• Oidium Link in Willdenow, 1824
• Oidium Link, 1809 accepted as Oidium Link in Willdenow, 1824
• Oidium P.A. Saccardo, 1880 accepted as Oidium Link in Willdenow, 1824
• Oidium abortifaciens J. Kickx f.
• Oidium albicans C.P. Robin, 1853 accepted as Candida albicans (C.P. Robin) Berkhout, 1923
• Oidium alphitoides Griffon & Maubl., 1910 accepted as Microsphaera alphitoides Griffon & Maubl., 1912
• Oidium anacardii F. Noack, 1898
• Oidium arachidis Chorin, 1961
• Oidium aurantiacum Lév. ex Mont. accepted as Chrysonilia sitophila (Mont.) Arx, 1981
• Oidium aureum Link, 1809 accepted as Botryobasidium aureum Parmasto, 1965
• Oidium balsamii Mont., 1836 accepted as Erysiphe verbasci (Jacz.) S. Blumer, 1933
• Oidium begoniae Puttemans, 1911 accepted as Microsphaera begoniae Sivan., 1971
• Oidium berberidis Thüm. accepted as Microsphaera berberidis (DC.) Lév., 1851
• Oidium biforme Linder, 1942 accepted as Haplotrichum simile (Berk.) Hol.-Jech., 1976
• Oidium bloxamii (Berk. & Broome) Linder, 1942 accepted as Botryobasidium candicans J. Erikss., 1958
• Oidium bullatum Berk. & Broome, 1855 accepted as Taphrina bullata (Berk. & Broome) Tul., 1866
• Oidium candicans (Sacc.) Linder, 1942
• Oidium capitatum (Link) Hol.-Jech., 1969 accepted as Botryobasidium candicans J. Erikss., 1958
• Oidium caricae F. Noack, 1898 accepted as Oidium caricae-papayae W.Y. Yen, 1966
• Oidium caricae-papayae W.Y. Yen, 1966
• Oidium carpini Foitzik, 1995
• Oidium chartarum Link, 1824
• Oidium chilense Linder, 1942 accepted as Haplotrichum chilense (Linder) Hol.-Jech., 1976
• Oidium chrysanthemi Rabenh., 1853
• Oidium citri-aurantii Ferraris, 1899 accepted as Geotrichum candidum Link, 1809
• Oidium concentricum Berk. & Broome
• Oidium conspersum (Link) Linder, 1942 accepted as Botryobasidium conspersum J. Erikss., 1958
• Oidium corticale Peck, 1875 accepted as Pseudaegerita corticalis (Peck) J.L. Crane & Schokn., 1981
• Oidium crataegi Grognot accepted as Podosphaera clandestina (Wallr.) Lév., 1851
• Oidium curtisii (Berk.) Linder, 1942 accepted as Haplotrichum curtisii (Berk.) Hol.-Jech., 1976
• Oidium cutaneum Beurm., Gougerot & Vaucher bis, 1909 accepted as Trichosporon cutaneum (Beurm., Gougerot & Vaucher) N. Ota, 1926
• Oidium cutaneum de Bary accepted as Trichosporon cutaneum (Beurm., Gougerot & Vaucher) N. Ota, 1926
• Oidium cynarae Ferraris & Massa accepted as Leveillula taurica (Lév.) G. Arnaud, 1921
• Oidium cyparissiae Syd., 1897
• Oidium ellipsosporum Hol.-Jech., 1969 accepted as Botryobasidium ellipsosporum Hol.-Jech., 1969
• Oidium ericinum Erikss., 1885
• Oidium erysiphoides Fr., 1832 accepted as Sphaerotheca fuliginea (Schltdl.) Pollacci, 1911
• Oidium euonymi-japonici E.S. Salmon accepted as Erysiphe euonymi-japonici (Vienn.-Bourg.) U. Braun & S. Takam., 2000
• Oidium farinosum Cooke, 1887 accepted as Podosphaera leucotricha (Ellis & Everh.) E.S. Salmon, 1900
• Oidium fragariae Harz accepted as Sphaerotheca humuli (DC.) Burrill, 1887
• Oidium fulvum (Kunze & J.C. Schmidt) Link, 1824 accepted as Botryobasidium aureum Parmasto, 1965
• Oidium furfur (C.P. Robin) Zopf, 1890 accepted as Malassezia furfur (C.P. Robin) Baill., 1889
• Oidium gracile Weigmann & A. Wolff, 1909 accepted as Geotrichum gracile (Weigmann & A. Wolff) Windisch, 1952
• Oidium heveae B.A. Steinm., 1925
• Oidium hortensiae Jørst., 1925
• Oidium humi P. Mazé accepted as Oospora humi (P. Mazé) Berkhout, 1923
• Oidium lactis Fresen., 1850 accepted as Endomyces lactis (Fresen.) Windisch, 1951
• Oidium lactis Thüm. accepted as Geotrichum candidum Link, 1809
• Oidium lamii Rabenh., 1853 accepted as Ovularia lamii (Rabenh.) Sacc., 1892
• Oidium lanosum (Cooke) Linder, 1942 accepted as Rhinotrichum lanosum Cooke, 1871
• Oidium lauracearum Graniti & U. Braun, 1998
• Oidium laxum Ehrenb. accepted as Monilia laxa (Ehrenb.) Sacc. & Voglino, 1886
• Oidium leucoconium Desm., 1846 accepted as Sphaerotheca pannosa (Wallr.) Lév., 1851
• Oidium lini Bondartsev
• Oidium ludwigii E.C. Hansen accepted as Geotrichum ludwigii (E.C. Hansen) S.F. Fang, T.C. Yen & J.C. Yen, 1968
• Oidium lupuli V.D. Matthews & Lott accepted as Chrysonilia sitophila (Mont.) Arx, 1981
• Oidium macrosporum (Farl.) Linder, 1942 accepted as Olpitrichum macrosporum (Farl. ex Sacc.) Sumst., 1911
• Oidium mangiferae Berthet, 1914
• Oidium medium Hol.-Jech., 1969 accepted as Haplotrichum medium (Hol.-Jech.) Hol.-Jech., 1976
• Oidium mespili Cooke, 1887 accepted as Podosphaera leucotricha (Ellis & Everh.) E.S. Salmon, 1900
• Oidium microspermum Berk. & Broome accepted as Arthropsis microsperma (Berk. & Broome) Sigler, 1983
• Oidium monilioides (Nees) Link, 1824 accepted as Blumeria graminis (DC.) Speer, 1975
• Oidium murrilliae Sumst., 1913 accepted as Botryobasidium aureum Parmasto, 1965
• Oidium necator accepted as Erysiphe necator Schwein., 1834
• Oidium oxalidis McAlpine, 1894 accepted as Erysiphe russellii (Clinton) U. Braun & S. Takam., 2000
• Oidium passerinii Berk., 1915 accepted as Podosphaera tridactyla (Wallr.) de Bary, 1870
• Oidium porriginis Mont., 1850 accepted as Oospora porriginis (Mont. & Berk.) Sacc., 1886
• Oidium pullorum Jungherr
• Oidium quercinum Thüm. accepted as Microsphaera alphitoides Griffon & Maubl., 1912
• Oidium radiosum Lib., 1834 accepted as Pollaccia radiosa (Lib.) E. Bald. & Cif., 1939
• Oidium ramosissimum (Berk. & M.A. Curtis) Linder, 1942 accepted as Tomentella lapida (Pers.) Stalpers, 1984
• Oidium ramosum (Fuckel) S. Hughes, 1953 accepted as Alysidium resinae (Fr.) M.B. Ellis, 1971
• Oidium rubellum (Bonord.) Sacc. & Voglino accepted as Ramularia rubella (Bonord.) Nannf., 1950
• Oidium rubiginosum (Fr.) Linder, 1942 accepted as Haplotrichum rubiginosum (Fr.) Hol.-Jech., 1976
• Oidium schoenleinii Lebert, 1845 accepted as Trichophyton schoenleinii (Lebert) Langeron & Miloch. ex Nann., 1934
• Oidium sesami (Y.S. Paul & J.N. Kapoor) Hosag., Vijay., Udaiyan & Manian, 1992
• Oidium simile Berk., 1845 accepted as Haplotrichum simile (Berk.) Hol.-Jech., 1976
• Oidium tabaci Thüm. accepted as Erysiphe cichoracearum Jacz., 1927
• Oidium tenellum (Berk. & M.A. Curtis) Linder, 1942 accepted as Olpitrichum tenellum (Berk. & M.A. Curtis) Hol.-Jech., 1975
• Oidium tenuis P. Mazé accepted as Oospora tenuis (P. Mazé) Berkhout, 1923
• Oidium tropicale Castell., 1910 accepted as Candida tropicalis (Castell.) Berkhout, 1923
• Oidium tuckeri Berk., 1847 accepted as Erysiphe necator Schwein., 1834
• Oidium uredinis Link, 1824 accepted as Kuehneola uredinis (Link) Arthur, 1906