Abstract
A brief account of fungi associated with kauri (Agathis australis) in New Zealand is followed by an annotated listing of all fungi known to grow on living or dead parts of this endemic tree. Records have been gleaned mainly from the New Zealand Fungal Herbarium (PDD), Herbarium of Forest Research (NZFRI(M)), and the literature. The fungi include few pathogens, mainly Phytophthora spp., and few agarics, as Agathis does not form ectomycorrhizae. Most fungi associated with A. australis are saprobes found on dead and fallen wood and litter. A total of 189 named species of fungi and 75 species identified only to genus, distributed within 199 genera, have been recorded. Many of the fungi are commonly found on other plant substrata within New Zealand, or elsewhere. Nineteen species have been described with A. australis as the type substratum. These species are saprobes and, apart from the Australasian endemic, Heterobasidion araucariae, all are currently considered to be endemic to New Zealand. Of these, most (12 species) are restricted to A. australis, with only 7 species known on wood or litter of other plants.
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