• Abortiporus biennis (Bull.) Singer, 1944
• Abortiporus borealis (Fr.) Singer, 1944 accepted as Climacocystis borealis (Fr.) Kotl. & Pouzar, 1958
• Abortiporus distortus (Schwein.) Murrill, 1904 accepted as Abortiporus biennis (Bull.) Singer, 1944
• Abortiporus fimbriatus (Fr.) O. Fidalgo & M. Fidalgo, 1957 accepted as Hydnopolyporus fimbriatus (Fr.) D.A. Reid, 1962
• Abortiporus fractipes (Berk. & M.A. Curtis) Gilb. & Ryvarden, 1986
• Abortiporus humilis (Peck) Singer, 1944 accepted as Abortiporus fractipes (Berk. & M.A. Curtis) Gilb. & Ryvarden, 1986
• Abortiporus roseus (D.A. Reid) Masuka & Ryvarden, 1992
• Abortiporus subabortivus Murrill, 1938 accepted as Diacanthodes novoguineensis (Henn.) O. Fidalgo, 1962
• Abortiporus tropicalis Murrill, 1910 accepted as Abortiporus fractipes (Berk. & M.A. Curtis) Gilb. & Ryvarden, 1986
• Abortiporus wynnei (Berk. & Broome) Rauschert, 1988 accepted as Tyromyces wynnei (Berk. & Broome) Donk, 1933
• Abortiporus zonatus (Corner) T. Hatt., 1999 accepted as Heteroporus zonatus Corner, 1987
• Abundisporus fuscopurpureus (Pers.) Ryvarden, 1999 accepted as Loweporus fuscopurpureus (Pers.) Ryvarden, 1980
• Abundisporus roseoalbus (Jungh.) Ryvarden, 1999 accepted as Loweporus roseoalbus (Jungh.) Ryvarden, 1980
• Abundisporus subflexibilis (Berk. & M.A. Curtis) Parmasto, 2000 accepted as Loweporus roseoalbus (Jungh.) Ryvarden, 1980
• Abundisporus violaceus (Wakef.) Ryvarden, 1999 accepted as Nigroporus violaceus (Wakef.) Ryvarden, 1972
• Acanthellorhiza globulifera P. Roberts, 1999 accepted as Heteroacanthella acanthophysa (Burds.) Oberw., 1990
• Acanthobasidium delicatum (Wakef.) Oberw. ex Jülich, 1979 accepted as Aleurodiscus delicatus Wakef., 1952
• Acanthobasidium delicatum (Wakef.) Oberw., 1965 accepted as Aleurodiscus delicatus Wakef., 1952
• Acanthobasidium norvegicum (J. Erikss. & Ryvarden) Boidin, Lanq., Cand., Gilles & Hugueney, 1986
• Acanthobasidium phragmitis Boidin, Lanq., Gilles, Cand. & Hugueney, 1986
• Acanthocystis applicatus (Batsch) Kühner, 1926 accepted as Resupinatus applicatus (Batsch) Gray, 1821
• Acanthocystis cyphelliformis (Berk. & Broome) Konrad & Maubl., 1937 accepted as Hohenbuehelia cyphelliformis (Berk. & Broome) O.K. Mill., 1986
• Acanthocystis geogenius (DC.) Kühner, 1926 accepted as Hohenbuehelia petaloides (Bull.) Schulzer, 1866
• Acanthocystis hepatotricha (Berk.) Singer, 1943 accepted as Lentinellus pulvinulus (Berk.) Pegler, 1965
• Acanthocystis longipes (Boud.) J. Favre, 1948 accepted as Hohenbuehelia longipes (Boud.) M.M. Moser, 1967
• Acanthocystis petaloides (Bull.) Kühner, 1926 accepted as Hohenbuehelia petaloides (Bull.) Schulzer, 1866
• Acanthocystis serotinus (Schrad.) Konrad & Maubl., 1937 accepted as Panellus serotinus (Schrad.) Kühner, 1950
• Acanthocystis stratosa (G.F. Atk.) Singer, 1943 accepted as Hohenbuehelia angustata (Berk.) Singer, 1951
• Acanthocystis striatula (Pers.) Kühner, 1926 accepted as Resupinatus striatulus (Pers.) Murrill, 1915
• Acanthocystis testudo (Berk.) Boedijn, 1940 accepted as Hohenbuehelia testudo (Berk.) Pegler, 1986
• Acanthocystis viscidula (Berk. & Broome) Singer, 1943 accepted as Pleurotus viscidulus (Berk. & Broome) Pegler, 1965
• Acanthofungus ahmadii (Boidin) Sheng H. Wu, Boidin & C.Y. Chien, 2000
• Acanthofungus rimosus Sheng H. Wu, Boidin & C.Y. Chien, 2000
• Acanthofungus thoenii (Boidin, Lanq. & Gilles) Sheng H. Wu, Boidin & C.Y. Chien, 2000
• Acantholichen pannarioides P.M. Jørg., 1998
• Acanthophysellum bisporum (Boidin & Lanq.) Boidin & Gilles, 2002 accepted as Acanthophysium bisporum Boidin & Lanq., 1986
• Acanthophysellum buxicola (Boidin & Lanq.) Boidin & Gilles, 2002 accepted as Acanthophysium buxicola Boidin & Lanq., 1986
• Acanthophysellum canadense (Skolko) Sheng H. Wu, Boidin & C.Y. Chien, 2000 accepted as Aleurodiscus canadensis Skolko, 1944
• Acanthophysellum cerussatum (Bres.) Parmasto, 1967 accepted as Aleurodiscus cerussatus (Bres.) Höhn. & Litsch., 1907
• Acanthophysellum dextrinoideocerussatum (Manjón, M.N. Blanco & G. Moreno) Sheng H. Wu, Boidin & C.Y. Chien, 2000 accepted as Aleurodiscus dextrinoideocerussatus Manjón, M.N. Blanco & G. Moreno, 1990
• Acanthophysellum lapponicum (Litsch.) Sheng H. Wu, Boidin & C.Y. Chien, 2000 accepted as Aleurodiscus lapponicus Litsch., 1944
• Acanthophysellum lividocoeruleum (P. Karst.) Parmasto, 1967 accepted as Aleurodiscus lividocaeruleus (P. Karst.) P.A. Lemke, 1964
• Acanthophysellum mesaverdense (Lindsey) Sheng H. Wu, Boidin & C.Y. Chien, 2000 accepted as Aleurodiscus mesaverdensis Lindsey, 1987
• Acanthophysium aberrans (G. Cunn.) G. Cunn., 1963 accepted as Aleurodiscus aberrans G. Cunn., 1956
• Acanthophysium abietis (H.S. Jacks. & P.A. Lemke) Ginns & M.N.L. Lefebvre, 1993 accepted as Aleurodiscus abietis H.S. Jacks. & P.A. Lemke, 1964
• Acanthophysium acerinum (Pers.) G. Cunn., 1963 accepted as Dendrothele acerina (Pers.) P.A. Lemke, 1965
• Acanthophysium ahmadii (Boidin) Boidin, 1986 accepted as Acanthofungus ahmadii (Boidin) Sheng H. Wu, Boidin & C.Y. Chien, 2000
• Acanthophysium apricans (Bourdot) G. Cunn., 1963 accepted as Aleurodiscus apricans Bourdot, 1910
• Acanthophysium aurantium (Pers.) G. Cunn., 1963 accepted as Aleurodiscus aurantius (Pers.) J. Schröt., 1888
• Acanthophysium australiense (Wakef.) G. Cunn., 1963 accepted as Aleurodiscus australiensis Wakef., 1918
• Acanthophysium berggrenii (Cooke) G. Cunn., 1963 accepted as Aleurodiscus berggrenii (Cooke) G. Cunn., 1953
• Acanthophysium biapiculatum G. Cunn., 1963 accepted as Dendrothele biapiculata (G. Cunn.) P.A. Lemke, 1965
• Acanthophysium bisporum Boidin & Lanq., 1986
• Acanthophysium botryosum (Burt) G. Cunn., 1963 accepted as Aleurodiscus botryosus Burt, 1918
• Acanthophysium buxicola Boidin & Lanq., 1986
• Acanthophysium canadense (Skolko) Parmasto, 1967 accepted as Aleurodiscus canadensis Skolko, 1944
• Acanthophysium candidum (Schwein.) G. Cunn., 1963 accepted as Dendrothele candida (Schwein.) P.A. Lemke, 1965
• Acanthophysium cerussatum (Bres.) Boidin, 1986 accepted as Aleurodiscus cerussatus (Bres.) Höhn. & Litsch., 1907
• Acanthophysium coralloides (G. Cunn.) G. Cunn., 1963 accepted as Aleurodiscus coralloides G. Cunn., 1956
• Acanthophysium coronatum (G. Cunn.) G. Cunn., 1963 accepted as Aleurodiscus coronatus G. Cunn., 1956
• Acanthophysium delicatum (Wakef.) Parmasto, 1967 accepted as Aleurodiscus delicatus Wakef., 1952
• Acanthophysium dendroideum (Ginns) Boidin, 1986 accepted as Aleurodiscus dendroideus Ginns, 1982
• Acanthophysium dextrinoideocerussatum (Manjón, M.N. Blanco & G. Moreno) Tellería, 1993 accepted as Aleurodiscus dextrinoideocerussatus Manjón, M.N. Blanco & G. Moreno, 1990
• Acanthophysium diffissum (Sacc.) Parmasto, 1967 accepted as Aleurodiscus diffissus (Sacc.) Burt, 1931
• Acanthophysium farlowii (Burt) Ginns & M.N.L. Lefebvre, 1993 accepted as Aleurodiscus farlowii Burt, 1918
• Acanthophysium fasciculatum G. Cunn., 1963 accepted as Epithele fasciculata (G. Cunn.) Boidin & Gilles, 1986
• Acanthophysium fennicum (Laurila) Parmasto, 1967 accepted as Aleurodiscus fennicus Laurila, 1939
• Acanthophysium fruticetorum (W.B. Cooke) Boidin, 1986 accepted as Aleurodiscus fruticetorum W.B. Cooke, 1943
• Acanthophysium lapponicum (Litsch.) Boidin, 1986 accepted as Aleurodiscus lapponicus Litsch., 1944
• Acanthophysium laurentianum (H.S. Jacks. & P.A. Lemke) Parmasto, 1967 accepted as Aleurodiscus laurentianus H.S. Jacks. & P.A. Lemke, 1964
• Acanthophysium lividocaeruleum (P. Karst.) Boidin, 1986 accepted as Aleurodiscus lividocaeruleus (P. Karst.) P.A. Lemke, 1964
• Acanthophysium ljubarskii (Parmasto) Boidin, 1986 accepted as Aleurodiscus ljubarskii Parmasto, 1967
• Acanthophysium macrocystidiatum (P.A. Lemke) Boidin, 1986 accepted as Aleurodiscus macrocystidiatus P.A. Lemke, 1964
• Acanthophysium mesaverdense (Lindsey) Boidin, 1990 accepted as Aleurodiscus mesaverdensis Lindsey, 1987
• Acanthophysium mirabile (Berk. & M.A. Curtis) Parmasto, 1967 accepted as Aleurodiscus mirabilis (Berk. & M.A. Curtis) Höhn., 1909
• Acanthophysium moniliferum (Malençon) Boidin, 1986 accepted as Aleurodiscus monilifer Malençon, 1954
• Acanthophysium nivosum (Berk. & M.A. Curtis ex Höhn. & Litsch.) G. Cunn., 1963 accepted as Dendrothele nivosa (Berk. & M.A. Curtis ex Höhn. & Litsch.) P.A. Lemke, 1965
• Acanthophysium oakesii (Berk. & M.A. Curtis) Parmasto, 1967 accepted as Aleurodiscus oakesii (Berk. & M.A. Curtis) Pat., 1875
• Acanthophysium penicillatum (Burt) Parmasto, 1967 accepted as Aleurodiscus penicillatus Burt, 1918
• Acanthophysium piceinum (E.M. Lyon & P.A. Lemke) Ginns & M.N.L. Lefebvre, 1993 accepted as Aleurodiscus piceinus E.M. Lyon & P.A. Lemke, 1964
• Acanthophysium pulvinatum G. Cunn., 1963 accepted as Dendrothele pulvinata (G. Cunn.) P.A. Lemke, 1965
• Acanthophysium spinigerum (D.P. Rogers & P.A. Lemke) Parmasto, 1967 accepted as Aleurodiscus spiniger D.P. Rogers & P.A. Lemke, 1964
• Acanthophysium succineum (Bres.) Boidin, 1986 accepted as Aleurodiscus succineus Bres., 1925
• Acanthophysium thoenii Boidin, Lanq. & Gilles, 1986
• Acanthophysium tsugae (Yasuda) Parmasto, 1965
• Acanthophysium weirii (Burt) Nakasone, 1990 accepted as Aleurodiscus weirii Burt, 1918
• Acanthophysium weirii (Burt) Parmasto, 1967 accepted as Aleurodiscus weirii Burt, 1918
• Acanthophysium weirii (Burt) Z.S. Bi & G.Y. Zheng, 1990 accepted as Aleurodiscus weirii Burt, 1918
• Achroomyces arrhytidiae (L.S. Olive) Wojewoda, 1977
• Achroomyces bisporus (Hauerslev) Hauerslev, 1993 accepted as Colacogloea bispora (Hauerslev) Oberw. & Bandoni, 1999
• Achroomyces effusus sensu auct.p.p. accepted as Colacogloea peniophorae (Bourdot & Galzin) Oberw., R. Bauer & Bandoni, 1991
• Achroomyces fimetarius (Schumach.) Wojewoda, 1977 accepted as Cystobasidium fimetarium (Schumach.) P. Roberts, 1999
• Achroomyces henricii P. Roberts, 1997
• Achroomyces insignis Hauerslev, 1993
• Achroomyces lumbricifer P. Roberts, 2001
• Achroomyces microsporus (McNabb) Wojewoda, 1977 accepted as Cystobasidium sebaceum G.W. Martin, 1939
• Achroomyces micrus (Bourdot & Galzin) Wojewoda, 1977
• Achroomyces pachysterigmata P. Roberts, 1997
• Achroomyces peniophorae (Bourdot & Galzin) Wojewoda, 1977 accepted as Colacogloea peniophorae (Bourdot & Galzin) Oberw., R. Bauer & Bandoni, 1991
• Achroomyces pubescens Riess, 1853 accepted as Myxosporium pubescens (Riess) Sacc., 1892