1: Some new and noteworthy corticioid fungi (Basidiomycotina, Aphyllophorales)from Japan. K. Hjortstam & L. Ryvarden 82: Tropical species of Mycoaciella (Basidiomycotina, Aphyllophorales)K. Hjortstam, & L. Ryvarden 143: A reevalution of Nodotia Hjortstam (Corticioid fungi, Basidiomycotina, Aphyllophorales) K. Hjortstam & L.Ryvarden 174: Some new genera and species of corticioid fungi (Basidiomycotina, Aphyllophorales) from tropical areas. K.Hjortstam & L. Ryvarden 205: Poroid fungi (Basidiomycota) of the Atlantic rain forest in Northeast Brazil. T. Gibertoni, L. Ryvarden & M. A. Q. Cavalcanti 336: Studies in neotropical polypores 18. New species (Basidiomycota) from Brazil. T. Gibertoni, L. Ryvarden & M. A. Q. Cavalcanti 447: Studies in neotropical polypores 19. Two wood-inhabiting Amauroderma species, L. Ryvarden 578: Studies in neotropical polypores 20. Some new polyporesfrom the Amazonas region, L. Ryvarden 629: Studies in neotropical polypores 21. New and interesting species from Venezuela. L. Ryvarden & T. Iturriaga 6810: Porostereum vibrans, L. Ryvarden 7611: Two new Tyromyces species from Ethiopia, A. Bitew & L. Ryvarden 8012: Trametes africana L. Ryvarden 83 Nomenclaturial novelties proposed in this volume: New genera:Lyoathelia Hjortstam & RyvardenGlobuliciopsis Hjortstam & RyvardenParvodontia Hjortstam & Ryvarden New speciesDuportella jordaensis Hjortstam & RyvardenGlobuliciopsis fuegiana Hjortstam & RyvardenHyphodontia pruniacea Hjortstam & RyvardenMycoacia rubiginosa Hjortstam & Ryvarden Parvodontia luteocystidia Hjortstam & RyvardenPhaerochaete infuscata Hjortstam & RyvardenAntrodiella mollis Gibertoni & RyvardenDiplomitoporus cystidiatus Gibertoni & RyvardenNavisporus terrestris Gibertoni & RyvardenPhellinus macrosporus Gibertoni & RyvardenPhellinus neocallimorphus Gibertoni & RyvardenAmauroderma africana RyvardenAmauroderma andina RyvardenCeriporiopsis vinosa RyvardenGrifola amazonica RyvardenOxyporus neotropicus RyvardenCeriporiopsis hydnoides Ryvarden & IturriagaPolyporus nigrovelutinus Ryvarden & IturriagaTyromyces ethiopicus Bitew & RyvardenTyromyces cinereobrunneus Bitew & Ryvarden New combinations:Lyoathelia laxa (Burt) Hjortstam & RyvardenMycoaciella badia (Pat.) Hjortstam & RyvardenNodotia gomezii (Lopez & Wright) Hjortstam & RyvardenNodotia lyndoniae (D. A. Reid) Hjortstam & RyvardenPorostereum vibrans (Berk. & W. A. Curtis) Ryvarden