Yellowing curtain crust.
Beech and oak.
A wide variety of broadleaved tree species.
Found across the entire structure of the tree including on fallen trees and tree parts.
Annual . Tough but flexible. Individually small but occurring usually in very busy clusters of overlapping tiers of brackets. Upper surface sometimes hairy and concentrically zoned with whites, greys, greens, browns, and beiges. Pore surface smooth and pale and bruises yellow when bruised or scratched with a blade. Varied appearance and morphology.
Considered saprotrophic. Attributes to a white rot of the wood substrate. Indicative of dysfunctional areas on living trees.