Dryad’s saddle (Polyporous squamosus)
Common host(s) Many broadleaves, particularly sycamore. Also beech, ash, lime, elm. Not conifers. Colonisation strategy Mainly enters via branch wounds Symptoms Annual distinctive fawn, yellow, pale brown fruiting bodies with darker brown scales on top. Creamy white undersides. Large, fan-shaped or semi-circular brackets with a short stem. Type of rot White rot of sapwood which often causes localised cavities. Part(s) of tree affected Usually in crown, particularly at unions, but will infest recent stumps and trunk if there is an entry point. Common at old wounds where branches removed, and in splits/cracks at co-dominant stems. Significance Failure of branches and unions is common.
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