Acolium (Acharius) S.F. Gray, 1821 (current name source)
Acolium Trevisan, 1862 accepted as Calicium Persoon in Roemer & Usteri, 1794 (source of synonymy)
Allobotryotrichum M. Raza & L. Cai in Raza et al., 2019 (name verified source)
Allobotryotrichum M. Raza & L. Cai in Raza et al., 2019 (verified source for family)
Allobotryotrichum M. Raza & L. Cai in Raza et al., 2019 (current name source)
Allobotryotrichum M. Raza & L. Cai in Raza et al., 2019 (extant flag source)
Allobotryotrichum M. Raza & L. Cai in Raza et al., 2019 (basis of record)
Amphichorda E.M. Fries, 1825 (current name source)
Angiopsora Mains, 1934 (current name source)
Antennatula E.M. Fries ex F. Strauss, 1850 accepted as Euantennaria Spegazzini, 1918 (source of synonymy)
Ardhachandra C.V. Subramanian & K. Sudha, 1978 (current name source)
Artomyces W. Jülich, 1982 (current name source)
Ascocodinaceae D.F. Bao, K.D. Hyde & Z.L. Luo in Bao et al., 2023 accepted as Ascocodinaeaceae D.F. Bao, K.D. Hyde & Z.L. Luo in Bao et al., 2023 (source of synonymy)
Ascocodinaeaceae D.F. Bao, K.D. Hyde & Z.L. Luo in Bao et al., 2023 (name verified source)
Asterocystis De Wildeman, 1893 accepted as Olpidiaster Pascher, 1917 (source of synonymy)
Atractobasidium G.W. Martin, 1935 (current name source)
Austroporia B.K. Cui & S. Liu in Liu et al., 2022 (status source)
Belonopsis (P.A. Saccardo) P.A. Saccardo & P. Sydow, 1902 accepted as Belonopsis (Saccardo) Rehm, 1891 (source of synonymy)
Blastostroma C.Z. Wei, Y. Harada & K. Katumoto, 1998 accepted as Petrakia P. Sydow in Sydow & Sydow, 1913 (source of synonymy)
Blennothallia Trevisan, 1853 (current name source)
Brencklea Petrak, 1923 (additional source)
Brevilegnia W.C. Coker & J.N. Couch, 1927 (additional source)
Cambaraspora J. Bojko, D.C. Behringer, P. Moler, C.E. Stratton & L. Reisinger, 2020 (current name source)
Cambaraspora J. Bojko, D.C. Behringer, P. Moler, C.E. Stratton & L. Reisinger, 2020 (verified source for family)
Carcinomyces F. Oberwinkler & R. Bandoni, 1982 (current name source)
Catabotryaceae F. Petrak ex M.E. Barr, 1990 (extant flag source)
Catabotryaceae F. Petrak ex M.E. Barr, 1990 (name verified source)
Catabotryaceae F. Petrak ex M.E. Barr, 1990 (basis of record)
Catabotrydaceae accepted as Catabotryaceae F. Petrak ex M.E. Barr, 1990 (status source)
Catabotrydaceae accepted as Catabotryaceae F. Petrak ex M.E. Barr, 1990 (source of synonymy)
Cenangiopsis Velenovský, 1947 (status source)
Cenangiopsis Velenovský, 1947 (verified source for family)
Chorioactis Kupfer, 1902 accepted as Chorioactis Kupfer ex Eckblad, 1968 (source of synonymy)
Chorioactis Kupfer, 1902 accepted as Chorioactis Kupfer ex Eckblad, 1968 (status source)
Clitopilopsis R. Maire, 1937 (current name source)
Coccospora Wallroth, 1833 (verified source for family)
Coccospora G.W. Körber, 1863 (name verified source)
Coccospora G.W. Körber, 1863 (basis of record)
Coccospora G.W. Körber, 1863 (status source)
Coccospora G.W. Körber, 1863 (verified source for family)
Coccospora G.W. Körber, 1863 (extant flag source)
Collema P. Browne, 1756 (status source)
Coremiopsis Sizova & Suprun, 1957 accepted as Cordyceps E.M. Fries, 1824 (source of synonymy)
Crossopsora H. Sydow & P. Sydow, 1919 (additional source)
Cryptococcus Kützing, 1833 (status source)
Cryptonectriella (F. von Höhnel) Weese, 1919 (additional source)
Cryptonectriopsis (F. von Höhnel) Weese, 1919 (additional source)
Cyathus Persoon, 1801 accepted as Cyathus Haller, 1768 (source of synonymy)
Cyphelium Acharius, 1815 accepted as Calicium Persoon in Roemer & Usteri, 1794 (source of synonymy)
Cyttariella Palm, 1932 (current name source)
Dasturella Mundkur & Kheswalla, 1943 accepted as Kweilingia Teng, 1940 (source of synonymy)
Dendrophoma P.A. Saccardo, 1880 (verified source for family)
Dendrophoma P.A. Saccardo, 1880 (current name source)
Dendrosporium Plakidas & Edgerton, 1936 accepted as Dendrosporium Plakidas & Edgerton ex J.L. Crane, 1972 (source of synonymy)
Dendrosporium Plakidas & Edgerton, 1936 accepted as Dendrosporium Plakidas & Edgerton ex J.L. Crane, 1972 (status source)
Diarimella B.C. Sutton, 1980 accepted as Dinemasporium Léveille, 1846 (additional source)
Dichotomophthora Mehrlich & Fitzpatrick ex M.B. Ellis, 1971 (basis of record)
Dichotomophthora Mehrlich & Fitzpatrick ex M.B. Ellis, 1971 (current name source)
Dichotomophthora Mehrlich & Fitzpatrick ex M.B. Ellis, 1971 (extant flag source)
Dichotomophthora Mehrlich & Fitzpatrick ex M.B. Ellis, 1971 (verified source for family)
Dichotomophthora Mehrlich & Fitzpatrick ex M.B. Ellis, 1971 (name verified source)
Dictyonema Reinsch, 1875 (verified source for family)
Dictyonema Reinsch, 1875 (status source)
Dictyuchus H. Leitgeb, 1868 (additional source)
Didymostilbe Bresadola & Saccardo, 1903 accepted as Didymostilbe Hennings, 1902 (source of synonymy)
Dimorphomyces Omoifo, 1997 (status source)
Diplocarpa Massee, 1895 (verified source for family)
Diplococcium W.B. Grove, 1885 (verified source for family)
Dothideopsella F. von Höhnel, 1915 (additional source)
Dubitatio Spegazzini, 1882 (additional source)
Echinoderma (Locquin ex Bon) Bon, 1991 (current name source)
Enchylium (Acharius) S.F. Gray, 1821 (current name source)
Enchylium A. Massalongo, 1853 accepted as Pterygiopsis Vainio, 1890 (source of synonymy)
Enchylium (Acharius) S.F. Gray, 1821 (name verified source)
Endoconidiophora Münch, 1907 (current name source)
Endogenium J. Crocq, 1854 accepted as Endogonium J. Crocq, 1854 accepted as Erysiphe R. Hedwig ex A.P. de Candolle, 1805 (basis of record)
Endogenium J. Crocq, 1854 accepted as Endogonium J. Crocq, 1854 accepted as Erysiphe R. Hedwig ex A.P. de Candolle, 1805 (status source)
Endogenium J. Crocq, 1854 accepted as Endogonium J. Crocq, 1854 accepted as Erysiphe R. Hedwig ex A.P. de Candolle, 1805 (source of synonymy)
Endogonium J. Crocq, 1854 accepted as Erysiphe R. Hedwig ex A.P. de Candolle, 1805 (name verified source)
Ephelidium C.W. Dodge & E.D. Rudolph, 1955 (status source)
Epidermophyton M. Mégnin, 1881 accepted as Microsporum Gruby, 1843 (status source)
Epidermophyton M. Mégnin, 1881 accepted as Microsporum Gruby, 1843 (source of synonymy)
Epidermophyton M. Mégnin, 1881 accepted as Microsporum Gruby, 1843 (name verified source)
Epidermophyton M. Mégnin, 1881 accepted as Microsporum Gruby, 1843 (basis of record)
Epidermophyton M. Mégnin, 1881 accepted as Microsporum Gruby, 1843 (extant flag source)
Erysiphites Meschinelli, 1910 † (name verified source)
Eurychasma Magnus, 1905 (current name source)
Exosporodiella A.A. Ganie, M.F. Azam & A.H. Wani, 2012 (verified source for family)
Exosporodiella A.A. Ganie, M.F. Azam & A.H. Wani, 2012 (name verified source)
Fibroporia E. Parmasto, 1968 (current name source)
Fibroporia E. Parmasto, 1968 (verified source for family)
Filobasidiella K.J. Kwon-Chung, 1976 accepted as Cryptococcus Vuillemin, 1901 (source of synonymy)
Fumagopsis Spegazzini, 1910 (current name source)
Galerella Earle, 1909 (current name source)
Gassicurtia Fée, 1824 (current name source)
Gnomoniopsis Berlese, 1892 (current name source)
Graminella L. Léger & M. Gauthier, 1937 accepted as Graminella L. Léger & M. Gauthier ex Manier, 1962 (status source)
Graminella L. Léger & M. Gauthier, 1937 accepted as Graminella L. Léger & M. Gauthier ex Manier, 1962 (source of synonymy)
Guomyces Q.-M. Wang, E. Tanaka, M. Groenewald & D. Begerow in Li et al., 2024 (status source)
Hazslinszkya G.W. Körber, 1861 (additional source)

 Taxonomic remark

 for Ascocodinaceae D.F. Bao, K.D. Hyde & Z.L. Luo in Bao et al., 2023

Name incorrectly formed (type genus is Ascocodinaea not Ascocodina), corrected spelling Ascocodinaeaceae is required. [details]

 Taxonomic remark

 for Belonopsis (Saccardo) Rehm, 1891

Authorship given in Index Nominum Genericorum as (P.A. Saccardo) P.A. Saccardo & P. Sydow, 1902, however that ... [details]

 Taxonomic remark

 for Collema P. Browne, 1756

Nom. inval., Art. 32.1(c) (Shenzhen) (Index Fungorum). A rejected name vs. Collema F.H. Wiggers, 1780 ... [details]

 Taxonomic remark

 for Diplococcium W.B. Grove, 1885

Genus not listed in Hyde et al., 2024, although its (current) synonym in IRMNG, Tretendophragmia is (as Ascomycota ... [details]

 Taxonomic remark

 for Endogonium J. Crocq, 1854

Original spelling: Endogenium; emended spelling possibly follows entry Saccardo, 1882. Indicated synonymy is ... [details]

 Taxonomic remark

 for Garcileccinum Ayala-Vasquez & Pérez-Moreno, 2023

Invalid name (Art. 40.1: type species invalid due to multiple code violations), although accepted in Index ... [details]

 Taxonomic remark

 for Hodophilus R. Heim, 1958

Year given as 1965 in Index Nominum Genericorum (publication as Heim, Rev. Mycol. (Paris) 30(4): 231. 1965, however ... [details]

 Taxonomic remark

 for Hyperdermium J.F. White, R. Sullivan, Bills & Hywel-Jones, 2000

Listed as an accepted genus in Hyde et al., 2024, however a syn. of Epichloe according to Index Fungorum (2026), ... [details]

 Taxonomic remark

 for Ionomidotis E.J. Durand ex Thaxter, 1923

Listed as accepted in Hyde et al., 2024, however a syn. of Diplocarpa according to Yu et al., 2025 and Index ... [details]

 Taxonomic remark

 for Kutilakesa C.V. Subramanian, 1956

As accepted genus in Hyde et al., 2024, however treated as a syn. of Sarcopodium in Index Fungorum (2026), that ... [details]

 Taxonomic remark

 for Margarinomyces O. Laxa, 1930

The type species of Margarinomyces, M. bubakii Laxa, was transferred to Cadophora by Damm & Bien, 2020 (see ... [details]

 Taxonomic remark

 for Melaspileomyces Ciferri & Tomaselli, 1953

As syn. of Melaspilea in Index Fungorum (2026), however a syn. of Hazslinszkya according to Ertz & Diederich, 2015 ... [details]

 Taxonomic remark

 for Microsphaeropsis H. Sydow & P. Sydow, 1916

Authorship of this genus given as von Höhnel, 1917 in Kirk et al., 2008, Index Nominum Genericorum (record updated ... [details]

 Taxonomic remark

 for Microsphaeropsis F. von Höhnel, 1917

Authorship of this genus given as von Höhnel, 1917 in Kirk et al., 2008, Index Nominum Genericorum (record updated ... [details]

 Taxonomic remark

 for 

This name "Microsporidium Sprague, 1977" appeared in Index Fungorum (2009) but has since been deleted. It appears ... [details]

 Taxonomic remark

 for Murogenella R.D. Goos & E.F. Morris, 1965

Listed as accepted genus in Hyde et al., 2024 and some other works, however Index Fungorum (2026) accepts the ... [details]

 Taxonomic remark

 for Orbiliopsis (Saccardo & D. Saccardo) Sydow & P. Sydow, 1924

Basionym: Orbilia subgen. Orbiliopsis Sacc. & D. Sacc. 1906 [details]

 Taxonomic remark

 for Pellionella (Saccardo & P. Sydow) Saccardo in Penzig & Saccardo, 1902

Basionym: Diplodiella subgen. Pellionella Sacc. & P. Syd. 1899 [details]

 Taxonomic remark

 for Shivomyces V.B. Hosagoudar, 2004

Original spelling Shivamyces; Shivomyces is correct according to Index Fungorum, although Hyde et al., 2024 use ... [details]

 Taxonomic remark

 for Tremella Persoon, 1794

Although this name and authorship is given as current in Kirk et al., Dictionary of the Fungi, 2008, the accepted ... [details]

 Taxonomic remark

 for Tricornispora L. Bonar, 1967

Listed in Index Fungorum (2026) as a syn. of Tridentaria, however a recent source for this assertion has not been ... [details]