Beech, horse chestnut, sycamore.
Hornbeam, maple, oak, plane, whitebeam.
Found fruiting at and around the base of the tree – sometimes emerging from between buttresses and appressed to the butt.
Annual. Soft and fleshy. Develops quickly into a frond-like mass. Begins as a yellowwhite mass. Matures to a tan brown to dark brown upper surface with an off-white pore layer beneath. Fronds bruise black to the touch. White spore. Flesh off-white. In senescence, the fruiting body generally hardens (if exposed) and turns a charcoal black – sometimes with red-brown banding on the fronds. In wet settings, fruiting bodies tend to disintegrate.
Able to act as a parasite on living trees. Attributed generally to a white rot of the wood but can be attributed also to a soft rot. Can signify locations of root damage following trenching works, construction damage, or other type of disturbance. Decays structural roots and the butt. Attributed to the windthrow of trees. Attributed to crown decline, in some instances – can highlight physiological dysfunction. Trees with targets may need their structural stability tested.