Poronidulus conchifer (Trametes conchifer) (Schwein.) Murrill
A cup-shaped polypore that grows from dead branches of hardwoods, especially elm. As it matures, it develops a thin cap that resembles a small Trametes versicolor with concentric furrowed zones of brown and white. The cup may eventually be engulfed in the process. The pore-surface is thin and smooth and whitish becoming pale yellowish with age. Spore print is white. It is a white rotter. It is in the Polyporaceae family of the Polyporales order.