>
- Cortinarius kompsos <small>Eyssart., Trimaille & Dima (2021)</small>
- Cortinarius konradianus <small>Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius korfii <small>T.Z. Wei & Y.J. Yao (2013)</small>
- Cortinarius kranabetteri <small>Niskanen, Liimat., Harrower, Ammirati & Dima (2021)</small>
- Cortinarius krombholzii <small>Fr. (1874)</small>
- Cortinarius kunicensis <small>Moënne-Locc. (2001)</small>
L
- Cortinarius laccarioides <small>Miyauchi (2001)</small>
- Cortinarius laccariphyllus <small>Y. Li & M.L. Xie (2020)</small>
- Cortinarius laccatus <small>Reumaux (1982)</small>
- Cortinarius lacertianus <small>E. Horak (1995)</small>
- Cortinarius lachanus <small>Soop (2016)</small>
- Cortinarius lacteus <small>Gasparini (2007)</small>
- Cortinarius lacticeps <small>Murrill (1945)</small>
- Cortinarius lacus <small>Rob. Henry (1981)</small>
- Cortinarius lacustris <small>Moënne-Locc. & Reumaux (1997)</small>
- Cortinarius laetabilis <small>Herp. (1912)</small>
- Cortinarius laetargutus <small>Chevassut & Rob. Henry (1978)</small>
- Cortinarius laetelamellatus <small>Gasparini (2008)</small> â Australia
- Cortinarius laeticolor <small>Murrill (1952)</small>
- Cortinarius laetifolius <small>E. Horak (1975)</small>
- Cortinarius laetissimus <small>Rob. Henry (1957)</small>
- Cortinarius laetus <small>M.M. Moser (1968)</small>
- Cortinarius laevisporus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius lajeannei <small>Rob. Henry (1986)</small>
- Cortinarius lamoureae <small>Bon (1986)</small>
- Cortinarius lamprocreas <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius lamproxanthus <small>Soop (2005)</small>
- Cortinarius lanatipes <small>Peck (1889)</small>
- Cortinarius lanceocystis <small>Moënne-Locc. & Reumaux (2003)</small>
- Cortinarius lanceolatus <small>M. Wallace (2018) - Aotearoa New Zealand</small>
- Cortinarius laniger <small>Fr. (1838)</small>
- Cortinarius lapidophilus <small>Peck (1878)</small>
- Cortinarius largiformis <small>Murrill (1944)</small>
- Cortinarius largofulgens <small>(E. Horak) G. Garnier (1991)</small>
- Cortinarius largus <small>Fr. (1838)</small>
- Cortinarius lasiospermus <small>M.M. Moser (1968)</small>
- Cortinarius lateritiofocalis <small>Rob. Henry (1989)</small>
- Cortinarius lateritius <small>Bidaud, Hermitte & Poumarat (2014)</small>
- Cortinarius latifolius <small>M.M. Moser (1975)</small>
- Cortinarius latiodistributus <small>Dima, Ammirati, Niskanen, Kytöv., Liimat. & Brandrud (2021)</small>
- Cortinarius latobalteatus <small>(Jul. Schäff.) M.M. Moser (1967)</small>
- Cortinarius latomellitus <small>Rob. Henry (1986)</small>
- Cortinarius latus <small>(Pers.) Fr. (1838)</small>
- Cortinarius lavandulocaeruleus <small>Cleland & J.R. Harris (1948)</small>
- Cortinarius lazoi <small>M.M. Moser (1975)</small>
- Cortinarius lazulinus <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius lebre <small>Garrido (1988)</small>
- Cortinarius lebretonii <small>Quél. (1880)</small>
- Cortinarius leguminosus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius leiocastaneus <small>Niskanen, Liimat. & Soop (2008)</small>
- Cortinarius leochrous <small>Jul. Schäff. (1949)</small>
- Cortinarius leoninus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius leproleptopus <small>Chevassut & Rob. Henry (1988)</small>
- Cortinarius leptocephalus <small>Rob. Henry (1939)</small>
- Cortinarius leptocystis <small>M.M. Moser (1975)</small>
- Cortinarius leptosporus <small>Reumaux (1985)</small>
- Cortinarius leubae <small>Rob. Henry (1995)</small>
- Cortinarius leucanthemium <small>Gasparini (2008)</small> â Australia
- Cortinarius leucocephalus <small>(Massee) Peintner & M.M. Moser (2002)</small>
- Cortinarius leucoloma <small>M.M. Moser (1975)</small>
- Cortinarius leucophaeatus <small>Rob. Henry (1985)</small>
- Cortinarius leucoscobinaceus <small>BallarÃÂ , Mahiques & Garrido-Ben. (2021)</small>
- Cortinarius levipileus <small>J. Favre (1955)</small>
- Cortinarius levisporus <small>(Massee & Rodway ex Rodway) Peintner & M.M. Moser (2002)</small>
- Cortinarius lewisii <small>O.K. Mill. (1993)</small>
- Cortinarius lignarius <small>Peck (1873)</small>
- Cortinarius lignicola <small>Bidaud (1994)</small>
- Cortinarius lignipes <small>Carteret & Reumaux (2013)</small>
- Cortinarius lignyotus <small>E. Horak (1975)</small>
- Cortinarius lilaceus <small>(Schwalb) Para (2020)</small>
- Cortinarius lilacinicolor <small>Reumaux (1996)</small>
- Cortinarius lilacinoarmillatus <small>Semwal & Dima (2019)</small>
- Cortinarius lilacinobrunnescens <small>Bidaud & Boisselet (2011)</small>
- Cortinarius lilacinoclavatus <small>Rob. Henry (1977)</small>
- Cortinarius lilacinocolossus <small>M.M. Moser (2000)</small>
- Cortinarius lilacinofulvus <small>Cleland (1933)</small>
- Cortinarius lilacinopes <small>Britzelm. (1895)</small>
- Cortinarius lilacinus <small>Peck (1873)</small>
- Cortinarius limbatus <small>M.M. Moser (1975)</small>
- Cortinarius limonioides <small>M.M. Moser (1975)</small>
- Cortinarius lindstroemii <small>Niskanen, Kytov. & Liimat. (2020)</small>
- Cortinarius lividomalvaceus <small>Eyssart., Trendel, L. Albert & Dima (2017)</small>
- Cortinarius livido-ochraceus <small>(Berk.) Berk. (1860)</small>
- Cortinarius lividopallidus <small>Rob. Henry (1985)</small>
- Cortinarius lividoviolaceus <small>(Rob. Henry ex M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius lividus <small>M.M. Moser (1975)</small>
- Cortinarius livor <small>Fr. (1838)</small>
- Cortinarius liyui <small>M.L. Xie, R.Q. Ji & T.Z. Wei (2023)</small>
- Cortinarius llimonae <small>Vila (2002)</small>
- Cortinarius lobatus <small>Bidaud & Armada (2014)</small>
- Cortinarius longicaudus <small>M.M. Moser (1975)</small>
- Cortinarius longipes <small>Peck (1873)</small>
- Cortinarius longisporus <small>(Murrill) Singer (1951)</small>
- Cortinarius longistipitatus <small>Saba, Jabeen, Khalid & Dima (2017)</small>
- Cortinarius loringii <small>Ammirati, Liimat. & Niskanen (2021)</small>
- Cortinarius lubricanescens <small>Soop (2001)</small>
- Cortinarius lubricus <small>Poirier & Reumaux (2000)</small>
- Cortinarius lucandii <small>Bidaud, Carteret & Reumaux (2014)</small>
- Cortinarius luci <small>Rob. Henry (1940)</small>
- Cortinarius lucorum <small>(Fr.) E. Berger (1846)</small>
- Cortinarius ludibriosus <small>Carteret (2000)</small>
- Cortinarius ludificabilis <small>Moënne-Locc. & Reumaux (1996)</small>
- Cortinarius lugubris <small>M.M. Moser (1975)</small>
- Cortinarius lundellii <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius luridus <small>Rob. Henry (1969)</small>
- Cortinarius luteifolius <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius luteinus <small>Soop (2003)</small>
- Cortinarius luteirufescens <small>(Bougher) Peintner & M.M. Moser (2002)</small>
- Cortinarius luteoalbus <small>(Longyear) Singer (1939)</small>
- Cortinarius luteoallutus <small>Rob. Henry ex Bidaud & Reumaux (2006)</small>
- Cortinarius luteobrunneus <small>Peintner & M.M. Moser (2002)</small>
- Cortinarius luteocarnosus <small>(Raithelh.) Peintner & M.M. Moser (2002)</small>
- Cortinarius luteocoeruleus <small>M.M. Moser (1975)</small>
- Cortinarius luteogracilis <small>Rob. Henry (1969)</small>
- Cortinarius luteolilacinus <small>Chevassut & Rob. Henry (1975)</small>
- Cortinarius luteomelleus <small>M.M. Moser (1975)</small>
- Cortinarius luteoornatus <small>(M.M. Moser) Bidaud, Moënne-Locc. & Reumaux (1995)</small>
- Cortinarius luteoperonatus <small>Bidaud & Cheype (1997)</small>
- Cortinarius luteopulveratus <small>(Rob. Henry) Carteret & Reumaux (2010)</small>
- Cortinarius luteorufus <small>Chevassut & Rob. Henry (1978)</small>
- Cortinarius luteostriatulus <small>(M.M. Moser & E. Horak) G. Garnier (1991)</small>
- Cortinarius luteovelatus <small>Reumaux (2002)</small>
- Cortinarius lutescens <small>Peck (1889)</small>
- Cortinarius lutulentus <small>Jul. Schäff. (1947)</small>
- Cortinarius lux-nymphae <small>Melot (1989)</small>
- Cortinarius luxuriatus <small>Britzelm. (1885)</small>
- Cortinarius lychnuchus <small>Rob. Henry (1996)</small>
M
- Cortinarius lychnuchus <small>Rob. Henry (1996)</small>
- Cortinarius macilentosporus <small>M.M. Moser (1968)</small>
- Cortinarius macilentus <small>M.M. Moser (1975)</small>
- Cortinarius macrosporus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius maculatocaespitosus <small>Bidaud (2009)</small>
- Cortinarius maculatus <small>A.E. Johnson (1878)</small>
- Cortinarius maculobulga <small>Danks, T. Lebel & Vernes (2010)</small>
- Cortinarius madidus <small>Gasparini (2007)</small>
- Cortinarius magaliae <small>Rob. Henry (1996)</small>
- Cortinarius magellanicoalbus <small>Salgado Salomón & Peintner (2018)</small>
- Cortinarius magellanicus <small>Speg. (1887)</small> â South America, New Zealand
- Cortinarius maginensis <small>J.D. Reyes & A. Mateos (2021)</small>
- Cortinarius magispilomeus <small>Liimat. & Niskanen (2021)</small>
- Cortinarius magisporus Bidaud <small>(2004)</small>
- Cortinarius magnae-silvae <small>Consiglio (2000)</small>
- Cortinarius magnivelatus <small>Dearn. ex Fogel (1995)</small>
- Cortinarius magnusii <small>Melot (1992)</small>
- Cortinarius mairei <small>M.M. Moser (1967)</small>
- Cortinarius majestaticus <small>(E. Horak) T.P. Anderson & Orlovich (2016)</small>
- Cortinarius major <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius majorinus <small>Moënne-Locc. (2000)</small>
- Cortinarius majusculus <small>Kühner (1955)</small>
- Cortinarius malachius <small>(Fr.) Fr. (1838)</small>
- Cortinarius malenconii <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius malicorius <small>Fr. (1838)</small> â also known as Dermocybe malicoria (North America)
- Cortinarius mallaensis <small>Kytov., Niskanen & Liimat. (2020)</small>
- Cortinarius malleatus <small>Bidaud & Fillion (1998)</small>
- Cortinarius malodorus <small>Y. Lamoureux, Lebeuf, A. Paul & J. Landry (2021)</small>
- Cortinarius malosinae <small>Soop (2008)</small> â New Zealand
- Cortinarius malvaceopileatus <small>Bidaud & Raffini (2011)</small>
- Cortinarius mammillatus <small>KaÃ
Âucka, Kytöv., Niskanen & Liimat. (2021)</small>
- Cortinarius mammosus <small>Kauffman (1918)</small>
- Cortinarius manifestus <small>Rob. Henry (1981)</small>
- Cortinarius marcellae <small>Rob. Henry (1983)</small>
- Cortinarius margaritisporus <small>M.M. Moser (1975)</small>
- Cortinarius marginato-ochrascens <small>Rob. Henry (1988)</small>
- Cortinarius marginatosplendens <small>Reumaux (1980)</small>
- Cortinarius mariandrus <small>Liimat. & Niskanen (2022)</small>
- Cortinarius marmoratus <small>E. Horak (1990)</small>
- Cortinarius marylandensis <small>(Ammirati) Ammirati, Niskanen & Liimat. (2013)</small> â North America
- Cortinarius mascardiensis <small>San-Fabian, Niskanen & Liimat. (2018)</small>
- Cortinarius masseei <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius mastoideus <small>Fillion & Moënne-Locc. (2004)</small> â Australia
- Cortinarius matae <small>Ammirati, Halling, Liimat. & Niskanen (2021)</small>
- Cortinarius mattiae <small>Soop (2010)</small>
- Cortinarius maulensis <small>M.M. Moser (1975)</small>
- Cortinarius mavens <small>Herp. (1912)</small>
- Cortinarius maxistriatulus <small>Rob. Henry (1968)</small>
- Cortinarius medius <small>Rob. Henry (1993)</small>
- Cortinarius megacystidiosus <small>Reumaux (2012)</small>
- Cortinarius megalochondrus <small>Rob. Henry (1985)</small>
- Cortinarius megasporus <small>Singer (1949)</small>
- Cortinarius melanoleucus <small>Bidaud & Fillion (2010)</small>
- Cortinarius meleagris <small>(E. Horak & G.M. Taylor) E. Horak, Peintner, M.M. Moser & Vilgalys (2002)</small> (previously Rozites meleagris) â New Zealand
- Cortinarius meletlac <small>Polman-Short, Jem. Barret, Orlovich & T. Lebel (2025)</small> â Australia, New Zealand
- Cortinarius melimyxa <small>E. Horak (1990)</small>
- Cortinarius melitus <small>(Velen.) Moënne-Locc. & Reumaux (1990)</small>
- Cortinarius melizeus <small>E. Horak (1975)</small>
- Cortinarius melleifolius <small>Britzelm. (1892)</small>
- Cortinarius melleipes <small>(Murrill) Singer (1951)</small>
- Cortinarius melleoalbus <small>Liimat., Niskanen & Ammirati (2022)</small>
- Cortinarius melleomitis <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius melleopallens <small>(Fr.) Britzelm. (1892)</small>
- Cortinarius melleopallentium <small>Rob. Henry (1981)</small>
- Cortinarius melleus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius memoriae <small>(Rob. Henry) Rob. Henry (1992)</small>
- Cortinarius mendicus <small>M.M. Moser (1975)</small>
- Cortinarius meridionalis <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius meridonalis <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius mesophaeus <small>M.M. Moser (1975)</small>
- Cortinarius metallicus <small>(Bougher, Fuhrer & E. Horak) Peintner, E. Horak, M.M. Moser & Vilgalys (2002)</small> (previously Rozites metallica) Australia
- Cortinarius metapolychrous <small>M.M. Moser (1968)</small>
- Cortinarius methecticus <small>Rob. Henry (1983)</small>
- Cortinarius metrodii <small>Rob. Henry (1985)</small>
- Cortinarius mexicanus <small>Murrill (1912)</small>
- Cortinarius micaceus <small>M.M. Moser (1975)</small>
- Cortinarius michiganensis <small>Kauffman (1907)</small>
- Cortinarius microarcheri <small>Cleland (1933)</small> - Australia
- Cortinarius microglobisporus <small>Peintner, Bellù & E. Borghi (2014)</small>
- Cortinarius microsemen <small>Bidaud, Carteret & Reumaux ex Carteret & Frund (2013)</small>
- Cortinarius microsporus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius millaresensis <small>BallarÃÂ , Mahiques & Garrido-Ben. (2016)</small>
- Cortinarius milliaris <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius miltinophyllus <small>Reumaux (2010)</small>
- Cortinarius milvinicolor <small>Moënne-Locc. & Reumaux (1997)</small>
- Cortinarius mimicus <small>Carteret (2004)</small>
- Cortinarius miniatopus <small>J.E. Lange (1940)</small>
- Cortinarius minicaninus <small>Rob. Henry (1993)</small>
- Cortinarius minicolor <small>Rob. Henry (1989)</small>
- Cortinarius minilacus <small>Soop, J.A. Cooper & Dima (2018) - Aotearoa New Zealand</small>
- Cortinarius minimus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius miniobtusus <small>Rob. Henry (1968)</small>
- Cortinarius minorisporus <small>X. Yue Wang & J.A. Cooper (2020)</small> â New Zealand
- Cortinarius minoscaurus <small>Soop (2001)</small>
- Cortinarius minusculus <small>Liimat. & Niskanen (2019)</small>
- Cortinarius minutalis <small>Lamoure (1977)</small>
- Cortinarius minutulus <small>J. Favre (1955)</small>
- Cortinarius mirabilis <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius miraculosus <small>Melot (1980)</small>
- Cortinarius mirandus <small>Moënne-Locc. & Reumaux (1994)</small>
- Cortinarius mirificus <small>Reumaux (2000)</small>
- Cortinarius mirus <small>Bidaud & Eyssart. (2003)</small>
- Cortinarius miser <small>M.M. Moser (1967)</small>
- Cortinarius mitis <small>M.M. Moser (1975)</small>
- Cortinarius mitratus <small>Herp. (1912)</small>
- Cortinarius miwok <small>Bojantchev (2013)</small> â North America
- Cortinarius modestus <small>Peck (1874)</small>
- Cortinarius montebelloensis <small>Niskanen & Liimat. (2014)</small>
- Cortinarius montensis <small>Bidaud (2001)</small>
- Cortinarius monticola <small>Rob. Henry (1989)</small>
- Cortinarius montis-albi <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius montis-dei <small>Reumaux (1980)</small>
- Cortinarius morenensis <small>San-Fabian, Niskanen & Liimat. (2018)</small>
- Cortinarius morlaisianus <small>Rob. Henry (1970)</small>
- Cortinarius morrisii <small>Peck (1905)</small> - North America
- Cortinarius moserianus <small>Bohus (1970)</small> âÂÂEurope
- Cortinarius mtaoensis <small>C. Sharp (2020)</small>
- Cortinarius mucicola <small>A.H. Sm. (1944)</small>
- Cortinarius mucifluoides <small>Rob. Henry ex Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius mucifluus <small>Fr. (1838)</small>
- Cortinarius mucosoamarissimus <small>Rob. Henry (1957)</small>
- Cortinarius mucosus <small>(Bull.) J. Kickx f. (1867)</small>
- Cortinarius mucronatus <small>Rob. Henry (1986)</small>
- Cortinarius mukuvusiensis <small>C. Sharp & B. Dima (2020)</small>
- Cortinarius multicolor <small>M.M. Moser (1967)</small>
- Cortinarius multiformium <small>Consiglio & Moënne-Locc. (2004)</small>
- Cortinarius multisquamulosus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius multivagus Britzelm. <small>(1891)</small>
- Cortinarius mululeus <small>E.H.L. Krause (1928)</small>
- Cortinarius muricinoides <small>Reumaux & Moënne-Locc. (1989)</small>
- Cortinarius muricinus <small>Fr. (1838)</small>
- Cortinarius murinascens <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius muscicola <small>Liimat., Danhao Wang, D. Savage & Niskanen (2022)</small>
- Cortinarius musciphilus <small>Bidaud & P.-A. Moreau (2016)</small>
- Cortinarius musisporus <small>(Bougher & Castellano) Gasparini (2014)</small>
- Cortinarius mussooriensis <small>Rawla (1991)</small>
- Cortinarius mustella <small>(M.M. Moser) Peintner & M.M. Moser (2002)</small>
- Cortinarius mustellinus <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius mutans <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius muxoproteus <small>Rob. Henry (1992)</small>
- Cortinarius mycenarum <small>Soop (2016)</small>
- Cortinarius mysoides <small>Soop (2016)</small>
- Cortinarius myxacioides <small>M.M. Moser (1975)</small>
- Cortinarius myxo-anomalus <small>Kühner (1989)</small>
- Cortinarius myxoazureus <small>Rob. Henry (1992)</small>
- Cortinarius myxoduracinus <small>E. Horak (1975)</small>
- Cortinarius myxothece <small>E. Horak (1975)</small>
N
- Cortinarius nahuelbutensis <small>(Garrido & E. Horak) G. Garnier (1991)</small>
- Cortinarius nahuelhuapensis <small>N. Pastor & Nouhra (2019)</small>
- Cortinarius nanceiensis <small>Maire (1912)</small>
- Cortinarius nanus <small>Melot (1989)</small>
- Cortinarius naphthalinus <small>Soop (2001)</small>
- Cortinarius napivelatus <small>(E. Horak) Peintner & M.M. Moser (2002)</small>
- Cortinarius napivolvata <small>E. Horak (1980)</small>
- Cortinarius nasutus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius natrocognitus <small>Rob. Henry (1995)</small>
- Cortinarius naucinus <small>M.M. Moser (1975)</small>
- Cortinarius nauseosouraceus <small>Niskanen, Liimat. & Ammirati (2013)</small>
- Cortinarius navisporus <small>Rob. Henry (1990)</small>
- Cortinarius nebularis <small>Moënne-Locc. & Reumaux (1990)</small>
- Cortinarius necessarius <small>E. Horak (1990)</small>
- Cortinarius nefastus <small>Carteret & Reumaux (2015)</small>
- Cortinarius neglectus <small>Carteret (2013)</small>
- Cortinarius neoarmillatus <small>Hongo (1969)</small>
- Cortinarius neocaledonicus <small>E. Horak (1990)</small>
- Cortinarius neocolus <small>Reumaux & Sasia (2011)</small>
- Cortinarius neofallax <small>Carteret & Reumaux (2004)</small>
- Cortinarius neofurvolaesus <small>Kytöv., Niskanen, Liimat. & H. Lindstr. (2005)</small>
- Cortinarius neosanguineus <small>Ammirati, Liimat. & Niskanen (2013)</small> â North America
- Cortinarius neotorvus <small>Y. Li, M.L. Xie & T.Z. Wei (2020)</small>
- Cortinarius neotropicus <small>E. Harrower (2015)</small> â Costa Rica to Columbia
- Cortinarius nettieae <small>Ammirati, C.L. Cripps, Liimat., Niskanen & Dima (2021)</small>
- Cortinarius neuquensis <small>Salgado Salomón, Peintner, Liimat. & Niskanen (2021)</small>
- Cortinarius nigrellus <small>Peck (1873)</small>
- Cortinarius nigrescens <small>(Reumaux) Reumaux (2000)</small>
- Cortinarius nigricans <small>(Velen.) Singer (1937)</small>
- Cortinarius nigriculus <small>Bidaud & Reumaux (1994)</small>
- Cortinarius nigrocuspidatus <small>Kauffman (1923)</small>
- Cortinarius nigromammosus <small>Reumaux (2004)</small>
- Cortinarius nigro-obtusus <small>Moënne-Locc. (2004)</small>
- Cortinarius nigro-olidus <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius nigrosquamosus <small>Hongo (1969)</small>
- Cortinarius nijerrus <small>Gasparini (2007)</small>
- Cortinarius niphophilus <small>(Trappe & Claridge) Gasparini (2014)</small>
- Cortinarius nitellinus <small>M.M. Moser (1975)</small>
- Cortinarius nitens <small>P. Karst. (1893)</small>
- Cortinarius nivalis <small>(E. Horak) Peintner & M.M. Moser (2002)</small>
- Cortinarius niveoglobosus <small>H. Lindstr. (1992)</small>
- Cortinarius niveostipitatus <small>SvrÃÂek (1996)</small>
- Cortinarius niveotraganus <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius nodosisporus <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius nolaneiformis <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius norvegicus <small>Høil. (1984)</small>
- Cortinarius nothoanomalus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius nothocollinitus <small>M.M. Moser (1975)</small>
- Cortinarius nothodamascenus <small>M.M. Moser (1975)</small>
- Cortinarius nothoduracinus <small>Carteret (2012)</small>
- Cortinarius nothofagi <small>(E. Horak) E. Horak (1980)</small>
- Cortinarius nothosaniosus <small>M.M. Moser (1966)</small>
- Cortinarius nothovenetus <small>(M.M. Moser) G. Garnier (1991)</small>
- Cortinarius novae-zelandiae <small>(D.A. Reid) J.A. Cooper (2023)</small>
- Cortinarius nucicolor <small>Liimat., Niskanen & Kytöv. (2014)</small>
- Cortinarius nudipes <small>Earle (1902)</small>
- Cortinarius nummoides <small>Rob. Henry (1989)</small>
- Cortinarius nymphatus <small>Kytöv., Niskanen, Liimat. & Bojantchev (2016)</small>
O
- Cortinarius obesisporus <small>Moënne-Locc. & Ramm (2000)</small>
- Cortinarius obesus <small>E. Horak (1975)</small>
- Cortinarius obliquus <small>Peck (1902)</small>
- Cortinarius oblongisporus <small>(G.W. Beaton, Pegler & T.W.K. Young) Gasparini (2014), (= Quadrispora oblongispora)</small>
- Cortinarius obrusseus <small>E. Horak (1975)</small>
- Cortinarius obscurefoliatus <small>Rob. Henry (1985)</small>
- Cortinarius obscurissimo-amarus <small>E. Ludw. & M. Huth (2017)</small>
- Cortinarius obscuroarmeniacus <small>M.M. Moser (1975)</small>
- Cortinarius obscurocyaneus <small>Secr. ex J. Schröt. (1889), (= Cortinarius infractus)</small>
- Cortinarius obscuro-oliveus <small>(M.M. Moser) G. Garnier (1991)</small>
- Cortinarius obscurus <small>M.M. Moser (1975)</small>
- Cortinarius obtectus <small>Peintner, E. Horak, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius obtusobadius <small>Bidaud & Carteret (2003)</small>
- Cortinarius obtusobrunneus <small>Rob. Henry (1968)</small>
- Cortinarius obtusocrenatus <small>Rob. Henry (2003)</small>
- Cortinarius obtusoduracinoides <small>Rob. Henry (1968)</small>
- Cortinarius obtusorum <small>Rob. Henry (1968)</small>
- Cortinarius obtusotinctus <small>Rob. Henry (1968)</small>
- Cortinarius obtusus <small>(Fr.) Fr. (1838)</small>
- Cortinarius obvius <small>E. Horak (1980)</small>
- Cortinarius occentus <small>E. Horak (1980)</small>
- Cortinarius occidentalisagacitas <small>Liimat., Niskanen, Kytov. & Ammirati (2020)</small>
- Cortinarius ocellatus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius ochraceoazureus <small>(E. Horak) Peintner & M.M. Moser (2002)</small>
- Cortinarius ochraceocinctus <small>M.M. Moser (1975)</small>
- Cortinarius ochraceocoeruleus <small>M.M. Moser (1975)</small>
- Cortinarius ochraceodiscus <small>D.J. McLaughlin & Ammirati (2021)</small>
- Cortinarius ochraceofulvus <small>Cleland (1933)</small>
- Cortinarius ochraceolamellatus <small>M.M. Moser (1975)</small>
- Cortinarius ochraceoleoninus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius ochraceo-olivascens <small>Rob. Henry ex Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius ochraceovestitus <small>Bidaud (2012)</small>
- Cortinarius ochreatus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius ochrofulvescens <small>Rob. Henry (1970)</small>
- Cortinarius ochroglutinosus <small>Liimat. & Niskanen (2021)</small>
- Cortinarius ochrojanthinus <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius ochrolamellatus <small>Ballara, Liimat., Brandrud & Mahiques (2020)</small>
- Cortinarius ochroleucoides <small>Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius ochroluridus <small>M.M. Moser (2001)</small>
- Cortinarius ochropallens <small>Liimat., Niskanen & Ammirati (2013)</small>
- Cortinarius ochroruber <small>Rob. Henry (1957)</small>
- Cortinarius odhinnii <small>Melot (1989)</small>
- Cortinarius odoritraganus <small>Niskanen, Liimat. & Ammirati (2020)</small>
- Cortinarius ohauensis <small>(Soop) Peintner & M.M. Moser (2002)</small>
- Cortinarius ohlone <small>Bojantchev (2013)</small> â California
- Cortinarius oleaginus <small>Cleland & J.R. Harris (1948)</small>
- Cortinarius olens <small>Gasparini (2014)</small>
- Cortinarius oleosus <small>Gasparini (2014)</small>
- Cortinarius olfactorius <small>Bidaud (2000)</small>
- Cortinarius olididisjungendus <small>Liimat., Niskanen, Dima & Kytöv. (2014)</small>
- Cortinarius olidolens <small>Rob. Henry (1986)</small>
- Cortinarius olivaceobubalinus <small>(M.M. Moser) G. Garnier (1991)</small>
- Cortinarius olivaceodes <small>Kauffman (1907)</small>
- Cortinarius olivaceofulvus <small>Kauffman & A.H. Sm. (1933)</small>
- Cortinarius olivaceofumosus <small>E. Horak (1995)</small>
- Cortinarius olivaceofuscus <small>Kühner (1955)</small>
- Cortinarius olivaceoluteus <small>Ammirati, Bojantchev, K.W. Hughes, Liimat. & Niskanen (2014)</small>
- Cortinarius olivaceoniger <small>(E. Horak) G. Garnier (1991)</small>
- Cortinarius olivaceopictus <small>Ammirati & A.H. Sm. (1977)</small> â edible, but deadly look-alikes (C. gentilis)
- Cortinarius olivaceosquamosus <small>Niskanen, A. Paul, Lebeuf, Y. Lamoureux, J. Landry, Matheny & Liimat. (2021)</small>
- Cortinarius olivaceostramineus <small>Kauffman (1905)</small>
- Cortinarius olivascens <small>(Batsch) Fr. (1838)</small>
- Cortinarius olivascentium <small>Rob. Henry (1952)</small>
- Cortinarius olivellostriatus <small>M.M. Moser (1975)</small>
- Cortinarius olivellus <small>Rob. Henry (1952)</small>
- Cortinarius oliveoicterinus <small>(M.M. Moser) G. Garnier (1991)</small>
- Cortinarius olivipes <small>(M.M. Moser) G. Garnier (1991)</small>
- Cortinarius olorinum <small>(E. Horak) Peintner & M.M. Moser (2002)</small>
- Cortinarius olsoniae <small>N. Siegel, S.D. Adams & Bojantchev (2023)</small>
- Cortinarius ombrophilus <small>M.M. Moser (1975)</small>
- Cortinarius ominosus <small>Bidaud (1994)</small>
- Cortinarius omissus <small>Bidaud, Moënne-Locc. & Reumaux (1994)</small>
- Cortinarius omphalosmus <small>Rob. Henry (1981)</small>
- Cortinarius opaculus <small>Soop (2013)</small>
- Cortinarius opertaneus <small>Reumaux (2001)</small>
- Cortinarius ophiopoides <small>Moënne-Locc. (2003)</small>
- Cortinarius ophryx <small>Soop (2013)</small>
- Cortinarius opizii <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius opulentus <small>M.M. Moser (1975)</small>
- Cortinarius orasericeus <small>Rob. Henry (1983)</small>
- Cortinarius orastriatus <small>Rob. Henry (1981)</small>
- Cortinarius oreades <small>Murrill (1945)</small>
- Cortinarius oreinus <small>(Rob. Henry) Eyssart. (2008)</small>
- Cortinarius orellanosus <small>Ammirati & Matheny (2010)</small>
- Cortinarius orellanus <small>Fr. (1838)</small> â Europe, North America
- Cortinarius oreobius <small>J. Favre (1955)</small>
- Cortinarius oreoborealis <small>Cadiñanos, M.M. Gómez & Ballarà(2016)</small>
- Cortinarius oreomunneae <small>Corrales, Ovrebo, Ammirati, Liimat. & Niskanen (2021)</small>
- Cortinarius orichalceolens <small>Rob. Henry (1986)</small>
- Cortinarius orichalceus <small>(Batsch) Fr. (1838)</small>
- Cortinarius orixanthus <small>Soop (2008)</small> â New Zealand
- Cortinarius ornatus <small>(Velen.) G. Garnier (1991)</small>
- Cortinarius orphinus <small>Peintner & M.M. Moser (2002)</small>
- Cortinarius ortegae <small>Mahiques, BallarÃÂ , Salom, Bellanger & Garrido-Ben. (2018)</small>
- Cortinarius ortonii <small>Moënne-Locc. & Reumaux (1992)</small>
- Cortinarius ortovernus <small>BallarÃÂ & Mahiques (2009)</small>
- Cortinarius osfulgentis <small>Rob. Henry (1992)</small>
- Cortinarius osmetus <small>Rob. Henry (1977)</small>
- Cortinarius ostrovecensis <small>SvrÃÂek (1996)</small>
- Cortinarius ostruophilus <small>Rob. Henry (1989)</small>
- Cortinarius oulankaensis <small>Kytöv., Niskanen, Liimat. & H. Lindstr. (2013)</small> â Europe
- Cortinarius ovargutus <small>Chevassut & Rob. Henry (1978)</small>
- Cortinarius ovatosporus <small>Rob. Henry (1968)</small>
- Cortinarius ovatosporus <small>Rob. Henry (2003)</small>
- Cortinarius ovreboi <small>Ammirati, Halling & Garnica (2007), (= Thaxterogaster ovreboi)</small>
- Cortinarius oxycephalus <small>Rob. Henry (1970)</small>
- Cortinarius oxytoneus <small>Rob. Henry (1981)</small>
P
- Cortinarius pachynemeus <small>M.M. Moser (1975)</small>
- Cortinarius pachypus <small>M.M. Moser (1968)</small>
- Cortinarius pachythelis <small>M.M. Moser (1975)</small>
- Cortinarius pachythrix <small>M.M. Moser (1975)</small>
- Cortinarius pacificus <small>Liimat., Niskanen & Ammirati (2022)</small>
- Cortinarius paezii <small>Garrido-Benavent, BallarÃÂ , Liimat. & Mahiques (2020)</small>
- Cortinarius paguentus <small>Garrido & E. Horak (1988)</small>
- Cortinarius pakistanicus <small>A. Naseer & A.N. Khalid (2020)</small>
- Cortinarius palatinus <small>E. Harrower (2015)</small> â Costa Rica
- Cortinarius paliformis <small>Thiers (1960)</small>
- Cortinarius palissandrinus <small>Soop (2013)</small>
- Cortinarius pallens <small>Eyssart. & Reumaux (2001)</small>
- Cortinarius pallidibrunneus <small>Niskanen, Kytov. & Liimat. (2020)</small>
- Cortinarius pallidipes <small>M.M. Moser ex Nezdojm. (1983)</small>
- Cortinarius pallidoferrugineus <small>Bidaud (2014)</small>
- Cortinarius pallidofulvus <small>Rob. Henry (1968)</small>
- Cortinarius pallidogriseus <small>(Rob. Henry) Bidaud & Reumaux (2009)</small>
- Cortinarius pallidolamellatus <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius pallidolutescens <small>Rob. Henry (1958)</small>
- Cortinarius pallidophyllus <small>Reumaux (2008)</small>
- Cortinarius pallidostriatoides <small>Moënne-Locc. & Reumaux (2003)</small>
- Cortinarius pallidostriatus <small>Rob. Henry (1968)</small>
- Cortinarius pallidulus <small>Rob. Henry (1957)</small>
- Cortinarius pallidus <small>Peck (1889)</small>
- Cortinarius palmicola <small>Sathe & J.T. Daniel (1981)</small>
- Cortinarius paludicola <small>M.M. Moser (1975)</small>
- Cortinarius paludinellus <small>Moënne-Locc. (2003)</small>
- Cortinarius paludosaniosus <small>Liimat., Niskanen, Dima & Ammirati (2017)</small>
- Cortinarius paludosus <small>Peck (1890)</small>
- Cortinarius panamaensis <small>Corrales, Ovrebo, Ammirati, Liimat. & Niskanen (2021)</small>
- Cortinarius panchrous <small>E. Horak (1975)</small>
- Cortinarius panellus <small>Soop (2009)</small>
- Cortinarius pantherinus <small>Jul. Schäff. ex Reumaux (2004)</small>
- Cortinarius papaver <small>Soop (2001)</small>
- Cortinarius papuanus <small>E. Horak (1995)</small>
- Cortinarius parabibulus <small>M.M. Moser (1975)</small>
- Cortinarius paracrassus <small>Reumaux (1995)</small>
- Cortinarius paracyanopus <small>Moënne-Locc. & Reumaux (1996)</small>
- Cortinarius paradoxus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius parafraudulosus <small>Rob. Henry (1989)</small>
- Cortinarius paragaudis <small>Fr. (1838)</small>
- Cortinarius paralbocyaneus <small>Eyssart. (2002)</small>
- Cortinarius paramethystinus <small>Bidaud & Moënne-Locc. (2002)</small>
- Cortinarius paramoenolens <small>Rob. Henry (1952)</small>
- Cortinarius paranomalus <small>Rob. Henry (1992)</small>
- Cortinarius paraochraceus <small>M.M. Moser (1975)</small>
- Cortinarius paraoniti <small>Soop (2013)</small>
- Cortinarius paraonui <small>Soop (2005)</small>
- Cortinarius paraplatypus <small>Reumaux (2001)</small>
- Cortinarius parasebaceus <small>Rob. Henry (1989)</small>
- Cortinarius parastemmatus <small>Bidaud (2010)</small>
- Cortinarius paraviolaceus <small>M.M. Moser (1987)</small>
- Cortinarius paraxanthus <small>Soop (2005)</small>
- Cortinarius paraxenosma <small>Soop & Dima (2020)</small>
- Cortinarius parazureus <small>E. Horak (1975)</small>
- Cortinarius pardinipes <small>Romagn. (1977)</small>
- Cortinarius pardipes <small>Rob. Henry (1985)</small>
- Cortinarius parelegantior <small>Moënne-Locc. & Reumaux (2003)</small>
- Cortinarius parevernioides <small>Bidaud (2014)</small>
- Cortinarius parfumatus <small>Bohus (1979)</small>
- Cortinarius parherpeticus <small>Rob. Henry (1952)</small>
- Cortinarius parhonestus <small>Reumaux (2012)</small>
- Cortinarius parkeri <small>Ammirati, M.T. Seidl & O. Ceska (2012)</small>
- Cortinarius paropimus <small>Carteret & Reumaux (2011)</small>
- Cortinarius paruraceus <small>Melot (1980)</small>
- Cortinarius parvannulatus <small>Kühner (1955)</small>
- Cortinarius parvepilus <small>Rob. Henry (1985)</small>
- Cortinarius parvoacetosus <small>Niskanen & Liimat. (2022)</small>
- Cortinarius parvostriatus <small>Rob. Henry & Contu (1985)</small>
- Cortinarius parvulisemen <small>Rob. Henry (1961)</small>
- Cortinarius parvulobtusus <small>Rob. Henry (1968)</small>
- Cortinarius parvulosquamolosus <small>Corrales, Ovrebo, Ammirati, Dima & Liimat. (2022)</small>
- Cortinarius parvulus <small>Rob. Henry (1941)</small>
- Cortinarius pastoralis <small>Soop, H. Lindstr., Dima, Niskanen, Liimat. & Kytöv. (2016)</small> - Finland (holotype), Estonia, Sweden
- Cortinarius patagoniensis <small>San-Fabian, Niskanen & Liimat. (2018)</small>
- Cortinarius paucicolor <small>E. Horak (1975)</small>
- Cortinarius paululus <small>Kokkonen (2020)</small>
- Cortinarius paulus <small>Kokkonen (2020)</small>
- Cortinarius pauperculus <small>J. Favre (1955)</small>
- Cortinarius pavelekii <small>(Trappe, Castellano & P. Rawl.) Peintner & M.M. Moser (2002)</small>
- Cortinarius paxilloides <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius pearsonii <small>P.D. Orton (1958)</small>
- Cortinarius pectochelis <small>Soop (2008)</small> â New Zealand
- Cortinarius pedemirus <small>Chevassut & Rob. Henry (1985)</small>
- Cortinarius peladae <small>M.M. Moser (1975)</small>
- Cortinarius pelargoniosmus <small>Carteret (2004)</small>
- Cortinarius pelargoniostriatulus <small>Bidaud & Fillion (2010)</small>
- Cortinarius pelerinii <small>Bellanger, Carteret & Reumaux (2013)</small>
- Cortinarius pelitnocephalus <small>Rob. Henry (1957)</small>
- Cortinarius pellin Garrido <small>(1988)</small>
- Cortinarius pellstonianus <small>Ammirati & A.H. Sm. (1972)</small>
- Cortinarius pellucidus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius peraltus <small>(Rob. Henry) Rob. Henry (1992)</small>
- Cortinarius peramaricatus <small>(Rob. Henry) Reumaux (2006)</small>
- Cortinarius perannulatus <small>Bidaud (2005)</small>
- Cortinarius peraurantiacus <small>Peintner & M.M. Moser (2002)</small>
- Cortinarius peraureus <small>Soop (1998)</small>
- Cortinarius peraurilis <small>Soop & Dima (2018) - Aotearoa New Zealand</small>
- Cortinarius percandelaris <small>Reumaux (2008)</small>
- Cortinarius percomatus <small>Rob. Henry (1984)</small>
- Cortinarius percomium <small>Rob. Henry ex Bidaud & Reumaux (2004)</small>
- Cortinarius percyaneus <small>Rob. Henry (1963)</small>
- Cortinarius perelegans <small>Soop (2001)</small>
- Cortinarius perferrugineus <small>Murrill (1939)</small>
- Cortinarius perfoetens <small>E. Horak, Peintner, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius perfulmineus <small>Bidaud, Bernaer & Moënne-Locc. (2003)</small>
- Cortinarius pergemellus <small>Bidaud (2014)</small>
- Cortinarius perizonium <small>E. Horak (1975)</small>
- Cortinarius perjurus <small>Bidaud & Reumaux (2013)</small>
- Cortinarius perlaetissimus <small>Moënne-Locc. & Reumaux (2004)</small>
- Cortinarius perlaetus <small>Rob. Henry (1969)</small>
- Cortinarius permirus <small>Carteret (2012)</small>
- Cortinarius permixtus <small>Rob. Henry (1970)</small>
- Cortinarius pernudipes <small>Bidaud (2013)</small>
- Cortinarius perochraceus <small>M.M. Moser (1975)</small>
- Cortinarius peronatorugosus <small>Rob. Henry (1957)</small>
- Cortinarius peronatosericeus <small>Rob. Henry (1957)</small>
- Cortinarius perornatus <small>Rob. Henry (1983)</small>
- Cortinarius perpallidus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius perplexus <small>Bojantchev, Ammirati & N. Siegel (2015)</small>
- Cortinarius perrotensis <small>A. Paul, Matheny & Lebeuf (2021)</small>
- Cortinarius perrugatus <small>Rob. Henry ex Carteret (2012)</small>
- Cortinarius perscitus <small>Rob. Henry (1983)</small>
- Cortinarius persimilis <small>Eyssart. & Carteret (2018)</small>
- Cortinarius personatus <small>M.M. Moser (1967)</small>
- Cortinarius persoonianus <small>Bidaud (2009)</small>
- Cortinarius persplendidus <small>Gasparini (2006)</small>
- Cortinarius perviolaceus <small>Murrill (1946)</small>
- Cortinarius perzonatus <small>Reumaux (2004)</small>
- Cortinarius pescolanensis <small>Picillo & Marchionni (2016)</small>
- Cortinarius peumo <small>Garrido (1988)</small>
- Cortinarius phaeocephalus <small>E. Horak (1975)</small>
- Cortinarius phaeochlorus <small>E. Horak (1990)</small>
- Cortinarius phaeochrous <small>J. Favre (1955)</small>
- Cortinarius phaeoleucoides <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius phaeoloma <small>Rob. Henry (1961)</small>
- Cortinarius phaeomyxa <small>(E. Horak) Peintner, E. Horak, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius phaeophyllus <small>P. Karst. (1879)</small>
- Cortinarius phaeopsathyrus <small>Rob. Henry (1961)</small>
- Cortinarius phaeopygmaeus <small>J. Favre (1955)</small>
- Cortinarius phaeoruber <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius phaeosmus <small>Rob. Henry (1981)</small>
- Cortinarius phaeouranus <small>Gasparini (2007)</small>
- Cortinarius phalarus <small>Bougher & R.N. Hilton (1989)</small>
- Cortinarius phaleratus <small>(Fr.) Peintner, M.M. Moser, E. Horak & Vilgalys (2002)</small>
- Cortinarius phellochrous <small>E. Horak (1975)</small>
- Cortinarius phenolicus <small>M.M. Moser (1975)</small>
- Cortinarius phlegmophorus <small>K.A. Thomas, M.M. Moser, Peintner & Manim. (2003)</small>
- Cortinarius pholideus <small>(Lilj.) Fr. (1838)</small>
- Cortinarius pholiotellus <small>Soop (1998)</small>
- Cortinarius phylladus <small>Rob. Henry (1983)</small>
- Cortinarius phyllophilus <small>Peck (1912)</small>
- Cortinarius piceidisjungendus <small>Kytöv., Liimat., Niskanen & Ammirati (2014)</small>
- Cortinarius picosporus <small>M.M. Moser (1975)</small>
- Cortinarius pihiur <small>Speg. (1887)</small>
- Cortinarius pikrus <small>Garrido (1988)</small>
- Cortinarius pilatii <small>SvrÃÂek (1968)</small>
- Cortinarius pinetorum <small>(Fr.) Kauffman (1923)</small>
- Cortinarius pinguis <small>(Zeller) Peintner & M.M. Moser (2002)</small>
- Cortinarius pinigaudis <small>Niskanen, Kytöv. & Liimat. (2011)</small>
- Cortinarius pinisquamulosus <small>Kytov., Niskanen & Liimat. (2020)</small>
- Cortinarius piriformis <small>(Cleland & G. Cunn.) Peintner & M.M. Moser (2002)</small>
- Cortinarius pisciodoratus <small>Bidaud & Fillion (2011)</small>
- Cortinarius pisciodorus <small>(E. Horak) Peintner & M.M. Moser (2002)</small> â New Zealand
- Cortinarius pistorius <small>Jul. Schäff. (1947)</small>
- Cortinarius pitkinensis <small>Ammirati, Liimat. & Niskanen (2014)</small>
- Cortinarius pituitosus <small>E. Horak (1990)</small>
- Cortinarius plumbosoides <small>Moënne-Locc. & Reumaux (1991)</small>
- Cortinarius plumbosus <small>Fr. (1838)</small>
- Cortinarius plumulosus <small>Rob. Henry (1977)</small>
- Cortinarius pocillodiscus <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius poecilochroma <small>Rob. Henry (1990)</small>
- Cortinarius poecilopus <small>Rob. Henry (1956)</small>
- Cortinarius poecilosperma <small>Rob. Henry (1956)</small>
- Cortinarius poeneferruginascens <small>Rob. Henry (1956)</small>
- Cortinarius polaris <small>Høil. (1984)</small>
- Cortinarius poliodes <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius politus <small>Niskanen, Liimat. & Ammirati (2013)</small>
- Cortinarius polyadelphus <small>M.M. Moser (1975)</small>
- Cortinarius polychrous <small>Rob. Henry (1952)</small>
- Cortinarius polycrossus <small>Rob. Henry (1989)</small>
- Cortinarius polymorphus <small>Rob. Henry (1985)</small>
- Cortinarius poppyzon <small>Melot (1989)</small>
- Cortinarius populorum <small>Reumaux (1990)</small>
- Cortinarius porphyreticovestitus <small>Bidaud (2004)</small>
- Cortinarius porphyreus <small>E. Horak (1975)</small>
- Cortinarius porphyroideus <small>Peintner & M.M. Moser (2002)</small> - New Zealand
- Cortinarius porphyrophaeus <small>E. Horak (1990)</small>
- Cortinarius porricolor <small>Bidaud, Moënne-Locc. & Reumaux (2004)</small>
- Cortinarius praebrevipes <small>Murrill (1938)</small>
- Cortinarius praecutus <small>Kärcher (2005)</small>
- Cortinarius praefelleus <small>Murrill (1939)</small>
- Cortinarius praelatus <small>M.M. Moser (1975)</small>
- Cortinarius praepallens <small>(Peck) Sacc. (1891)</small>
- Cortinarius praestans <small>(Cordier) Gillet (1876)</small> â goliath webcap (Europe)
- Cortinarius praestigiosus <small>(Fr.) E. Berger (1846)</small>
- Cortinarius praetervisus <small>Melot (1989)</small>
- Cortinarius prasinoides <small>Moënne-Locc., Reumaux & Fern. Sas. (2004)</small>
- Cortinarius pratensis <small>(Bon & Gaugué) Høil. (1984)</small>
- Cortinarius preslianus <small>(Velen.) Rob. Henry (1984)</small>
- Cortinarius primotectus <small>Rob. Henry (1981)</small>
- Cortinarius privignatus <small>Soop (2010)</small>
- Cortinarius privigniformis <small>Murrill (1945)</small>
- Cortinarius privignipallens <small>Kytöv., Niskanen & Liimat. (2014)</small>
- Cortinarius privignoides <small>Rob. Henry (1985)</small>
- Cortinarius procalans <small>Moënne-Locc. & Reumaux (1994)</small>
- Cortinarius procax <small>Melot (1980)</small>
- Cortinarius procerus <small>Bidaud & Moënne-Locc. (1992)</small>
- Cortinarius prodigiosus <small>B. BuÃ
¡ek, MikÃ
¡ÃÂk, Borov., D. DvoÃ
Âák, L. Albert & Dima (2015)</small>
- Cortinarius promethenus <small>Soop (2013)</small>
- Cortinarius proprius <small>Herp. (1912)</small>
- Cortinarius proximus-unus <small>(Ramm & Rob. Henry) Bidaud, Moënne-Locc., Reumaux & Rob. Henry (2000)</small>
- Cortinarius pruinatus <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius prunicola <small>Miyauchi & His. Kobay. (1998)</small>
- Cortinarius psammicola <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius psammocephalus <small>(Bull.) Fr. (1838)</small>
- Cortinarius psammophilus <small>Ade (1911)</small>
- Cortinarius psammopodioides <small>E. Horak (1975)</small>
- Cortinarius psammouraceus <small>M. Lange (1957)</small>
- Cortinarius psathyrobtusus <small>Rob. Henry (1968)</small>
- Cortinarius pseliocaulis <small>Soop & J.A. Cooper (2018) - Aotearoa New Zealand</small>
- Cortinarius pselioticton <small>Soop (2008)</small> â New Zealand
- Cortinarius pseudarcuatorum <small>Rob. Henry (1986)</small>
- Cortinarius pseudarmeniacus <small>Rob. Henry (1970)</small>
- Cortinarius pseudoacutus <small>Liimat. & Niskanen (2021)</small>
- Cortinarius pseudoanomalus <small>E. Ludw. (2017)</small>
- Cortinarius pseudoanthracinus <small>Reumaux (1994)</small>
- Cortinarius pseudoarmeniacoides <small>Carteret & Reumaux (2008)</small>
- Cortinarius pseudobalaustinus <small>Carteret & Reumaux (2013)</small>
- Cortinarius pseudobiformis <small>Bidaud & Carteret (2012)</small>
- Cortinarius pseudobolaris <small>Maire (1923)</small>
- Cortinarius pseudobovinus <small>M.M. Moser & Ammirati (1995)</small>
- Cortinarius pseudobulbosus <small>Carteret & Reumaux (2010)</small>
- Cortinarius pseudobulliardoides <small>Carteret & Reumaux (2014)</small>
- Cortinarius pseudocandelaris <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius pseudocaninus <small>Rob. Henry (1981)</small>
- Cortinarius pseudoclaricolor <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius pseudocollinitus <small>Rob. Henry ex Rob. Henry & Ramm (2000)</small>
- Cortinarius pseudocompar <small>M.M. Moser (2001)</small>
- Cortinarius pseudocrassoides <small>Rob. Henry (1977)</small>
- Cortinarius pseudocyanites <small>Rob. Henry ex Bidaud & Reumaux (2005)</small>
- Cortinarius pseudodionysae <small>Bidaud (2008)</small>
- Cortinarius pseudoduracinus <small>Rob. Henry (1938)</small>
- Cortinarius pseudofallax <small>Carteret (2004)</small>
- Cortinarius pseudofervidus <small>Niskanen, Liimat., Ammirati & Kytöv. (2014)</small>
- Cortinarius pseudoflabellus <small>Bidaud (2010)</small>
- Cortinarius pseudofulgens <small>Rob. Henry (1952)</small>
- Cortinarius pseudofulmineus <small>Rob. Henry (1939)</small>
- Cortinarius pseudofulvescens <small>Bidaud (2009)</small>
- Cortinarius pseudofusisporus <small>Bidaud (2010)</small>
- Cortinarius pseudogracilior <small>Reumaux (2006)</small>
- Cortinarius pseudograllipes <small>Herp. (1912)</small>
- Cortinarius pseudohesleri <small>Ammirati, Liimat. & Halling (2022)</small>
- Cortinarius pseudojubarinus <small>Bidaud, Moënne-Locc. & Reumaux (2013)</small>
- Cortinarius pseudonapus <small>(Rob. Henry ex M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius pseudopaleaceus <small>Herp. (1912)</small>
- Cortinarius pseudophlegma <small>Rob. Henry (1981)</small>
- Cortinarius pseudopolaris <small>Bidaud (2016)</small>
- Cortinarius pseudoporphyropus <small>Gasparini (2007)</small>
- Cortinarius pseudoprasinus <small>Bidaud & Moënne-Locc. (2004)</small>
- Cortinarius pseudopumilus <small>Moënne-Locc. (2000)</small>
- Cortinarius pseudopurpurascens <small>Hongo (1953)</small>
- Cortinarius pseudoputorius <small>Ammirati, Dima & Liimat. (2022)</small>
- Cortinarius pseudorigens <small>Rob. Henry (1970)</small>
- Cortinarius pseudorotundisporus <small>Gasparini (2008)</small> â Australia
- Cortinarius pseudorubricosus <small>Reumaux (1990)</small>
- Cortinarius pseudorugulosus <small>Rob. Henry ex Bidaud & Reumaux (2006)</small>
- Cortinarius pseudosalor <small>J.E. Lange (1940)</small>
- Cortinarius pseudoscauroides <small>Reumaux & Frund (2009)</small>
- Cortinarius pseudoscutulatus <small>Rob. Henry (1938)</small>
- Cortinarius pseudosodagnitus <small>Rob. Henry (1992)</small>
- Cortinarius pseudosuillus <small>Rob. Henry (1959)</small>
- Cortinarius pseudotorvus <small>A. Naseer, J. Khan & A.N. Khalid (2020)</small>
- Cortinarius pseudotraganus <small>Rob. Henry (1959)</small>
- Cortinarius pseudotubarius <small>Robar, K.A. Harrison & Grund (1981)</small>
- Cortinarius pseudovariicolor <small>Damblon & Lambinon (1959)</small>
- Cortinarius pseudovenetus <small>Rob. Henry (1961)</small>
- Cortinarius pseudoxiphidipus <small>Salgado Salomón & Peintner (2021)</small>
- Cortinarius psittacinus <small>M.M. Moser (1970)</small>
- Cortinarius psuedoherpeticus <small>Rob. Henry (1976)</small>
- Cortinarius pudorinus <small>E. Horak (1975)</small>
- Cortinarius puellaris <small>Brandrud, Bendiksen & Dima (2015)</small>
- Cortinarius pulcher <small>Peck (1873)</small>
- Cortinarius pulcherrimus <small>(Velen.) Rob. Henry (1991)</small>
- Cortinarius pulchrifolius <small>Peck (1883)</small>
- Cortinarius pulchripes <small>J. Favre (1948)</small>
- Cortinarius pulverobtusus <small>Rob. Henry (1968)</small>
- Cortinarius pumanquensis <small>M.M. Moser (1972)</small>
- Cortinarius punctatiformis <small>Carteret (2012)</small>
- Cortinarius puramolens <small>Rob. Henry (1981)</small>
- Cortinarius purpuratus <small>Rob. Henry (1985)</small>
- Cortinarius purpurellus <small>M.M. Moser, E. Horak, Peintner & Vilgalys (2002)</small>
- Cortinarius purpureobrunneus <small>M.M. Moser (1975)</small>
- Cortinarius purpureocapitatus <small>X. Yue Wang, J.A. Cooper, A.R. Nilsen & Orlovich (2020)</small> â New Zealand
- Cortinarius purpureoluteus <small>Lamoure (1977)</small>
- Cortinarius purpureopallens <small>Reumaux (1994)</small>
- Cortinarius purpureophyllus <small>Kauffman (1918)</small>
- Cortinarius purpureus <small>(Bull.) Bidaud, Moënne-Locc. & Reumaux (1994)</small>
- Cortinarius pusillus <small>Murrill (1945)</small>
- Cortinarius pustulatus <small>(Bidaud) Bidaud (2007)</small>
- Cortinarius putorius <small>Niskanen, Liimat. & Ammirati (2015)</small>
- Cortinarius pygmaeus <small>Fr. (1838)</small>
- Cortinarius pyrenaicus <small>Ballarà, M.M. Gómez & Cadiñanos (2016)</small>
- Cortinarius pyrinophyllus <small>Rob. Henry (1989)</small>
- Cortinarius pyromyxa <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius pyrrophaeus <small>Rob. Henry (1983)</small>
Q
R
- Cortinarius radians <small>Earle (1902)</small>
- Cortinarius radicans <small>(Velen.) Moënne-Locc. & Reumaux (1989)</small>
- Cortinarius radicidurus <small>Bidaud (2013)</small>
- Cortinarius radicifer <small>Consiglio & Reumaux (2012)</small>
- Cortinarius radicosissimus <small>Moënne-Locc. (1997)</small>
- Cortinarius radiofibrillosus <small>A. Pearson (1951)</small>
- Cortinarius rainierensis <small>A.H. Sm. & D.E. Stuntz (1950)</small>
- Cortinarius rammii <small>Rob. Henry & Ramm (1989)</small>
- Cortinarius rancidus <small>M.M. Moser (1975)</small>
- Cortinarius rapaceus <small>Fr. (1838)</small>
- Cortinarius raphanodiabolicus <small>Rob. Henry (1983)</small>
- Cortinarius raphanoides <small>(Pers.) Fr. (1838)</small> â edible, but deadly look-alikes (C. gentilis)
- Cortinarius rapiolens <small>M.M. Moser (1975)</small>
- Cortinarius rarissimus <small>Reumaux (2000)</small>
- Cortinarius rarus <small>Bojantchev, Ammirati, Parker, Liimat., Niskanen & Dima (2021)</small>
- Cortinarius rastetteri <small>Rob. Henry (1981)</small>
- Cortinarius rattinoides <small>Soop (2008)</small> â New Zealand
- Cortinarius redactus <small>Britzelm. (1885)</small>
- Cortinarius redimitus <small>(Fr.) Cooke (1888)</small>
- Cortinarius regalis <small>A.H. Sm. & P.M. Rea (1944)</small>
- Cortinarius regis-romae <small>Rob. Henry (1977)</small>
- Cortinarius regularis <small>Peck (1878)</small>
- Cortinarius repertus <small>A. Favre & Vialard (2004)</small>
- Cortinarius resectipes <small>Rob. Henry (1968)</small>
- Cortinarius resinaceus <small>M.M. Moser & McKnight (1995)</small>
- Cortinarius respersus <small>Melot (1992)</small>
- Cortinarius reticulisporus <small>Miyauchi (2001)</small>
- Cortinarius rhaebopus <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius rickenianorum <small>Rob. Henry (1992)</small>
- Cortinarius rickenianus <small>Maire (1937)</small>
- Cortinarius rickenii <small>Rob. Henry ex Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius rigens <small>(Pers.) Fr. (1838)</small>
- Cortinarius rigentium <small>Bidaud & Carteret (2008)</small>
- Cortinarius rigidiannulatus <small>A. de Haan, Lenaerts & Volders (2000)</small>
- Cortinarius rigidipes <small>M.M. Moser (1968)</small>
- Cortinarius rigidiusculus <small>Nezdojm. (1983)</small>
- Cortinarius rigidus <small>(Scop.) Fr. (1838)</small>
- Cortinarius rimosofissus <small>Rob. Henry (1983)</small>
- Cortinarius rimosus <small>Peck (1897)</small>
- Cortinarius riopancensis <small>M.M. Moser (1975)</small>
- Cortinarius rioussetorum <small>Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius roberti-henrici <small>Contu (1988)</small>
- Cortinarius roblemaulicola <small>Garrido & E. Horak (1988)</small>
- Cortinarius roblerauli <small>M.E. Salgado Salomón & U. Peintner (2018)</small>
- Cortinarius roblicola <small>Garrido (1988)</small>
- Cortinarius robustus <small>Peck (1878)</small>
- Cortinarius romagnesii <small>Rob. Henry (1937)</small>
- Cortinarius roseipes <small>(Velen.) Reumaux (1992)</small>
- Cortinarius roseivelatus <small>Kytöv., Liimat. & Niskanen (2014)</small>
- Cortinarius roseoarmillatus <small>Niskanen, Kytöv. & Liimat. (2011)</small>
- Cortinarius roseobasalis <small>Ammirati, Beug, Liimat., Niskanen & O. Ceska (2016)</small>
- Cortinarius roseobrunneus <small>Carteret (2000)</small>
- Cortinarius roseobulbus <small>M.M. Moser (1997)</small>
- Cortinarius roseobulliardioides <small>Kytöv., Niskanen, Liimat. & Ammirati (2021)</small>
- Cortinarius roseocalceolatus <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius roseolilacinus <small>(Bougher, Fuhrer & E. Horak) Peintner, E. Horak, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius roseomyceliosus <small>Bidaud (2009)</small>
- Cortinarius roseonudipes <small>Rob. Henry & Moënne-Locc. (1997)</small>
- Cortinarius roseopallidus <small>Murrill (1915)</small>
- Cortinarius roseopurpurascens <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius roseovariatus <small>Rob. Henry (1989)</small>
- Cortinarius rossicioenochelis <small>Liimat., Kytöv. & Niskanen (2017)</small>
- Cortinarius rotundisporus <small>Cleland & Cheel (1918)</small> â Australia
- Cortinarius rozites <small>Gasparini (2008)</small> â Australia
- Cortinarius rubellopes <small>Rob. Henry (1937)</small>
- Cortinarius rubellus <small>Cooke (1887)</small>
- Cortinarius rubenii <small>A. de Haan & Volders (2013)</small>
- Cortinarius rubens <small>Kauffman (1918)</small>
- Cortinarius ruber <small>Cleland (1927)</small>
- Cortinarius rubescens <small>Gasparini (2007)</small>
- Cortinarius rubeus <small>Robar, K.A. Harrison & Grund (1981)</small>
- Cortinarius rubricosissimus <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius rubricosoides <small>Bidaud & Carteret (2014)</small>
- Cortinarius rubricosus <small>(Fr.) Fr. (1838)</small>
- Cortinarius rubrimarginatus Soop (2018) - Aotearoa New Zealand
- Cortinarius rubripes <small>Peck (1906)</small>
- Cortinarius rubripurpuratus <small>Soop (2008)</small>
- Cortinarius rubrobasalis <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius rubrobrunneus <small>Ammirati, Liimat. & Niskanen (2014)</small>
- Cortinarius rubrocinctus <small>Reumaux (1995)</small>
- Cortinarius rubrocinereus <small>Peck (1883)</small>
- Cortinarius rubroclavus <small>L. Krieg. (1927)</small>
- Cortinarius rubrophyllus <small>(Moënne-Locc.) Liimat., Niskanen, Ammirati & Dima (2014)</small>
- Cortinarius rubrosanguineus <small>Bidaud, Moënne-Locc. & Reumaux (1994)</small>
- Cortinarius rubroviolaceus <small>Gasparini (2014)</small>
- Cortinarius rubrovioleipes <small>Bendiksen & K. Bendiksen (1993)</small>
- Cortinarius rufobrunneus <small>M.M. Moser (1975)</small>
- Cortinarius rufoconnatus <small>Rob. Henry (1983)</small>
- Cortinarius rufoides <small>San-Fabian, Niskanen & Liimat. (2018)</small>
- Cortinarius rufomyrrheus <small>Eyssart., Sleiman & Bellanger (2023)</small>
- Cortinarius rufosanguineus <small>S.D. Adams, Ammirati & Liimat. (2021)</small>
- Cortinarius rufosimilis <small>San-Fabian, Niskanen & Liimat. (2018)</small>
- Cortinarius rufostriatus <small>J. Favre (1955)</small>
- Cortinarius rufoviolaceus <small>Rob. Henry (1982)</small>
- Cortinarius rufuloides <small>Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius rufulus <small>Reumaux (1994)</small>
- Cortinarius rufus <small>M.M. Moser (1975)</small>
- Cortinarius rugatofibrillosus <small>A. Favre (1997)</small>
- Cortinarius rugosiceps <small>(E. Horak & G.M. Taylor) Peintner, E. Horak, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius rugosolilacinus <small>Miyauchi (2002)</small>
- Cortinarius rugosus <small>Rob. Henry (1945)</small>
- Cortinarius ruizii <small>Fern. Sas. (2003)</small>
- Cortinarius rumoribrunsi <small>Bojantchev, Ammirati, Niskanen & Liimat. (2017)</small>
- Cortinarius russeocinnamomeus <small>Cleland (1928)</small>
- Cortinarius russeus <small>Rob. Henry (1985)</small>
- Cortinarius russii <small>Bidaud & Moënne-Locc. (1993)</small>
- Cortinarius russulaespermus <small>Carteret (2004)</small>
- Cortinarius russulariellus <small>Speg. (1887)</small>
- Cortinarius rusticelloides <small>Kokkonen (2020)</small>
- Cortinarius rusticellus <small>J. Favre (1955)</small>
- Cortinarius rusticus <small>P. Karst. (1883)</small>
S
- Cortinarius sabuletorum <small>Redeuilh & Reumaux (1995)</small>
- Cortinarius sabulicola <small>Rob. Henry & Contu (1987)</small>
- Cortinarius saccharatus <small>M.M. Moser (1975)</small>
- Cortinarius sacchariosmus <small>Bon (1975)</small>
- Cortinarius saevus <small>(Rob. Henry) Bidaud (2009)</small>
- Cortinarius sagacitas <small>Kytov., Niskanen & Liimat. (2020)</small>
- Cortinarius sagarum <small>Kokkonen (2020)</small>
- Cortinarius sagatus <small>M.M. Moser (1975)</small>
- Cortinarius salicinus <small>Bidaud & Carteret (2014)</small>
- Cortinarius salicis <small>Rob. Henry (1977)</small>
- Cortinarius salicis-rosmarinifoliae <small>SvrÃÂek (1996)</small>
- Cortinarius salicticola <small>Volders & Gelderblom (2013)</small>
- Cortinarius salignus <small>(M.M. Moser & Gerw. Keller) G. Garnier (1992)</small>
- Cortinarius salmaster <small>Gasparini (2007)</small>
- Cortinarius salmastrium <small>Soop (2018) - Aotearoa New Zealand</small>
- Cortinarius salmoneobasalis <small>Bidaud (2004)</small>
- Cortinarius salmoneoroseascens <small>Chevassut & Rob. Henry (1978)</small>
- Cortinarius salmoneotomentosus <small>Rob. Henry (1977)</small>
- Cortinarius salor <small>Fr. (1838)</small> â Europe, east to Japan and New Guinea
- Cortinarius sanguineophyllus <small>Carteret (2013)</small>
- Cortinarius sanguineus <small>(Wulfen) Gray (1821)</small> â Europe, North America
- Cortinarius sanguinolentus <small>(Moënne-Locc. & Reumaux) Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius saniosus <small>(Fr.) Fr. (1838)</small>
- Cortinarius sarcinochrous <small>Peintner & M.M. Moser (2002)</small>
- Cortinarius sarcoflammeus <small>Esteve-Rav., Gerw. Keller & A. Ortega (2001)</small>
- Cortinarius sarkae-ferocis <small>SvrÃÂek (1996)</small>
- Cortinarius sarmienti <small>Speg. (1887)</small>
- Cortinarius saturatus <small>J.E. Lange (1940)</small>
- Cortinarius saturninus <small>(Fr.) Fr. (1838)</small>
- Cortinarius saturniorum <small>Soop (2001)</small>
- Cortinarius saturnoides <small>Rob. Henry (1956)</small>
- Cortinarius saugetii <small>Rob. Henry (1937)</small>
- Cortinarius savegrensis <small>Ammirati, Halling & Garnica (2007)</small>
- Cortinarius scabridipileus <small>Kytov., Liimat. & Niskanen (2020)</small>
- Cortinarius scabrosporus <small>M.M. Moser (1975)</small>
- Cortinarius scabrosus <small>(Cooke & Massee) Peintner & M.M. Moser (2002)</small>
- Cortinarius scandens <small>Fr. (1838)</small>
- Cortinarius scauroides <small>Rob. Henry (1939)</small>
- Cortinarius scaurotraganoides <small>Rob. Henry (1986)</small>
- Cortinarius schedisus <small>Rob. Henry (1983)</small>
- Cortinarius scintillatus <small>M.M. Moser (1975)</small>
- Cortinarius sciophylloides <small>Bidaud (2015)</small>
- Cortinarius sciurellus <small>Soop (2014)</small>
- Cortinarius sciurodes <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius sclerophyllorum <small>Gasparini (2007)</small>
- Cortinarius sclerospermus <small>Peintner & M.M. Moser (2002)</small>
- Cortinarius scobinaceus <small>Malençon & Bertault (1970)</small>
- Cortinarius scolecinus <small>M.M. Moser (1975)</small>
- Cortinarius scoticus <small>Niskanen & Liimat. (2020)</small> â UK
- Cortinarius scotoides <small>J. Favre (1955)</small>
- Cortinarius scutulatus <small>(Fr.) Fr. (1838)</small>
- Cortinarius sebaceus <small>Fr. (1838)</small>
- Cortinarius sebosus <small>A.A. Francis & Bougher (2004)</small>
- Cortinarius seidliae <small>Ammirati, Niskanen & Liimat. (2015)</small>
- Cortinarius sejunctifolius <small>Rob. Henry (1995)</small>
- Cortinarius selinolens <small>Bidaud & Bellanger (2021)</small> â France, Spain, Tunisia
- Cortinarius semiamictus <small>E. Horak (1975)</small>
- Cortinarius semiglobatus <small>M.M. Moser (1975)</small>
- Cortinarius seminagnitus <small>Rob. Henry (1956)</small>
- Cortinarius semiodoratus <small>Rob. Henry (1993)</small>
- Cortinarius semipellucidus <small>(M.M. Moser) G. Garnier (1992)</small>
- Cortinarius semirubicundulus <small>M.M. Moser (1975)</small>
- Cortinarius semisanguineus <small>(Fr.) Gillet (1876)</small> â also known as Dermocybe semisanguinea red-gilled cortinar (Europe & North America)
- Cortinarius semivelatus <small>Rob. Henry (1970)</small>
- Cortinarius semivestitus <small>M.M. Moser (1968)</small>
- Cortinarius semudaphilus <small>Rob. Henry ex Reumaux (2013)</small>
- Cortinarius seponendus <small>Rob. Henry (1989)</small>
- Cortinarius septentrionalis <small>Bendiksen, K. Bendiksen & Brandrud (1993)</small>
- Cortinarius sequanus <small>Rob. Henry (1977)</small>
- Cortinarius serenitas-caeli <small>Rob. Henry (1997)</small>
- Cortinarius sergianus <small>Bidaud & Eyssart. (2000)</small>
- Cortinarius sericatus <small>Ramain ex Rob. Henry (1989)</small>
- Cortinarius sericeofulvus <small>Bidaud, Carteret & Reumaux (2013)</small>
- Cortinarius sericeolazulinus <small>Ammirati, Halling & Garnica (2007)</small>
- Cortinarius sericeo-ochraceus <small>M.M. Moser (1975)</small>
- Cortinarius sericeps <small>Peck (1883)</small>
- Cortinarius sericeus <small>(Schaeff.) Henn. (1898)</small>
- Cortinarius serotinus <small>(Fr.) Bidaud, Moënne-Locc. & Reumaux (1996)</small>
- Cortinarius serratissimus <small>M.M. Moser (1968)</small>
- Cortinarius shigaensis <small>Hongo (1967)</small>
- Cortinarius siccolens <small>Rob. Henry (1989)</small>
- Cortinarius siccus <small>M.M. Moser (1975)</small>
- Cortinarius sierraensis <small>(Ammirati) Ammirati, Niskanen & Liimat. (2013)</small> â North America
- Cortinarius silvae-monachi <small>(D.A. Reid, Murton & N.J. Westwood) Melot (1989)</small>
- Cortinarius similis <small>(E. Horak) Peintner, E. Horak, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius simillimus <small>Bidaud (2004)</small>
- Cortinarius simplex <small>E. Horak (1975)</small>
- Cortinarius simulans <small>(Peck) Sacc. (1891)</small>
- Cortinarius simulatorius <small>Reumaux (2002)</small>
- Cortinarius simulatus <small>P.D. Orton (1958)</small>
- Cortinarius sinapicolor <small>Cleland (1933)</small> â Australia
- Cortinarius sinapivelus <small>Danks, T. Lebel & Vernes (2010)</small>
- Cortinarius sinapizans <small>M.M. Moser (1967)</small>
- Cortinarius sinensis <small>L.H. Sun, T.Z. Wei & Y.J. Yao (2020)</small>
- Cortinarius singeri <small>M.M. Moser (1975)</small>
- Cortinarius singerianus <small>Peintner (2003)</small>
- Cortinarius smithii <small>Ammirati, Niskanen & Liimat. (2013)</small> â North America
- Cortinarius sociatus <small>Rob. Henry (1983)</small>
- Cortinarius solis-occasus <small>Melot (1986)</small>
- Cortinarius solitarius <small>Rob. Henry (1987)</small>
- Cortinarius solivagus <small>Reumaux (2008)</small>
- Cortinarius sommerfeltii <small>Høil. (1984)</small>
- Cortinarius sordescens <small>Rob. Henry (1944)</small>
- Cortinarius sordescentipes <small>Bidaud, Moënne-Locc. & Reumaux (1997)</small>
- Cortinarius sordidemaculatus <small>Rob. Henry (1981)</small>
- Cortinarius sordipes <small>A. de Haan & Volders (2003)</small>
- Cortinarius soricinegriseus <small>Rob. Henry (1985)</small>
- Cortinarius sororiatus <small>(P. Karst.) Reumaux (2006)</small>
- Cortinarius spadix <small>Herp. (1912)</small>
- Cortinarius sparsus <small>(Chevassut & Rob. Henry) Bidaud, Moënne-Locc. & Reumaux (1993)</small>
- Cortinarius speciosus <small>Earle (1905)</small>
- Cortinarius sphaerocephalus <small>(E. Horak & M.M. Moser) Peintner & M.M. Moser (2002)</small>
- Cortinarius sphaerospermus <small>Kauffman (1918)</small>
- Cortinarius sphaerosporus <small>Peck (1873)</small>
- Cortinarius sphagneti <small>Singer (1949)</small>
- Cortinarius sphagnogenus <small>(M.M. Moser) Nezdojm. (1976)</small>
- Cortinarius sphagnoravus <small>Liimat., Kytöv., Niskanen & Ammirati (2017)</small>
- Cortinarius spheroideogranatus <small>Rob. Henry (1989)</small>
- Cortinarius spilomeus <small>(Fr.) Fr. (1863)</small>
- Cortinarius spinulosporus <small>Reumaux (1993)</small>
- Cortinarius spisnii <small>Consiglio, D. Antonini & M. Antonini (2004)</small>
- Cortinarius splendentium <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius splendidus <small>Peck (1878)</small> â also known as Dermocybe splendida splendid red skin-head Australia
- Cortinarius spodochrous <small>Reumaux & Bidaud (2008)</small>
- Cortinarius spodoleucus <small>M.M. Moser (1975)</small>
- Cortinarius spontescissus <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius sporanotus <small>Rob. Henry (1969)</small>
- Cortinarius sporovatus <small>Rob. Henry (1970)</small>
- Cortinarius spurcatus <small>Moënne-Locc. & Reumaux (2001)</small>
- Cortinarius squalidiformis <small>Murrill (1946)</small>
- Cortinarius squalidus <small>A.H. Sm. (1942)</small>
- Cortinarius squamicutis <small>Bidaud & Savignoni (2000)</small>
- Cortinarius squamiger <small>M.M. Moser (1975)</small>
- Cortinarius squamipes <small>E. Horak (1975)</small>
- Cortinarius squamivenetoideus <small>Niskanen, Liimat. & Ammirati (2021)</small>
- Cortinarius squamivenetus <small>Kytöv., Liimat. & Niskanen (2014)</small>
- Cortinarius squamosipes <small>Rob. Henry (1938)</small>
- Cortinarius squamosus <small>E. Sesli (2021)</small>
- Cortinarius squamulosus <small>Peck (1872)</small> â edible, but related species have unclassified edibility
- Cortinarius squarrosus <small>Clem. (1901)</small>
- Cortinarius squarrulosus <small>Bidaud, Moënne-Locc. & Reumaux (1997)</small>
- Cortinarius stellorugosus <small>Rob. Henry (1985)</small>
- Cortinarius stenospermus <small>Lamoure (1987)</small>
- Cortinarius stephanopus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius sterilis <small>Kauffman (1905)</small>
- Cortinarius sterilobtusus <small>Rob. Henry (1968)</small>
- Cortinarius stillatitius <small>Fr. (1838)</small>
- Cortinarius stipitemirus <small>Rob. Henry (1995)</small>
- Cortinarius stipite-violascens <small>Rob. Henry (1989)</small>
- Cortinarius straminipes <small>Murrill (1942)</small>
- Cortinarius strenuisporus <small>Bidaud, Cors. Gut. & Vila (2002)</small>
- Cortinarius streptosmus <small>Rob. Henry (1986)</small>
- Cortinarius strictipes <small>M.M. Moser (1975)</small>
- Cortinarius striolatus <small>Speg. (1887)</small>
- Cortinarius strobilaceofulvus <small>D. Antonini & M. Antonini (2002)</small>
- Cortinarius stuntzii <small>S.A. Rehner & Ammirati (1989)</small>
- Cortinarius subaffinis <small>Rob. Henry (1985)</small>
- Cortinarius subalbidulus <small>Reumaux (2000)</small>
- Cortinarius subalbidus <small>(A.H. Sm.) Peintner & M.M. Moser (2002)</small>
- Cortinarius subalboviolaceus <small>Hongo (1963)</small>
- Cortinarius subamethystinus <small>Rob. Henry (1985)</small>
- Cortinarius subamoenolens <small>Carteret & Reumaux ex Armada (2013)</small>
- Cortinarius subarcheri <small>Cleland (1928)</small> â Australia
- Cortinarius subargentatus <small>Murrill (1939)</small>
- Cortinarius subargyronotus <small>Niskanen, Liimat. & Kytöv. (2014)</small>
- Cortinarius subarmillatus <small>Hongo (1964)</small>
- Cortinarius subarquatus <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius subarvinaceus <small>Cleland (1927)</small>
- Cortinarius subaustralis <small>A.H. Sm. & Hesler (1944)</small>
- Cortinarius subavellanocoeruleus <small>Bidaud & Reumaux (2008)</small>
- Cortinarius subavellanofulvus <small>Carteret & Reumaux (2003)</small>
- Cortinarius subbalaustinus <small>Rob. Henry (1991)</small>
- Cortinarius subbivelus <small>Kauffman (1907)</small>
- Cortinarius subbolbitioides <small>Reumaux (2000)</small>
- Cortinarius subbrunneoideus <small>Kytöv., Liimat. & Niskanen (2014)</small>
- Cortinarius subbrunneus <small>Bidaud, Carteret & Reumaux (2009)</small>
- Cortinarius subbulliardioides <small>Rob. Henry (1970)</small>
- Cortinarius subcaesiobrunneus <small>Y. Li & M.L. Xie (2019)</small>
- Cortinarius subcaespitosus <small>Murrill (1939)</small>
- Cortinarius subcagei <small>Niskanen & Liimat. (2017)</small>
- Cortinarius subcalyptrosporus <small>M.M. Moser (1987)</small> â Malaysia
- Cortinarius subcamphoratus <small>Murrill (1946)</small>
- Cortinarius subcaninus <small>Maire (1928)</small>
- Cortinarius subcarabus <small>Liimat., Kytöv. & Niskanen (2017)</small>
- Cortinarius subcarneinatus <small>Niskanen, Kytöv. & Liimat. (2017)</small>
- Cortinarius subcartilagineus <small>Rob. Henry (1968)</small>
- Cortinarius subcastanellus <small>E. Horak, Peintner, M.M. Moser & Vilgalys (2002)</small> (previously Rozites castanella) - New Zealand
- Cortinarius subcastaneus <small>Bidaud & Reumaux (2000)</small>
- Cortinarius subcephalixus <small>Bidaud, Consiglio, D. Antonini & M. Antonini (2005)</small>
- Cortinarius subcinnamomeus <small>P. Karst. (1889)</small>
- Cortinarius subcommunis <small>Murrill (1938)</small>
- Cortinarius subcompactus <small>Rob. Henry (1958)</small>
- Cortinarius subconicus <small>M.M. Moser (1975)</small>
- Cortinarius subcoronatus <small>Bidaud (2001)</small>
- Cortinarius subcotoneipes <small>Rob. Henry (1988)</small>
- Cortinarius subcotoneus <small>Bidaud (2005)</small>
- Cortinarius subcrassus <small>Rob. Henry (1983)</small>
- Cortinarius subcristatosporus <small>Bidaud & Carteret (2013)</small>
- Cortinarius subcroceofolius <small>Ammirati & A.H. Sm. (1972)</small>
- Cortinarius subcroceophyllus <small>Rob. Henry (1984)</small>
- Cortinarius subcuspidatus <small>A.H. Sm. (1944)</small>
- Cortinarius subcylindripes <small>Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius subcylindrosporus <small>Reumaux (2010)</small>
- Cortinarius subdecipiens <small>Gelderblom & Volders (2013)</small>
- Cortinarius subdelibutus <small>Hongo (1958)</small>
- Cortinarius subelatior <small>Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius subelegantior <small>Rob. Henry (1987)</small>
- Cortinarius subemunctus <small>Moënne-Locc. & Reumaux (1992)</small>
- Cortinarius suberi <small>Soop (1990)</small>
- Cortinarius suberugatus <small>Bidaud & Reumaux (2010)</small>
- Cortinarius suberythraeus <small>Carteret (2002)</small>
- Cortinarius suberythrinus <small>Moënne-Locc. (1988)</small>
- Cortinarius subexitiosus <small>Liimat., Niskanen, Kytöv. & Ammirati (2014)</small>
- Cortinarius subferrugineoides <small>Reumaux (1980)</small>
- Cortinarius subfillionii <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius subfimbriatus <small>Murrill (1946)</small>
- Cortinarius subfirmus <small>Bidaud (2015)</small>
- Cortinarius subflavifolius <small>Murrill (1939)</small>
- Cortinarius subflexipes <small>Peck (1888)</small>
- Cortinarius subfloccopus <small>Kytöv., Niskanen & Liimat. (2012)</small>
- Cortinarius subfulmineus <small>Murrill (1939)</small>
- Cortinarius subfulvescens <small>Bidaud (2009)</small>
- Cortinarius subfuscoperonatus <small>Y. Li & M.L. Xie (2020)</small>
- Cortinarius subfusipes <small>Rob. Henry (1940)</small>
- Cortinarius subfusisporus <small>Bon (1990)</small>
- Cortinarius subgaleroides <small>Rob. Henry (1991)</small>
- Cortinarius subglandicolor <small>Niskanen, Liimat. & Kytöv. (2017)</small>
- Cortinarius subglaucopus <small>Murrill (1939)</small>
- Cortinarius subglobispermus <small>Bidaud & Reumaux (2004)</small>
- Cortinarius subglobisporus <small>Murrill (1945)</small>
- Cortinarius subheterocyclus <small>Liimat., Niskanen & Kytöv. (2017)</small>
- Cortinarius subhygrophanicus <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius subiliopodius <small>Bidaud & Moënne-Locc. (2013)</small>
- Cortinarius subincarnatus <small>Rob. Henry (1941)</small>
- Cortinarius subinocyboides <small>M.M. Moser (1975)</small>
- Cortinarius subinsignis <small>Reumaux (1988)</small>
- Cortinarius subintentus <small>Reumaux (2013)</small>
- Cortinarius subiodolens <small>Reumaux (2001)</small>
- Cortinarius subionochlorus <small>Rob. Henry (1952)</small>
- Cortinarius subionophyllus <small>Niskanen, Liimat. & Kytöv. (2017)</small>
- Cortinarius subjuberinus <small>Murrill (1939)</small>
- Cortinarius sublanatorum <small>Rob. Henry (1992)</small>
- Cortinarius sublanatus <small>(Sowerby) Fr. (1838)</small>
- Cortinarius sublargus <small>Cleland (1928)</small> - Australia
- Cortinarius sublateritius <small>Peck (1900)</small>
- Cortinarius subleproleptopus <small>Liimat., Niskanen & Bojantchev (2021)</small>
- Cortinarius sublilacinus <small>Murrill (1945)</small>
- Cortinarius sublubricus <small>(Jul. Schäff. ex M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius submarginalis <small>Peck (1902)</small>
- Cortinarius submelanotus <small>Bidaud (2005)</small>
- Cortinarius submeleagris <small>Gasparini (2007)</small>
- Cortinarius submilvinus <small>Bidaud (2010)</small>
- Cortinarius subminiatopus <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius subobtusobrunneus <small>Bidaud (2004)</small>
- Cortinarius subobtusus <small>Kauffman & A.H. Sm. (1933)</small>
- Cortinarius suboenochelis <small>Kytöv., Liimat. & Niskanen (2011)</small>
- Cortinarius subolivaceophyllus <small>Rob. Henry (1976)</small>
- Cortinarius subolivaceus <small>Bidaud, Moënne-Locc. & Reumaux (2000)</small>
- Cortinarius subolivellus <small>Carteret & Reumaux (2009)</small>
- Cortinarius suboliveocaninus <small>Chevassut & Rob. Henry (1978)</small>
- Cortinarius suboxytoneus <small>Bidaud (2015)</small>
- Cortinarius subpaleaceus <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius subparevernius <small>Rob. Henry (1970)</small>
- Cortinarius subparvannulatus <small>Moënne-Locc. & Fillion (2010)</small>
- Cortinarius subpateriformis <small>Carteret (2013)</small>
- Cortinarius subplumbosus <small>Reumaux (2010)</small>
- Cortinarius subpudorinus <small>Reumaux (2008)</small>
- Cortinarius subpuellaris <small>Brandrud & Dima (2016)</small>
- Cortinarius subpulchrifolius <small>Kauffman (1918)</small>
- Cortinarius subpulchripes <small>Reumaux (1990)</small>
- Cortinarius subpurpureus <small>A.H. Sm. (1944)</small>
- Cortinarius subradicatus <small>Herp. (1912)</small>
- Cortinarius subrepandus <small>Melot (1989)</small>
- Cortinarius subresectipes <small>A. Delannoy, Eyssart. & Cheype (2008)</small>
- Cortinarius subrhombisporus <small>A. de Haan, Volders & Lenaerts (2013)</small>
- Cortinarius subrigens <small>Kauffman (1918)</small>
- Cortinarius subrimosus <small>A.H. Sm. & Hesler (1944)</small>
- Cortinarius subrufulus <small>Ammirati, Liimat. & Niskanen (2014)</small>
- Cortinarius subrufus <small>San-Fabian, Niskanen & Liimat. (2018)</small>
- Cortinarius subsafranopes <small>Rob. Henry (1956)</small>
- Cortinarius subsalmoneus <small>Kauffman (1907)</small>
- Cortinarius subsanguineus <small>T.Z. Wei, M.L. Xie & Y.J. Yao (2020)</small>
- Cortinarius subsaniosus <small>Liimat. & Niskanen (2020)</small> â UK
- Cortinarius subsaturninus <small>Rob. Henry (1938)</small>
- Cortinarius subscandens <small>Rob. Henry (1969)</small>
- Cortinarius subscaurus <small>(M.M. Moser) M.M. Moser (1967)</small>
- Cortinarius subsciorophyllus <small>Gasparini (2007)</small>
- Cortinarius subscotoides <small>Niskanen & Liimat. (2019)</small>
- Cortinarius subsedens <small>Rob. Henry (1956)</small>
- Cortinarius subserratissimus <small>Kytöv., Liimat. & Niskanen (2014)</small>
- Cortinarius subsquamulosus <small>(Batsch) Rob. Henry (1959)</small>
- Cortinarius substriaepileus <small>Melot (1995)</small>
- Cortinarius substriatus <small>Kauffman (1932)</small>
- Cortinarius subsulcatipes <small>Bidaud (2014)</small>
- Cortinarius subtabularis <small>Kauffman (1918)</small>
- Cortinarius subtenuatus <small>Carteret & Eyssartier (2008)</small>
- Cortinarius subtestaceus <small>A.H. Sm. (1942)</small>
- Cortinarius subtigrinus <small>Reumaux (1982)</small>
- Cortinarius subtilior <small>J. Favre (1955)</small>
- Cortinarius subtilis <small>Bendiksen & Brandrud (2015)</small>
- Cortinarius subtomentosus <small>Reumaux (1988)</small>
- Cortinarius subtortus <small>(Pers.) Zawadzki (1835)</small>
- Cortinarius subtorvus <small>Lamoure (1969)</small>
- Cortinarius subtricolor <small>Reumaux (2013)</small>
- Cortinarius subturibulosus <small>Kizlik & Trescol (1991)</small>
- Cortinarius subumbilicatus <small>Rob. Henry (1952)</small>
- Cortinarius subumbrinus <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius subvaccinus <small>Rob. Henry (1959)</small>
- Cortinarius subvalidus <small>Rob. Henry (1958)</small>
- Cortinarius subvelatus <small>(Rob. Henry) Bidaud & Moënne-Locc. (2008)</small>
- Cortinarius subviolaceus <small>Gasparini (2014)</small>
- Cortinarius subviolascens <small>Rob. Henry ex Nezdojm. (1983)</small>
- Cortinarius subvirgatus <small>Reumaux ex Carteret & Reumaux (2014)</small>
- Cortinarius subvolvatus <small>(Fayod) Sacc. & D. Sacc. (1905)</small>
- Cortinarius succineus <small>M.M. Moser (1991)</small>
- Cortinarius suecicolor <small>Soop (2003)</small>
- Cortinarius suillonigrescens <small>Rob. Henry ex Reumaux (2002)</small>
- Cortinarius suilloviolascens <small>Reumaux (2010)</small>
- Cortinarius suillus <small>Fr. (1838)</small>
- Cortinarius sulcatipes <small>Rob. Henry (1983)</small>
- Cortinarius sulcatus <small>Moënne-Locc. & Reumaux (2002)</small>
- Cortinarius sulfurinodibaphus <small>Chevassut & Rob. Henry (1994)</small>
- Cortinarius sulphureomyceliatus <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius sulphureomyceliosus <small>SvrÃÂek (1996)</small>
- Cortinarius sulphureus <small>Lindgr. (1845)</small>
- Cortinarius suppariger <small>M.M. Moser & E. Horak (1975)</small>
- Cortinarius suratus <small>Fr. (1838), (= Cortinarius delibutus)</small>
- Cortinarius surreptus <small>E. Horak (1980)</small>
- Cortinarius sutherlandensis <small>Liimat., D. Savage & Niskanen (2022)</small>
- Cortinarius sylvae-norvegicae <small>Høil. (1993)</small>
- Cortinarius symeae <small>(Bougher, Fuhrer & E. Horak) Peintner, E. Horak, M.M. Moser & Vilgalys (2002)</small>
- Cortinarius sytnikii <small>M.M. Moser (1996)</small>
T
- Cortinarius tabacinus <small>P.D. Orton (1984)</small>
- Cortinarius tabularis <small>(Fr.) Fr. (1838)</small>
- Cortinarius tacitus <small>Bidaud & Carteret (2014)</small>
- Cortinarius tammii <small>(Fr.) Melot (2005)</small>
- Cortinarius tarnensis <small>Speg. (1887)</small>
- Cortinarius tasmacamphoratus <small>Gasparini (2008)</small> â Australia
- Cortinarius tatrensis <small>R. Fellner & Landa (1993)</small>
- Cortinarius taylorianus <small>E. Horak (1990)</small> â New Zealand
- Cortinarius telamoniopsis <small>Rob. Henry (1970)</small>
- Cortinarius tenebricus <small>J. Favre (1955)</small>
- Cortinarius tenellus <small>M.M. Moser (1975)</small>
- Cortinarius tenneovelatus <small>Corrales, Ovrebo, Ammirati, Dima & Liimat. (2022)</small>
- Cortinarius tenuatus <small>Rob. Henry (1970)</small>
- Cortinarius tenuifulvescens <small>Kytöv., Niskanen & Liimat. (2016)</small>
- Cortinarius tenuis <small>M.M. Moser (1975)</small>
- Cortinarius tenuivestitus <small>Bidaud (2013)</small>
- Cortinarius tephrophyllus <small>M.M. Moser (1975)</small>
- Cortinarius teras <small>Reumaux (1980)</small>
- Cortinarius teraturgus <small>M.M. Moser (1975)</small>
- Cortinarius terebrinus <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius terebripes <small>E. Horak (1980)</small>
- Cortinarius teresae <small>(Garrido) G. Garnier (1992)</small>
- Cortinarius termutuans <small>Rob. Henry (1992)</small>
- Cortinarius terribilis <small>Reumaux (2002)</small> â France
- Cortinarius tessellatovariatus <small>Rob. Henry (1989)</small>
- Cortinarius tessellatus <small>Rob. Henry (1981)</small>
- Cortinarius tessiae <small>Soop (2008)</small> â New Zealand
- Cortinarius testaceofractus <small>Carteret & Reumaux (2000)</small> â France
- Cortinarius testaceomicaceus <small>Bidaud (2014)</small>
- Cortinarius testaceoviolascens <small>Bidaud & Reumaux (2000)</small> â France
- Cortinarius testicolor <small>Bidaud, Carteret, Reumaux & Moënne-Locc. (2010)</small>
- Cortinarius tetonensis <small>Ammirati, Liimat., Niskanen & Dima (2021)</small>
- Cortinarius thalliopallidus <small>Rob. Henry (1976)</small>
- Cortinarius thallioruber <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius thalliosubflavescens <small>Rob. Henry (1995)</small> â France
- Cortinarius thiersianus <small>Peintner & M.M. Moser (2002)</small> â US
- Cortinarius thiersii <small>Ammirati & A.H. Sm. (1977)</small> â edible, but deadly look-alikes (C. gentilis)
- Cortinarius thyoneus <small>E. Horak (1980)</small>
- Cortinarius tiffanyae <small>Healy, Ammirati & Liimat. (2020)</small>
- Cortinarius tigrellus <small>Soop (2003)</small>
- Cortinarius tigrinipes <small>Bergeron (1997)</small>
- Cortinarius tiliaceus <small>N. Arnold (1993)</small>
- Cortinarius tillamookensis <small>Ammirati, Liimat. & Niskanen (2014)</small>
- Cortinarius timiskamingensis <small>Malloch, Ammirati, Liimat. & Niskanen (2014)</small>
- Cortinarius tinctorum <small>Bidaud & Carteret (2016)</small>
- Cortinarius togularis <small>E. Horak (1975)</small>
- Cortinarius tomasii <small>Melot (1992)</small>
- Cortinarius torquatorum <small>Rob. Henry (1989)</small>
- Cortinarius tortipes <small>Moënne-Locc. & Reumaux (1997)</small>
- Cortinarius tortuosus <small>(Fr.) Fr. (1838)</small>
- Cortinarius torvoides <small>Rob. Henry (2000)</small>
- Cortinarius torvus <small>(Fr.) Fr. (1838)</small>
- Cortinarius trachyspermus <small>M.M. Moser (1975)</small>
- Cortinarius traganus <small>(Fr.) Fr. (1838)</small> â gassy webcap (Europe)
- Cortinarius transatlanticus <small>Ammirati, Liimat. & Niskanen (2014)</small>
- Cortinarius transiens <small>(Melot) Soop (1990)</small>
- Cortinarius translucidus <small>N. Pastor & Nouhra (2019)</small>
- Cortinarius trappei <small>Ammirati, Liimat. & Niskanen (2014)</small>
- Cortinarius trechisporus <small>E. Horak (1975)</small>
- Cortinarius tremulinus <small>(Velen.) Rob. Henry (1996)</small>
- Cortinarius trescolii <small>Rob. Henry (1981)</small>
- Cortinarius triangulus <small>Rob. Henry (1983)</small>
- Cortinarius trichocarpus <small>Soop (2016)</small>
- Cortinarius tricholomoides <small>M.M. Moser (1975)</small>
- Cortinarius tricognandus <small>Rob. Henry (1943)</small>
- Cortinarius triformis <small>Fr. (1838)</small>
- Cortinarius tristis <small>E. Horak (1975)</small>
- Cortinarius trivialis <small>J.E. Lange (1940)</small>
- Cortinarius trongolensis <small>Garrido (1988)</small>
- Cortinarius trossingenensis <small>Melot (1981)</small>
- Cortinarius truckeensis <small>Bojantchev (2013)</small> â North America (Truckee, California)
- Cortinarius truncatoides <small>M.M. Moser (1975)</small>
- Cortinarius tubarius <small>Ammirati & A.H. Sm. (1972)</small>
- Cortinarius tubercularis <small>(Bougher & A.A. Francis) Gasparini (2014)</small>
- Cortinarius tubulosus <small>Bidaud (2014)</small>
- Cortinarius tucumanensis <small>M.M. Moser (1975)</small>
- Cortinarius tugurium <small>Liimat. & Niskanen (2022)</small>
- Cortinarius tumidipes <small>M.M. Moser (1975)</small>
- Cortinarius tundrae <small>Speg. (1887)</small>
- Cortinarius tuolumnensis <small>Bojantchev (2013)</small> â North America
- Cortinarius turbinatoides <small>Consiglio, D. Antonini & M. Antonini (2004)</small> â Italy
- Cortinarius turbinatus <small>(Bull.) Fr. (1838)</small>
- Cortinarius turbinoides <small>Kauffman (1907)</small>
- Cortinarius turbobasalis <small>E. Horak (1995)</small>
- Cortinarius turcicus <small>(Lasch) Bidaud, Moënne-Locc. & Reumaux (1997)</small>
- Cortinarius turgidipes <small>Rob. Henry ex Bidaud & Carteret (2008)</small>
- Cortinarius turgidulus Bidaud <small>(2002)</small> â France
- Cortinarius turgidus <small>Fr. (1838)</small>
- Cortinarius turibulosus <small>(Jul. Schäff. & E. Horak) Bon & G. Garnier (1991)</small>
- Cortinarius turpis <small>E. Horak (1975)</small>
- Cortinarius tylostomatoides <small>(Singer) Peintner & M.M. Moser (2002)</small>
- Cortinarius tympanicus <small>(E. Horak) Peintner & M.M. Moser (2002)</small>
U
- Cortinarius udolivascens <small>Rob. Henry (1990)</small>
- Cortinarius ulematus <small>Gasparini (2007)</small> â Australia (Tasmania)
- Cortinarius uliginobadius <small>Rob. Henry (1981)</small>
- Cortinarius uliginobtusus <small>Rob. Henry (1941)</small>
- Cortinarius uliginosus <small>Berk. (1860)</small>
- Cortinarius ultimiionophyllus <small>Kytöv., Niskanen & Liimat. (2017)</small>
- Cortinarius ultrodistortus <small>Rob. Henry & Vagnet (1992)</small>
- Cortinarius umbilicatus <small>P. Karst. (1893)</small>
- Cortinarius umbonatoides <small>Moënne-Locc. & Reumaux (2008)</small>
- Cortinarius umbonatus <small>(Velen.) Rob. Henry (1947)</small>
- Cortinarius umbrinobellus <small>Liimat., Niskanen & Kytöv. (2014)</small>
- Cortinarius umbrinocarneus <small>M.M. Moser (1975)</small>
- Cortinarius umbrinoclarus <small>Rob. Henry (1984)</small>
- Cortinarius umbrinocoerulescens <small>(Röhl.) Melot (2017)</small>
- Cortinarius umbrinofoliatus <small>Rob. Henry (1968)</small>
- Cortinarius umbrinolens <small>P.D. Orton (1980)</small>
- Cortinarius umbrinolutescens <small>Reumaux (2004)</small>
- Cortinarius umbrinomammosus <small>Rob. Henry (2003)</small> â France
- Cortinarius undantipes <small>Rob. Henry (1969)</small>
- Cortinarius undulatofibrillosus <small>Pilát ex A. Favre (1997)</small> â Czech Republic
- Cortinarius ungularis <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius unimodus <small>Britzelm. (1885)</small>
- Cortinarius uraceisporus <small>Niskanen, Kytöv. & Liimat. (2014)</small>
- Cortinarius uraceomajalis <small>Dima, Liimat., Niskanen & Bojantchev (2014)</small>
- Cortinarius uraceonemoralis <small>Niskanen, Liimat., Dima, Kytöv., Bojantchev & H. Lindstr. (2014)</small>
- Cortinarius uraceoroseus <small>Bidaud, Carteret & Reumaux (2013)</small>
- Cortinarius uraceovernus <small>Rob. Henry ex A. Favre & Vialard (2008)</small>
- Cortinarius uraceus <small>Fr. (1838)</small>
- Cortinarius urbicus <small>(Fr.) Fr. (1838)</small>
- Cortinarius urbis-veteris <small>Cleric., Boccardo & Dovana (2023)</small>
- Cortinarius ursus <small>Soop (2001)</small> â New Zealand
- Cortinarius uxorum <small>J. BallarÃÂ , R. Mahiques & I. Garrido-Benavent (2019)</small>
V
- Cortinarius vaccinochelis <small>Chevassut & Rob. Henry (1978)</small> â France
- Cortinarius vaccinus <small>Rob. Henry (1959)</small> â France
- Cortinarius vagabundus <small>Liimat. & Niskanen (2021)</small>
- Cortinarius vaginatopus <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small> â France
- Cortinarius vagnetoi <small>Rob. Henry (1986)</small> â France
- Cortinarius valgus <small>Fr. (1838)</small>
- Cortinarius vandervekenianus <small>Verstr. & Gelderblom (2013)</small>
- Cortinarius vanduzerensis <small>A.H. Sm. & Trappe (1972)</small>
- Cortinarius variebulbus <small>Chevassut & Rob. Henry (1982)</small> â France
- Cortinarius variecolor <small>(Pers.) Fr. (1838)</small> â Europe
- Cortinarius variegatuloides <small>Remaux (1995)</small> â France
- Cortinarius variegatulus <small>M.M. Moser (1975)</small> â Argentina
- Cortinarius variipes <small>Rob. Henry (1977)</small> â France
- Cortinarius varius <small>(Schaeff.) Fr. (1838)</small>
- Cortinarius velatocaulis <small>Rob. Henry (1986)</small> â France
- Cortinarius velatus <small>Thiers & A.H. Sm. (1969)</small>
- Cortinarius velenovskyanus <small>Moënne-Locc. & Reumaux (1997)</small> â France
- Cortinarius vellingae <small>Bojantchev, Ammirati, Garnica & Beug (2015)</small>
- Cortinarius velutinellus <small>Singer (1949)</small> â northern European Russia
- Cortinarius veneto-occidentalis <small>Niskanen, Liimat. & Ammirati (2021)</small>
- Cortinarius venetus <small>(Fr.) Fr. (1838)</small>
- Cortinarius venosifolius <small>Bidaud, Moënne-Locc. & Reumaux (1993)</small> â France
- Cortinarius venosus <small>A.E. Johnson (1878)</small>
- Cortinarius ventricosus <small>M.M. Moser (2002)</small> â US (Wyoming)
- Cortinarius venustissimus <small>Bidaud (2002)</small> â Sweden
- Cortinarius venustus <small>P. Karst. (1878)</small>
- Cortinarius verallopus <small>Rob. Henry & Ramm (1991)</small> â France
- Cortinarius veraprilis <small>Chevassut, Rob. Henry & G. Riousset (1986)</small>
- Cortinarius verecundus <small>E. Horak (1990)</small> â New Caledonia
- Cortinarius veregregius <small>Rob. Henry (1938)</small> â France
- Cortinarius vernalis <small>Peck (1872)</small>
- Cortinarius vernalishastensis <small>Bojantchev, Ammirati, Niskanen & Liimat. (2017)</small>
- Cortinarius vernalisierraensis <small>Bojantchev, Ammirati, Niskanen & Liimat. (2017)</small>
- Cortinarius vernicosus <small>M.T. Seidl (2000)</small> â US (Washington)
- Cortinarius vernus <small>H. Lindstr. & Melot (1994)</small> â Sweden
- Cortinarius verona-brunneus <small>Cleland & J.R. Harris (1948)</small>
- Cortinarius veronicae <small>Soop (1998)</small> â New Zealand
- Cortinarius veronicoides <small>Gasparini (2008)</small> â Australia
- Cortinarius verruculosus <small>(Murrill) Singer (1951)</small>
- Cortinarius versicolor <small>A. Blytt (1904)</small>
- Cortinarius versicolorum <small>Rob. Henry (1976)</small>
- Cortinarius vestitipes <small>Bellanger & Reumaux (2013)</small>
- Cortinarius vicinus <small>Bidaud, Consiglio, D. Antonini & M. Antonini (2005)</small>
- Cortinarius vicus <small>Liimat., Danhao Wang & Niskanen (2022)</small>
- Cortinarius vienoi <small>Kokkonen (2020)</small>
- Cortinarius vikingus <small>Liimat., Danhao Wang, D. Savage & Niskanen (2022)</small>
- Cortinarius vinaceobrunneus <small>Ammirati, Beug, Liimat., Niskanen & O. Ceska (2016)</small>
- Cortinarius vinaceocinereus <small>Cleland (1928)</small>
- Cortinarius vinaceogrisescens <small>Ammirati, Beug, Liimat. & Niskanen (2016)</small>
- Cortinarius vinaceolamellatus <small>Cleland (1933)</small>
- Cortinarius vinaceomaculatus <small>M.M. Moser (1975)</small>
- Cortinarius vinicolor <small>(E. Horak) Garnier (1992)</small>
- Cortinarius vinosipes <small>Gasparini (2001)</small>
- Cortinarius violaceobrunneus <small>Corrales, Ovrebo, Ammirati, Dima & Liimat. (2022)</small>
- Cortinarius violaceocalcarius <small>Rob. Henry (1952)</small>
- Cortinarius violaceocystidiatus <small>A.R. Nilsen & Orlovich (2020)</small> â New Zealand
- Cortinarius violaceofuscus <small>(Cooke & Massee) Massee (1904)</small>
- Cortinarius violaceohinnuleus <small>Cleland & J.R. Harris (1948)</small>
- Cortinarius violaceo-hinnuleus <small>Cleland & J.R. Harris (1948)</small>
- Cortinarius violaceo-olivaceus <small>M.M. Moser (1975)</small>
- Cortinarius violaceopapillatus <small>Bidaud (2010)</small>
- Cortinarius violaceovalens <small>Chevassut & Rob. Henry (1982)</small>
- Cortinarius violaceovolvatus <small>(E. Horak) Peintner & M.M. Moser (2002)</small>
- Cortinarius violaceus <small>(L.) Gray (1821)</small> â purple cortinar (Europe), violet cort (North America)
- Cortinarius violaeodor <small>Rob. Henry (1985)</small>
- Cortinarius violaeolens <small>Carteret & Reumaux (2010)</small>
- Cortinarius violascens <small>(A. Blytt) Sacc. (1912)</small>
- Cortinarius violeipes <small>M.M. Moser (1975)</small>
- Cortinarius violeovelatus <small>Lamoure (1977)</small>
- Cortinarius violilamellatus <small>A. Pearson ex P.D. Orton (1984)</small>
- Cortinarius virgatocephalus <small>Bidaud (2014)</small>
- Cortinarius virgatus <small>Peck (1895)</small>
- Cortinarius virgineus <small>E. Horak & M.M. Moser (1975)</small>
- Cortinarius viridans <small>Bellanger & Loizides (2021)</small> â Cyprus
- Cortinarius viridiflavus <small>Ammirati, Bojantchev, Liimat. & Niskanen (2014)</small>
- Cortinarius viridipes <small>M.M. Moser (1967)</small>
- Cortinarius viridipileatus <small>X. Yue Wang, M.C. Te Tana, A.R. Nilsen & Orlovich (2021)</small> â New Zealand
- Cortinarius viridoalbus <small>Ramm & Rob. Henry (1995)</small>
- Cortinarius viridulifolius <small>M.M. Moser (1975)</small>
- Cortinarius viscibadius <small>Murrill (1945)</small>
- Cortinarius viscostriatus <small>E. Horak (1990)</small>
- Cortinarius viscovenetus <small>E. Horak (1975)</small>
- Cortinarius viscoviridis <small>E. Horak (1990)</small>
- Cortinarius vitellinopes <small>Secr. ex J. Schröt. (1889)</small>
- Cortinarius vitiosus <small>(M.M. Moser) Niskanen, Kytöv., Liimat. & S. Laine (2012)</small>
- Cortinarius vitreofulvus <small>Soop (2016)</small>
- Cortinarius vitreopallidus <small>Soop (2021)</small>
- Cortinarius vitreopileatus <small>E. Horak (1990)</small>
- Cortinarius vittatus <small>E. Horak (1995)</small>
- Cortinarius voluptatis <small>Salgado Salomón & Peintner (2021)</small>
- Cortinarius volvatus <small>A.H. Sm. (1939)</small>
- Cortinarius volvosuberis <small>Chevassut & Rob. Henry (1994)</small>
- Cortinarius vulpicolor <small>M.M. Moser & McKnight (1987)</small>
W
X
Y
Z
References