Species (592)
- Ceratosebacina prolifera (D.P. Rogers) P. Roberts 1999
- Cerinomyces canadensis (H.S. Jacks. & G.W. Martin) G.W. Martin 1949
- Cerinomyces megalosporus Duhem 1998
- Cerinomyces pallidus G.W. Martin 1949
- Guepiniopsis buccina (Pers. : Fr.) L.L. Kennedy 1958
- Guepiniopsis suecica (McNabb) Jülich 1982
- Herpobasidium struthiopteridis (Rostr.) Lind 1913
- Heterochaete minuta Pat. 1893
- Heterochaetella brachyspora Luck-Allen 1960
- Heterochaete macrochaete Bres. & Torrend 1913
- Heterochaete shearii (Burt) Burt 1921
- Phaeotremella fimbriata (Pers.) Spirin & V. Malysheva 2017
- Tremella callunicola P. Roberts 2001
- Tremella candelariellae Diederich & Etayo 1996
- Tremella caloplacae (Zahlbr.) Diederich 2003
- Tremella fuciformis Berk. 1856
- Tremella cetrariicola Diederich & Coppins 1996
- Tremella hypogymniae Diederich & M.S. Christ. 1996
- Tremella hypocenomycis Diederich 1996
- Tremella indecorata Sommerf. 1826
- Tremella giraffa Chee J. Chen 1998
- Tremella lichenicola Diederich 1986
- Tremella macroceratis Diederich & Hafellner 1996
- Tremella invasa (Hauerslev) Hauerslev 1996
- Tremella mycetophiloides Kobayasi 1939
- Tremella mycophaga G.W. Martin 1940
- Tremella obscura (L.S. Olive) M.P. Christ. 1954
- Tremella nashii Diederich 2007
- Tremella penetrans (Hauerslev) Jülich 1983
- Tremella parmeliarum Diederich 1996
- Tremella protoparmeliae Diederich & Coppins 1996
- Tremella pyrenophila Traverso & Migliardi 1914
- Tremella pertusariae Diederich 1996
- Tremella rosea Höhn. 1903
- Tremella subencephala Bandoni & Ginns 1993
- Tremella simplex H.S. Jacks. & G.W. Martin 1940
- Tremella telleriae M. Dueñas 2001
- Tremella tuckerae Diederich 2007
- Tremella vasifera Chee J. Chen 1998
- Tremella versicolor Berk. & Broome 1854
- Tremellodendropsis helvetica (Schild) Nitare 2014
- Tremellodendropsis flagelliformis var. ovalispora D.A. Crawford 1954
- Tremella wirthii Diederich 1996
- Tremella hymenophaga M. Dueñas 2001
- Tremella phaeophysciae Diederich & M.S. Christ. 1996
- Tremella rinodinae Diederich & M.S. Christ. 1996
- Tremella sarniensis P. Roberts 2001
- Tremella silvae-dravedae Hauerslev 1999
- Tremella spicata Bourdot & Galzin 1923
- Tremella steidleri (Bres.) Bourdot & Galzin 1928
- Tremella ramalinae Diederich 1996
- Tremella rhizocarpicola Diederich, Millanes & Wedin 2014
- Tremellodendropsis transpusio D.A. Crawford 1954
- Tremella christiansenii Diederich 1996
- Tremella caloceraticola Hauerslev 1999
- Tremella colpomaticola Hauerslev 1999
- Tremella cladoniae Diederich & M.S. Christ. 1996
- Tremella coppinsii Diederich & G. Marson 1988
- Tremella diaporthicola Ginns & M.N.L. Lefebvre 1993
- Tremella coriaria Bres. 1907
- Tremella candida var. effusa Alb. & Schwein. 1805
- Tremella discicola Van de Put 2004
- Tremella candida Pers. : Pers. 1801
- Tremella diploschistina Millanes, M. Westb., Wedin & Diederich 2012
- Tremella everniae Diederich 1996
- Occultifur corticiorum P. Roberts 1997
- Occultifur externus J.P. Samp., R. Bauer & Oberw. 1999
- Occultifur internus (L.S. Olive) Oberw. 1990
- Occultifur rivoirei Trichies 2017
- Syzygospora norvegica Ginns 1986
- Syzygospora bachmannii Diederich & M.S. Christ. 1996
- Syzygospora physciacearum Diederich 1996
- Syzygospora sorana Hauerslev 1989
- Tetragoniomyces uliginosus (P. Karst.) Oberw. & Bandoni 1981
- Myxarium subsphaerosporum Kisim.-Hor., Oberw. & L.D. Gómez 2000
- Mycogloea carnosa L.S. Olive 1950
- Platygloea basidiodendri M. Dueñas 2001
- Pilacrella solani Cohn & J. Schröt. 1887
- Phragmoxenidium mycophilum Oberw. & Schneller 1990
- Tulasnella danica Hauerslev 1979
- Tulasnella bourdotii Jülich 1982
- Tulasnella bifrons Bourdot & Galzin 1923
- Tulasnella cystidiophora Höhn. & Litsch. 1906
- Tulasnella dissitispora P. Roberts 1994
- Tulasnella falcifera P. Roberts 1992
- Tulasnella helicospora Raunk. 1918
- Tulasnella kongoensis P. Roberts 1997
- Tulasnella permacra P. Roberts 1993
- Tulasnella quasiflorens P. Roberts 1994
- Tulasnella rutilans (Johan-Olsen) Juel 1897
- Tulasnella saveloides P. Roberts 1993
- Tulasnella subglobospora Hjortstam 1983
- Tulasnella tomaculum P. Roberts 1993
- Cystobasidium hypogymniicola Diederich & Ahti 1996
- Exidia repanda Fr. 1822
- Exidia villosa Neuhoff 1935
- Exidia umbrinella Bres. 1900
- Exidiopsis citrina Hauerslev 1993