Species (78)
- Hormomyces abietinus P. Karst. 1890
- Hormomyces aurantiacus Bonord. 1851
- Tremella callunicola P. Roberts 2001
- Tremella aurantia Schwein. 1822
- Tremella candelariellae Diederich & Etayo 1996
- Tremella caloplacae (Zahlbr.) Diederich 2003
- Tremella exigua Desm. 1847
- Tremella fuciformis Berk. 1856
- Tremella cetrariicola Diederich & Coppins 1996
- Tremella globispora D.A. Reid 1970
- Tremella hypogymniae Diederich & M.S. Christ. 1996
- Tremella hypocenomycis Diederich 1996
- Tremella intumescens Sm. 1790
- 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 juniperina P. Karst. 1869
- Tremella moriformis (Fr.) W.G. Sm. 1812
- Tremella mesenterica Retz. : Fr. 1769
- 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
- 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
- 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 encephala Pers. : Fr. 1801
- Tremella everniae Diederich 1996
- Filobasidiella depauperata (Petch) Samson, Stalpers & Weijman 1983
- Filobasidiella lutea P. Roberts 1997
- Biatoropsis usnearum Räsänen 1934
- Sirotrema translucens (H.D. Gordon) Bandoni 1986
- Tremella australiensis Lloyd 1913
- Naematelia encephala (Pers. : Fr.) Fr. 1818
- Tremella atrovirens (Fr.) Sacc. 1888
- Tremella candida var. globospora (D.A. Reid) Krieglst. 1999
- Tremella karstenii Hauerslev 1999
- Exidia intumescens (Sm.) Rea 1922
- Tremella mesenterica f. crystallina Ew. Gerhardt 1997
- Tremella atroglobosa Lloyd 1922
- Tremella virescens Schumach. 1803
- Tremella colorata Peck 1873
- Tremella lutescens (Pers.) Fr. 1800
- Pseudostypella translucens (H.D. Gordon) D.A. Reid & Minter 1979
- Tremella translucens H.D. Gordon 1938