Coltricia montagnei (previously Coltricia montagnei var greenei)  (2 Photos and Description) 

Coltricia montagnei var greenei0607

Uncommon hairy brown, rust-brown or yellow-brown, circular, tough, thickish polypore with a sturdy brownish stem that grows under hardwoods and sometimes conifers. Most unusual is the development on the hymenium of pores that can appear to be concentrically arranged. Spore print is light brown. Annual.

Coltricia montagnei3842

Coltricia montagnei (previously Coltricia montagnei var greenei)