Species (19.209)
- Coltricia focicola (Berk. & M.A. Curtis) Murrill 1908
- Coltricia sideroides (Lèv.) Teng 1963
- Colus hirudinosus Cavalier & Séchier 1835
- Conferticium ochraceum (Fr.) Hallenb. 1980
- Coprinellus limicola (Uljé) Doveri & Sarrocco 2011
- Coprinellus pallidissimus (Romagn.) P. Roux, Guy Garcia & S. Roux 2006
- Coprinellus plagioporus (Romagn.) Redhead, Vilgalys & Moncalvo 2001
- Coprinellus pusillulus (Svr?ek) Házi, L. Nagy, T. Papp & Vágvölgyi 2011
- Coprinellus pyrrhanthes (Romagn.) Redhead, Vilgalys & Moncalvo 2001
- Coprinellus radians (Desm.) Vilgalys, Hopple & Jacq. Johnson 2001
- Coprinellus sabulicola L. Nagy, Házi, T. Papp & Vágvölgyi 2012
- Coprinellus ramosocystidiatus (Bender) L. Nagy, Házi, Vágvölgyi & T. Papp 1990
- Coprinellus saccharinus (Romagn.) P. Roux, Guy Garcia & Dumas 2006
- Coprinellus subpurpureus (A.H. Sm.) Redhead, Vilgalys & Moncalvo 2001
- Conocybe ammophila M. Lange 1957
- Conocybe antipus (Lasch : Fr.) Fayod 1889
- Conocybe anthracophila (Maire & Kühner) Singer 1983
- Conocybe bispora (Singer) Hauskn. 1998
- Conocybe leucopus Kühner & Watling 1983
- Conocybe lobauensis Singer & Hauskn. 1988
- Conocybe mesospora Kühner & Watling 1980
- Conocybe mexicana (Murrill) Watling 1981
- Conocybe microrrhiza Hauskn. 1999
- Conocybe pseudocrispa (Hauskn.) Arnolds 2003
- Conocybe pubescens (Gillet) Kühner 1935
- Conocybe rhizophora Hauskn. 2009
- Conocybe roseipes Hauskn. 1995
- Conocybe siliginea (Fr. : Fr.) Kühner 1935
- Conocybe singeriana Hauskn. 1996
- Cuphophyllus radiatus (Arnolds) Bon 1990
- Cuphophyllus russocoriaceus (Berk. & Jos.K. Mill.) Bon 1985
- Cuphophyllus virgineus (Wulfen) Kovalenko 1989
- Cuphophyllus virgineus var. fuscescens (Bres.) E. Campo 2015
- Cuphophyllus virgineus var. ochraceopallidus (P.D. Orton) E. Campo 2015
- Cryptomarasmius minutus (Peck) T.S. Jenkinson & Desjardin 2014
- Cuphophyllus berkeleyi (P.D. Orton) Bon 1985
- Cuphophyllus borealis (Peck) Bon 1985
- Cuphophyllus cereopallidus (Clémençon) Bon 1985
- Cuphophyllus cinerellus (Kühner) Bon 1985
- Cuphophyllus cinereus (Pers.) Bon 1985
- Cyclomyces fuscus Kunze : Fr. 1830
- Cyclomyces tabacinus (Mont.) Pat. 1900
- Cyclomyces setiporus (Berk.) Pat. 1900
- Cylindrobasidium laeve (Pers. : Fr.) Chamuris 1984
- Cymatoderma dendriticum (Pers.) D.A. Reid 1959
- Cymatoderma elegans Jungh. 1840
- Cymatoderma caperatum (Berk. & Mont.) D.A. Reid 1956
- Cystoderma bonnardii Thoen 2005
- Cystoderma intermedium Harmaja 1979
- Cystoderma fallax A.H. Sm. & Singer 1945
- Cystoderma jasonis (Cooke & Massee) Harmaja 1978
- Cystoderma niveum Harmaja 1985
- Cystoderma saarenoksae Harmaja 1985
- Cystoderma simulatum P.D. Orton 1960
- Cystoderma subvinaceum A.H. Sm. 1945
- Cystoderma rugosoreticulatum (F. Lorinser) Wasser 1978
- Cystoderma simulatum var. bispora Glowinski & Gumb. 1982
- Cystoderma superbum Huijsman 1956
- Cystoderma tricholomoides Heinem. & Thoen 1973
- Cystodermella adnatifolia (Peck) Harmaja 2002
- Cystodermella granulosa (Batsch : Fr.) Harmaja 2002
- Cystolepiota adulterina (F.H. Møller) Bon 1976
- Cystolepiota cygnea (J.E. Lange) M.M. Moser 1978
- Cystolepiota icterina Knudsen 1978
- Cystostereum pini-canadense (Schwein.) Parmasto 1968
- Dacrymyces adpressus Grognot 1863
- Dacrymyces capitatus Schwein. 1832
- Dacrymyces confluens P. Karst. 1887
- Dacrymyces corticioides Ellis & Everh. 1885
- Dacrymyces ellisii Coker 1920
- Dacrymyces enatus (Berk. & M.A. Curtis) Massee 1891
- Dacrymyces estonicus Raitv. 1962
- Dacrymyces macnabbii D.A. Reid 1974
- Dacrymyces ovisporus Bref. 1888
- Dacrymyces minor Peck 1878
- Dacrymyces tortus (Willd.) Fr. 1828
- Dacryobolus phalloides Manjón, Hjortstam & G. Moreno 1984
- Dacryobolus sudans (Alb. & Schwein. : Fr.) Fr. 1849
- Dacryobolus karstenii (Bres.) Oberw. ex Parmasto 1968
- Cuphophyllus colemannianus (A. Bloxam) Bon 1984
- Cuphophyllus flavipes (Britzelm.) Bon 1985
- Cuphophyllus fornicatus (Fr.) Lodge, Padamsee & Vizzini 2013
- Cuphophyllus hygrocyboides (Kühner) Bon 1985
- Cuphophyllus lacmus (Schumach.) Bon 1985
- Cuphophyllus ochraceopallidus (P.D. Orton) Bon 1985
- Cytidia salicina (Fr.) Burt 1924
- Daedalea quercina f. trametea (Bourdot & Galzin) Bondartsev 1967
- Daedaleopsis septentrionalis (P. Karst.) Niemelä 1882
- Cystolepiota moelleri Knudsen 1978
- Cystolepiota pulverulenta (Huijsman) Vellinga 1992
- Dacrymyces pallens Ficinus & C. Schub. 1823
- Dacrymyces lacrymalis (Pers. : Gray) Sommerf. 1826
- Dacrymyces paraphysatus L.S. Olive 1958
- Dacrymyces suecicus McNabb 1973
- Dacrymyces microsporus P. Karst. 1889
- Dacryopinax spathularia (Schwein.) G.W. Martin 1948
- Cuphophyllus niveus f. roseipes (Massee) Bon 1989
- Cuphophyllus nebularis (Clémençon) Bon 1985