Aaosphaeria A. Aptroot, 1995 (basis of record)
Aaosphaeria A. Aptroot, 1995 (verified source for family)
Aaosphaeria A. Aptroot, 1995 (current name source)
Aaosphaeria A. Aptroot, 1995 (extant flag source)
Abacina Norman, 1853 accepted as Diplotomma Flotow, 1849 (extant flag source)
Abacina Norman, 1853 accepted as Diplotomma Flotow, 1849 (basis of record)
Abacina Norman, 1853 accepted as Diplotomma Flotow, 1849 (source of synonymy)
Abacina Norman, 1853 accepted as Diplotomma Flotow, 1849 (verified source for family)
Abaphospora Kirschstein, 1939 accepted as Strickeria Körber, 1865 (basis of record)
Abaphospora Kirschstein, 1939 accepted as Strickeria Körber, 1865 (source of synonymy)
Abaphospora Kirschstein, 1939 accepted as Strickeria Körber, 1865 (verified source for family)
Abaphospora Kirschstein, 1939 accepted as Strickeria Körber, 1865 (extant flag source)
Abeliella Mägdefrau, 1937 † (basis of record)
Abelspora Azevedo, 1987 (basis of record)
Abelspora Azevedo, 1987 (current name source)
Abelspora Azevedo, 1987 (extant flag source)
Abgliophragma R.Y. Roy & S. Gujarati, 1966 (basis of record)
Abgliophragma R.Y. Roy & S. Gujarati, 1966 (current name source)
Abgliophragma R.Y. Roy & S. Gujarati, 1966 (extant flag source)
Abortiporus Murrill, 1904 (basis of record)
Abortiporus Murrill, 1904 (current name source)
Abortiporus Murrill, 1904 (extant flag source)
Abropelta B.C. Sutton, 1986 (basis of record)
Abropelta B.C. Sutton, 1986 (verified source for family)
Abropelta B.C. Sutton, 1986 (current name source)
Abropelta B.C. Sutton, 1986 (extant flag source)
Abrothallomyces Ciferri & Tomaselli, 1953 accepted as Dactylospora Körber, 1855 (basis of record)
Abrothallomyces Ciferri & Tomaselli, 1953 accepted as Dactylospora Körber, 1855 (source of synonymy)
Abrothallomyces Ciferri & Tomaselli, 1953 accepted as Dactylospora Körber, 1855 (verified source for family)
Abrothallomyces Ciferri & Tomaselli, 1953 accepted as Dactylospora Körber, 1855 (extant flag source)
Abrothallus G. De Notaris, 1845 (basis of record)
Abrothallus G. De Notaris, 1845 (current name source)
Abrothallus G. De Notaris, 1845 (extant flag source)
Absconditella Vezda, 1965 (basis of record)
Absconditella Vezda, 1965 (verified source for family)
Absconditella Vezda, 1965 (current name source)
Absconditella Vezda, 1965 (extant flag source)
Absidia Van Tieghem, 1878 (basis of record)
Absidia Van Tieghem, 1878 (verified source for family)
Absidia Van Tieghem, 1878 (current name source)
Absidia Van Tieghem, 1878 (extant flag source)
Abstoma G.H. Cunningham, 1926 (basis of record)
Abstoma G.H. Cunningham, 1926 (extant flag source)
Abundisporus L. Ryvarden, 1999 (basis of record)
Abundisporus L. Ryvarden, 1999 (current name source)
Abundisporus L. Ryvarden, 1999 (extant flag source)
Abyssomyces J. Kohlmeyer, 1970 (basis of record)
Abyssomyces J. Kohlmeyer, 1970 (verified source for family)
Abyssomyces J. Kohlmeyer, 1970 (current name source)
Abyssomyces J. Kohlmeyer, 1970 (extant flag source)
Acallomyces Thaxter, 1902 (basis of record)
Acallomyces Thaxter, 1902 (verified source for family)
Acallomyces Thaxter, 1902 (current name source)
Acallomyces Thaxter, 1902 (extant flag source)
Acalyptospora Desmazières, 1848 (basis of record)
Acalyptospora Desmazières, 1848 (verified source for family)
Acalyptospora Desmazières, 1848 (current name source)
Acalyptospora Desmazières, 1848 (extant flag source)
Acalyptospora Desmazières, 1848 (habitat flag source)
Acantharia Theissen & H. Sydow, 1918 (basis of record)
Acantharia Theissen & H. Sydow, 1918 (verified source for family)
Acantharia Theissen & H. Sydow, 1918 (current name source)
Acantharia Theissen & H. Sydow, 1918 (extant flag source)
Acanthellorhiza P. Roberts, 1999 (basis of record)
Acanthellorhiza P. Roberts, 1999 (verified source for family)
Acanthellorhiza P. Roberts, 1999 (name verified source)
Acanthellorhiza P. Roberts, 1999 (current name source)
Acanthellorhiza P. Roberts, 1999 (extant flag source)
Acanthobasidium Oberwinkler, 1965 (basis of record)
Acanthobasidium Oberwinkler, 1965 (verified source for family)
Acanthobasidium Oberwinkler, 1965 (current name source)
Acanthobasidium Oberwinkler, 1965 (extant flag source)
Acanthocystis (Fayod) Kühner, 1926 accepted as Hohenbuehelia S. Schulzer von Müggenburg in Schulzer von Müggenburg et al., 1866 (basis of record)
Acanthocystis (Fayod) Kühner, 1926 accepted as Hohenbuehelia S. Schulzer von Müggenburg in Schulzer von Müggenburg et al., 1866 (source of synonymy)
Acanthocystis (Fayod) Kühner, 1926 accepted as Hohenbuehelia S. Schulzer von Müggenburg in Schulzer von Müggenburg et al., 1866 (verified source for family)
Acanthocystis (Fayod) Kühner, 1926 accepted as Hohenbuehelia S. Schulzer von Müggenburg in Schulzer von Müggenburg et al., 1866 (extant flag source)
Acanthoderma H. Sydow & P. Sydow, 1917 (basis of record)
Acanthoderma H. Sydow & P. Sydow, 1917 (verified source for family)
Acanthoderma H. Sydow & P. Sydow, 1917 (current name source)
Acanthoderma H. Sydow & P. Sydow, 1917 (extant flag source)
Acanthodochium G.J. Samuels, J.D. Rogers & E. Nagasawa, 1987 (basis of record)
Acanthodochium G.J. Samuels, J.D. Rogers & E. Nagasawa, 1987 (verified source for family)
Acanthodochium G.J. Samuels, J.D. Rogers & E. Nagasawa, 1987 (current name source)
Acanthodochium G.J. Samuels, J.D. Rogers & E. Nagasawa, 1987 (extant flag source)
Acanthofungus Sheng H. Wu, J. Boidin & C.Y. Chien, 2000 (basis of record)
Acanthofungus Sheng H. Wu, J. Boidin & C.Y. Chien, 2000 (verified source for family)
Acanthofungus Sheng H. Wu, J. Boidin & C.Y. Chien, 2000 (current name source)
Acanthofungus Sheng H. Wu, J. Boidin & C.Y. Chien, 2000 (extant flag source)
Acanthographina (Vainio) W. Watson, 1929 accepted as Acanthothecis Clements, 1909 (basis of record)
Acanthographina (Vainio) W. Watson, 1929 accepted as Acanthothecis Clements, 1909 (source of synonymy)
Acanthographina (Vainio) W. Watson, 1929 accepted as Acanthothecis Clements, 1909 (extant flag source)
Acanthographis (Vainio) W. Watson, 1929 accepted as Acanthothecis Clements, 1909 (basis of record)
Acanthographis (Vainio) W. Watson, 1929 accepted as Acanthothecis Clements, 1909 (source of synonymy)
Acanthographis (Vainio) W. Watson, 1929 accepted as Acanthothecis Clements, 1909 (extant flag source)
Acanthogymnomyces S. Udagawa & S. Uchiyama, 2000 (basis of record)
Acanthogymnomyces S. Udagawa & S. Uchiyama, 2000 (verified source for family)
Acanthogymnomyces S. Udagawa & S. Uchiyama, 2000 (current name source)
Acanthogymnomyces S. Udagawa & S. Uchiyama, 2000 (extant flag source)
Acantholichen P.M. Jørgensen, 1998 (basis of record)
Acantholichen P.M. Jørgensen, 1998 (verified source for family)

 Taxonomic remark

 for Annularia Rafinesque, 1815

Nomen invalidum (Index Fungorum). [details]

 Taxonomic remark

 for Pilidium G. Kunze, 1823

Authority given in Index Nominum Genericorum as G. Kunze ex E.M. Fries, 1828. [details]