Donkia pulcherrimus (Climacodon pulcherrimus) 

Donkia pulcherrimus (Berk. & M.A. Curtis) Pilat 1936

Donkia (Climacodon) pucherrimus is a toothed polypore with a matted downy white to pale tan or orange cap. It is an annual that fruites in summer, mostly on dead hardwoods. White rotter with white spores.

This is in the Meruliaceae family of the Polyporales order.