On the way out I came across what looked to me like half a dozen brackets of the Blushing Bracket, Daedolopsis confragosa, on a fallen Goat Willow log by the bank of the lake at TQ7058260442. Growing on willow certainly fits, it is supposed to be mainly saprophytic and to cause a white rot on willows in particular, and there was a good maze gill pattern on the underside, rather more developed than the descriptions suggested. Other trees it reputedly infects include birch, alder and beech.
The bracket is tough (I had great difficulty removing one from the trunk) and is described either as kidney-shaped or semi-circular. Other features included the rough surface in the middle of the upper side, the light brown zoning towards the outer parts of the upper side, with a thin contrasting whitish rim, at the relatively sharp edge. I didn't notice any purpling on the top surface when collected, but it was very much there.
Apparently the fruiting body has occasionally been used in ornamental paper making.
On the return towards the car park by the Ham Hill works, it seems that the tree surgeons (?) must have taken to the water to do their coppicing!
A little further along, there were two clumps of plants that could have been Japanese Knotweed, Fallopia japonica.
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