Readers will perhaps be surprised to find a volume about fungi within a handbook of vegetation science. Although fungi traditionally feature in textbooks on botany, at least since Whittaker (1969), they have mostly been categorised as an independent kingdom of organisms or, in contrast to the animal and plant kingdom, as probionta together with algae and protozoa. More relevant for ecology than the systematic separation of fungi from plants is the different lifestyle of fungi which, in contrast to most plants, live as parasites, saprophytes or in symbiosis. Theoretical factors aside, there...