Yellowing Curtain Crust (Stereum subtomentosum)

Stereum subtomentosum, also known as the Yellow Curtain Crust or Yellowing Curtain Crust, is a species of fungus. It typically grows in dense clusters of overlapping brackets. The smooth undersurface stains yellow when bruised and is commonly found on beech, oak or sycamore trees, but can also grow on a variety of other broadleaved tree species.

Spore Print

Season

J

F

M

A

M

J

A

S

O

N

D

Native

Distribution

Widespread, especially in south-east

Habitat

On fallen and rotting wood of broadleaved trees

Associates

Acer, Fagus, Quercus

Fruiting Body

Often fused together in large groups, wavy with a concentrically-zoned upper surface. The smooth, tough, leathery underside has no pores and bruises yellow.