Preface. The mycorrhizal association -- just one of many nutrient acquiring specializations in natural ecosystems; J.S. Pate. The contributions of mycorrhizal fungi to the determination of plant community structure; R. Francis, D.J. Read. An economic approach to evaluate the role of mycorrhizas in managed ecosystems; M. Miller, T. McGonigle, H. Addy. Consideration of the taxonomy and biodiversity of Australian ectomycorrhizal fungi; M.A. Castellano, N.L. Bougher. Levels of diversity in endomycorrhizal fungi (Glomales, Zygomycetes) and their role in defining taxonomic and non-taxonomic groups; J.B. Morton, S.P. Bentivenga. The ecology of ectomycorrhiza formation and functioning; G.D. Bowen. An ecological view of the formation of VA mycorrhizas; L.K. Abbott, C. Gazey. Comparative structure of vesicular-arbuscular mycorrhizas and ectomycorrhizas; R.L. Peterson, P. Bonfante. Nutrient uptake in mycorrhizal symbiosis; H. Marschner, B. Dell. Nutrient transport in mycorrhizas: structure, physiology and consequences for efficiency of the symbiosis; S.E. Smith, V. Gianinazzi-Pearson, R. Koide, J.W.G. Cairney. Possible role of soil microorganisms in aggregation in soils; J.M. Tisdall. Interactions between mycorrhizal fungi and other soil organisms; A.H. Fitter, J. Garbaye. The functioning of ectomycorrhizal fungi in the field: linkages in space and time; M.P. Amaranthus, D.A. Perry. Research approaches to study the functioning of vesicular-arbuscular mycorrhizas in the field; I. Jakobsen. The screening and selection of inoculant arbuscular-mycorrhizal and ectomycorrhizal fungi; J.C. Dodd, B.D. Thomson. Genetics of ectomycorrhizal fungi: progress and prospects; F. Martin, I.C. Tommerup, D. Tagu. Genetic manipulation in vesicular-arbuscular mycorrhizal fungi; Y. Piche, L. Simon, A. Seguin. Host genotype and the formation and function of VA mycorrhizae; J.H. Graham, D.M. Eissenstat. What is the potential for management of vesicular-arbuscular mycorrhizae in horticulture? D.C.N. Chang. What is the potential for management of mycorrhizas in agriculture? J.P. Thompson. The potential for management of ectomycorrhiza in forestry; T.S. Grove, N. Malajczuk. Management of mycorrhizas in revegetation; D.A. Jasper. Issues concerning the production and use of inocula of ectomycorrhizal fungi in increasing the economic productivity of plantations; C. Kuek. Production of inoculum and inoculation with arbuscular mycorrhizal fungi; D.M. Sylvia, A.G. Jarstfer.